Upstaff Developer Profile Directory

All vetted software engineers you need to build AI, Web3, and data Products.

  • Dedicated Full-time commitment for long-term or Time& Material for shorter or ongoing support
  • Europe, Israel, LatAm, United States, Asia geography coverage
  • Remote and hybrid engagement
  • Trial period, no termination fees or hidden costs for transparent and risk-free onboarding.
FDD
JavaScript
React Native
Salesforce AppExchange
SOQL
Visualforce
TDD
RESTful API
UI/UX Design
...

Seasoned Mobile App Developer with over a decade of experience, specializing in UI/UX design, native mobile app development, and AI-driven applications. B.Tech in IT from Delhi Technical University and possesses significant freelance success with 10,000+ hours on Upwork. Entrepreneurial background includes co-founding two startups, with a notable exit from a peer-to-peer lending platform. Strong technical proficiencies in JavaScript, React Native, and web development with certification in Full Stack Web Development. Adept in enhancing product value through integration of advanced features like 3D animations and Bluetooth device connectivity. Demonstrated expertise in SDLC and modern development practices, catering to a diverse clientele with over 30 mobile app projects delivered.

Show more
Seniority Expert (10+ years)
Python 3yr.
Django REST framework 3yr.
AWS
Docker
Next.js 3yr.
Node.js 3yr.
React 3yr.
C/C++/C#
FastAPI
Redux
Kibana
MongoDB
PostgreSQL
Redis
Azure
DigitalOcean
Bash
Celery
RabbitMQ
Kubernetes
VMWare ESXi
GraphQL
Stripe
Twilio
Jenkins
Linux
Logstash
Prometheus
Nginx
WebSockets
OpenStack
...

An experienced Full Stack Developer with a strong background in Python, Django, and microservices. With 3+ years of industry experience, the engineer has a proven track record of designing, developing, and deploying scalable web applications across various platforms. Expertise includes backend development, cloud platform integrations with AWS and Azure, and containerization with Docker. The candidate has a robust engineering education with a BSc in Electrical Engineering and an MS in Cyber Security, reinforcing a solid foundation in software development and security. Key achievements include successfully deploying Jenkins for CI/CD, building real-time communication applications using Django Channels and Websockets, and optimizing cloud infrastructure for performance and reliability. This profile boasts advanced knowledge in CI/CD pipelines, Kubernetes orchestration, full-text search integration using Elasticsearch, and payment gateway integrations.

Show more
Seniority Middle (3-5 years)
Location Pakistan
Python 8yr.
AWS
R 1yr.
AI
AWS SageMaker
AWS SageMaker (Amazon SageMaker)
BERT
GPT
Keras
Kubeflow
Mlflow
NumPy
OpenCV
PyTorch
Spacy
TensorFlow
C++
Apache Spark
Beautiful Soup
NLTK
Pandas
PySpark
Apache Airflow
AWS Athena
ML
Power BI
AWS ElasticSearch
AWS Redshift
Clickhouse
SQL
AWS EC2
AWS ECR
AWS EMR
AWS S3
AWS Timestream (Amazon Time Series Database)
Apache HTTP Server
API
OpenAPI
CI/CD
Eclipse
Grafana
Kafka
MQQT
Kubernetes
ArcGIS
Data Processing
Guroby
ONNX
Open Street Map
Query
Rasa NLU
...

- Senior Python/ML Engineer with 10+ years in IT and 8+ years of professional Python experience; - Experienced in API and backend development with Python, data processing using Pandas/NumPy, and automation scripting; - Deep SQL expertise, including query optimization and database operations; - Experience with Apache Airflow, Apache Kafka, and Apache Spark/PySpark for data processing and workflow orchestration; - Strong Skills in ML/NLP frameworks such as TensorFlow, PyTorch, BERT, NLTK, and spaCy; - Extensive AWS experience (S3, Athena, EMR, Redshift, SageMaker) and Kubernetes for scalable deployments; - Built and deployed end-to-end ML pipelines and integrated AI solutions into business workflows; - Leadership as an ML engineering team lead.

Show more
Seniority Senior (5-10 years)
Location Poland
React
C#
.NET
C
C++
JavaScript
Objective Pascal
TypeScript
ADO.NET
ASP.NET
ASP.NET Core Framework
ASP.NET MVC Pattern
ASP.NET Web API
Entity Framework
LINQ
.Net WCF
SignalR
WPF
Ajax
Bootstrap
CSS
CSS3
HTML
HTML5
jQuery
NHibernate
Database Design
Microsoft SQL Server
MySQL
Oracle Database
ORM
PL/SQL
relational databases
SQL
SQL Server Management Studio
Azure
Azure DevOps
Azure Service Bus
Azure Services
Azure Storage
Healthcare
retail
RESTful API
Web API
Winforms
Blazor
Internet Information Services (IIS)
Microsoft Visual Studio Code
ReSharper
MVC
NUnit
Postman
TortoiseGit
VPN
WebRTC
ASP.NET SignalR
Azure Database
Backend
Business logic
Core
database
DB
Desktop
Enterprise
MEF
MS
MSBuild
Oracle Database Server
Performance Tuning
Prism
Relational
Responsive
UI
Visual Studio 2022
Web Forms
WinApi
XML/JSON
...

- Experienced Full-Stack Software Developer with 14+ years in commercial IT, with deep expertise in C#/.NET for server-side solutions - Extensive hands-on experience in modern frontend development using JavaScript, TypeScript, and frameworks like React. - Proven ability to engineer scalable architectures, design and implement efficient RESTful APIs, real-time communication layers (SignalR, WebRTC), and robust business logic for complex enterprise systems. - Advanced in building responsive, maintainable client-side interfaces (SPA/SPA-PWA) and integrating UI with backend services using modern web standards (HTML5, CSS3, Bootstrap). - Strong background in relational database design and performance tuning (MS SQL Server, Oracle, MySQL), ORM frameworks (Entity Framework, NHibernate), and cloud integration (Azure). - Track record of delivering high-quality, maintainable code in dynamic domains including Media & Entertainment, Manufacturing, Healthcare, Energy, Industrial Automation, and Retail. - Analytical, proactive, and collaborative — always driving for maximum business value and technical excellence on both frontend and backend.

Show more
Seniority Senior (5-10 years)
Location Lviv, Ukraine
C++ 15yr.
Delphi
SQL
...

Software engineer with over 15 years of experience in Windows desktop application development, specializing in scientific software and business solutions. Core technical competencies include advanced knowledge in C++, Delphi, and Python, with a strong background in scientific research and programming within academic and commercial sectors. Proven track record in developing complex scientific software for gamma spectrometry analysis and environmental radiation monitoring. Demonstrated ability to architect and maintain comprehensive POS systems for retail management. Educational background includes a Master's degree in Physics, emphasizing nuclear and particle physics, which underpins a solid understanding of scientific computational requirements. Commitment to professional growth is evidenced by continuous freelance work and publications in scientific journals.

Show more
Seniority Expert (10+ years)
Smart Contract 8yr.
Blockchain 6yr.
Rust 5yr.
Solidity 5yr.
Go
Java
Kotlin
PHP
Python
TypeScript
Angular
Express
Node.js
React
CSS
HTML
Material UI
Styled components
Django REST framework
Flask
Laravel
React Native
Ruby on Rails
MongoDB
AWS
Azure
Anchor
Cryptography
DeFi
DEX
Hardhat
Solana
Substrate
Truffle
API
GraphQL
CI/CD
Cypress
Jest
Mocha
Docker
Kubernetes
FDD
Figma
Git
HAProxy
Nginx
...

Software engineer with a Bachelor’s in Computer Science and 8 years of experience specializes in blockchain development, smart contracts, and DApps, mainly in Solidity and Rust. Demonstrated expertise in Ethereum and Solana ecosystems with significant projects such as a fully-featured NFT marketplace and the first multichain swap protocol. Excelled in developing secure, scalable solutions with 99% test coverage in Rust, contributing to the advancement of decentralized protocols. Adept in various technologies including Go, Move, Web3, DeFi, and smart contract auditing, positioning as a valuable asset for blockchain-centric roles.

Show more
Seniority Senior (5-10 years)
Location Zagreb, Croatia
WCAG
Quality Assurance
Business Analysis
Google Docs
Accessibility
UI/UX
Usability tests
...

This engineer brings a robust background in web accessibility and compliance, with a strong focus on creating inclusive and user-friendly digital products. Key highlights include proficiency in conducting comprehensive accessibility audits to ensure WCAG 2.1 AA and Section 508 compliance, as well as substantial hands-on experience managing the full defect lifecycle for accessibility issues. Beyond technical skills, this candidate shows a keen ability to drive organizational change through the creation of end-to-end accessibility processes, evidenced by the successful remediation of thousands of accessibility defects. This profile stands out for a combination of technical expertise within the web compliance domain, a proven track record of leading accessibility initiatives, and a thorough understanding of the accessibility requirements that shape exceptional UI/UX design.

Show more
Seniority Senior (5-10 years)
Location Kissimmee, United States
FDD
Business Analysis
Webflow
JavaScript
CSS
HTML
jQuery
SQL
Accessibility
Adobe Photoshop
UML
WordPress
...

Software engineer with over 10 years of experience, specializing in web accessibility and backend development. Holds professional working proficiency in English and native level Ukrainian, with understanding of Polish and basic German. Holds Deque University certifications, showcasing depth in web accessibility knowledge. Successful track record in leading the web accessibility audit & design team and founding Inclusive IT, a company dedicated to testing websites for WCAG 2.1 standards. Technical contributions include valid cross-browser HTML/CSS coding. Experience also includes managing inclusive education projects and developing software solutions with C++, Qt, and Python/Django.

Show more
Seniority Expert (10+ years)
Location Lviv, Ukraine
RESTful API
JavaScript
TypeScript
HTML
AWS Cloudformation
AWS IAM
Azure Blob Storage
Azure Key Vault
API Callouts
JWT
Excel
Microsoft Visio
Product Roadmaps
SSO
User Stories
Product Design
Product development
Product launch
Product Manager
...

Seasoned Product Manager and former Research Staff with extensive IT experience, specializing in accessibility and adept in modern programming languages and tools. Notable for leading the development of assistive technology products and contributing to inclusive technology initiatives. Proven experience in API optimization, problem-solving in server-client communication, and enhancing application security using Azure Key Vault. Strong educational foundation with a Bachelor of Engineering in Computer Science and an MBA in Systems. Recognized for technical leadership, strategic project management, and analytical prowess in high-stakes environments.

Show more
Seniority Expert (10+ years)
Location Hyderabad, India
.NET
React
C#
F#
JavaScript
Python
LLM
Akka Streams
Angular
jQuery
ASP.NET
ASP.NET MVC Pattern
Entity Framework
LINQ
.NET Core
.NET Framework
.Net WCF
WPF
Bootstrap
CSS
DartSass
HTML
HTML5
XML
Immutable.js
Redux
JSON
Notifications
Microsoft SQL Server
MySQL
RavenDB
SQL
SQL Server Management Studio
AWS
Amazon RDS
AWS API Gateway
AWS Backup
AWS CloudWatch
AWS CodePipeline
AWS Lambda
AWS S3
Blockchain
Healthcare
Alchemy
Etherscan
ETH (Ethereum blockchain)
Tokens
API
Swagger
Telegram API
Web API
Automated testing
Cybersecurity
Data Security
Debugging
NUnit
Postman
xunit
CI/CD
Core Data
Docker
Storage
Functional Programming
microservices architecture
serverless
SOLID
Git
SVN
Internet Information Services (IIS)
UI/UX
Backend
cisco
database
Data Management
HR
Linux Pentesting Tools
Logging
Microsoft Azure
MS
Provider
Razor Pages
Software Development
UI
...

- 9+ years of experience as a full-stack developer with a focus on .NET technologies. - Expertise in C#, .NET Framework, .NET Core, and Entity Framework, with a proven ability to design and implement robust, scalable solutions. - Strong front-end development skills using React, Angular, JavaScript, and jQuery, and proficient in database management with MS SQL Server. - Developed a cryptocurrency detection and analysis system using F# and functional programming principles to identify and filter scam tokens in real-time. - Extensive experience with AWS services (Lambda, RDS, S3, API Gateway, CloudWatch) to architect and deploy serverless, cloud-native applications. - Hands-on experience integrating with a variety of third-party APIs, including Etherscan, Copart, and AWS. - Skilled in all phases of the software development lifecycle, including project planning, system design, feature development, and maintenance. - Bachelor's Degree in Cybersecurity with a focus on secure development practices.

Show more
Seniority Senior (5-10 years)
Location Ukraine
.NET
Angular
React
C#
JavaScript
TypeScript
ASP.NET
ASP.NET Core Framework
ASP.NET MVC Pattern
Entity Framework
LINQ
.NET Core
WPF
CSS
HTML
HTML5
Notifications
RxJs
Salesforce
Dashboards
AWS DynamoDB
Cosmos DB
Database Design
Microsoft SQL Server
Redis
SQL
AWS
Azure
Amazon RDS
AWS API Gateway
AWS CloudWatch
AWS CodePipeline
AWS EC2
AWS Lambda
AWS S3
Azure Build Pipeline
Azure DevOps
Azure infrastructure
Azure Service Bus
Azure VM
Fintech
Agile
microservices
microservices architecture
MVC
SOLID
SOLID principles
API
RESTful API
Winforms
Authentication
QA
Security
Unit Testing
CI/CD
DevOps
Docker
Kubernetes
Storage
Github Actions
Grafana
Prometheus
RabbitMQ
Route
Routing
UI/UX
Webflow
Visual Studio
Application Insights
App Service
Backend
Caching
Dashboard
database
Data Management
Diagnostics
Ef
LB
Load Balancer
MS
Open Banking
Payment
Performance Optimization
Predictive Analytics
Query
RDS
Reactive
Release Pipelines
Responsive
Responsive UI
SQL databases
test coverage
Web Development
website
...

- Software engineer with over 8 years of full-stack web development experience, showcasing a solid background in advanced technologies including C#, .NET (Core), ASP.NET, Entity Framework, Angular, React and Azure. - Has successfully developed and implemented several complex applications across various domains, including logistics, government assistance, fintech, and corporate communications. - Track record includes initiating a logistic company's application that strategically optimizes routing and delivery tracking and spearheading the development of a payment system gateway integrating multiple banks. - Acknowledged for a technical breadth encompassing complete project lifecycle expertise from database design to cloud infrastructure configuration and a commitment to quality through extensive unit testing and code coverage.

Show more
Seniority Senior (5-10 years)
Location Kyiv, Ukraine
WCAG
Usability tests
Azure
SLDS
ARIA
API testing
Lighthouse
GRASP
TalkBack
VoIP
ACR
axe-core
JAWS
NVDA
VPATs
WAVE
...

- Accessibility SME with DHS Trusted Tester and NVDA certifications and an IAAP CPWA credential, possessing over a decade of accessibility consulting experience. - Deep expertise in WCAG, Section 508, and ADA compliance, as well as in utilizing and testing with major assistive technologies like NVDA, JAWS, VoiceOver, and TalkBack. - Extensive background in developing and implementing accessibility standards, including Microsoft Accessibility Standards (MAS) and design systems for inclusive user experiences. - Proficient in web, mobile, and desktop application testing across various platforms (iOS, Android, Windows, macOS) and in leveraging assistive technologies for accessibility testing. - Proficient in front-end technologies including ARIA, HTML, CSS, JavaScript, and skilled in conducting both manual and automated testing with tools such as axe, Lighthouse, WAVE. - Holds a B.A. in Home Economics with an A.S. in Computer Science, reflecting a strong foundation in both technology and systematic problem-solving.

Show more
Seniority Expert (10+ years)
Location United States
Python
MatLab
TensorFlow
PyTorch
Dataspaces
OPA
C++
JavaScript
SPARQL
Flower
LLM
NLP
OpenMined
JSON
JSON-LD
Prefect
XML
Apache Airflow
MapReduce
MongoDB
PostgreSQL
Snowflake
SQL
AWS
Azure
GCP
AWS EventBridge
AWS FSx
AWS KMS
AWS PrivateLink
AWS Security Groups
AWS Step Functions
Argo workflows
Bash
BitBucket
Github Actions
GitLab
GNU
Linux
macOS
Windows
HTTP
IP Stack
TCP
Web API
EA
Erwin
Generative AI
knowledge graphs
PDE
Sparx
Wolfram Mathematica
Zero Knowledge
Zero-Trust Metadata
...

- Developer and Data Engineer with 10+ years of professional experience - Knowledge of a wide range of programming languages, technologies and platforms, incl Python, JavaScript, C/C++, MATLAB; - Extensive experience with designing and academic analysis of AI/ML algorithms, data analytics, mathematical optimization, modern statistical and stochastic models, robotics; - Determining and analyzing business requirements, communicating with clients and architecting software product; - Experience with cutting edge Semiconductor Engineering; - Solid experience in engineering and design of robust and efficient software products; - Track record of performing as a member of large-scale distributed engineering teams; - Strong knowledge of OOP/OOA/OOD, database modeling; - Proficient in presenting and writing reports and documentation; - Fluent English; - Upper-Intermediate German and Dutch.

Show more
Seniority Senior (5-10 years)
Location Netherlands
Delphi 25yr.
SQL
Visual Basic
Pascal
jQuery
Crystal Reports
Power BI
Dbase
FireBird
Microsoft SQL Server
MySQL
PostgreSQL
SQLite
Allure Report
BDD
Excel
Sage ERP (Sage 300)
DB
InterBase
...

Software engineer with over 25 years of development experience, possessing extensive expertise in Delphi (VCL/FMX) and database management across various sectors. Notable for implementing performance-focused custom applications, this engineer's technical proficiency also spans C#, Visual Basic, SQL, and multiple database systems. They have a strong track record in system administration and IT support, having worked with reporting tools like Crystal Reports. Holds a Diploma in Computer Program from BIG SERVICE, showcasing a solid foundation in computer science.

Show more
Seniority Expert (10+ years)
Location Antananarivo, Madagascar
AWS 5yr.
TypeScript 5yr.
Node.js 5yr.
AWS Lambda 5yr.
serverless 5yr.
...

Accomplished Cloud Developer & DevOps Engineer with over 5 years of experience specializing in AWS services and serverless technology. Proficient in automating and optimizing back-end systems using TypeScript, Node.js, and cloud-native platforms, with a record of reducing execution time and costs in AWS environments. Extensive knowledge of infrastructure-as-code and CI/CD tools, including Terraform and GitHub Actions. Bachelor in Computer Science with a strong background in designing fault-tolerant architectures, asynchronous messaging patterns, and implementing DevOps practices to enhance software delivery. Holds multiple certifications including AWS Certified Solutions Architect - Associate and AWS Certified Security - Specialty.

Show more
Seniority Senior (5-10 years)
Location Karachi, Pakistan
Solidity 5yr.
Java 5yr.
Solana 2yr.
JavaScript 3yr.
TypeScript 3yr.
Node.js 3yr.
Python
EJB
Java EE
Java Server Pages (JSP)
Java Servlets
JDBC
JMS
JSF
JSTL
Lombok
MapStruct
Spring Cloud
Spring Data
Spring Security
Spring web
Ethers.js
Web3.js
Hibernate
Spring
Remix
Primefaces
Firebase
Flyway
Liquibase
MongoDB
MySQL
PostgreSQL
Redis
Supabase
AWS EC2
AWS Lambda
AWS S3
Anchor
Arbitrum
Brownie
EOS
ERC-1155
ERC-20
ERC-721
ETH (Ethereum blockchain)
Foundry
Hardhat
MetaMask
OpenZeppelin
Polygon
Sushiswap
Apache ActiveMQ
Apache Maven
JUnit
Mockito
BitBucket
Git
GitLab
Docker
Docker Compose
Kubernetes
Gradle
Jenkins
TeamCity
Jira
Swagger
Apache Kafka
AWS Gateway
Boot
Confluence
EIP712
Slither
Solhint
Testcontainers
Transparent proxy
Truffle
UUPS proxy
...

- 7+ years of experience building scalable Web3 applications and DeFi platforms with Solidity, Rust, and Java in Blockchain, DeFi, NFT Tokenization, Fin-Tech domains - Strong expertise in smart contract development across Ethereum, Polygon, Solana, and Hedera, using ERC standards, Anchor, and Foundry - Designed and optimized zero-knowledge circuits (ZKPs) and decentralized identity systems (DID) for privacy-preserving applications - Integrated oracle networks (Chainlink, Pyth) and implemented advanced DeFi mechanics: yield farming, auto-compounding, AMMs, and on-chain governance - Developed secure and gas-efficient smart contracts using EIP-712, proxy patterns, and off-chain signature schemes - Built robust backend and API layers (Node.js, Java, GraphQL) with optimized database performance in PostgreSQL and MongoDB - Delivered full-stack dApps with seamless wallet integration (MetaMask, WalletConnect, HashPack) and deployed them on Vercel / AWS - Contributed to CI/CD, testing, and code quality using Hardhat, Slither, TestContainers, Jenkins, and GitHub Actions

Show more
Seniority Senior (5-10 years)
Location Warsaw, Poland
Solidity 4yr.
Solana 1yr.
JavaScript
Python
Rust
TypeScript
Cargo
Ethers.js
Web3.js
React
Web3.py
Aave
Anchor
BSC
DAO
ERC-1155
ERC-20
ERC-721
Hardhat
MetaMask
OpenZeppelin
Polygon
Uniswap
Git
GitHub
Alpaca Finance
Base
DeFi Metachain
EIP-712
ERC-721A
EVM networks
Fuzz
HTML/CSS
Mythril
PancakeSwap
Pyth
RustSec
Slither
Solhint
SPL
Subgraphs
v2/v3
WAGMI
Wallets integration
Wormhole
...

- Blockchain Developer with 5 years of experience building decentralized applications (dApps) using Solidity and Rust across EVM-compatible chains (Polygon, BSC, Base) and Solana. - Proficient in frameworks such as HardHat and Anchor for developing, testing, and deploying smart contracts, with hands-on experience integrating wallets like MetaMask and working with DeFi protocols including Uniswap, Aave, and Alpaca Finance. - Experienced in implementing and customizing token standards such as ERC-20, ERC-721, ERC-721A, and ERC-1155, as well as secure signing mechanisms via EIP-712. - Skilled in smart contract auditing and fuzz testing using tools like Slither, Mythril, and RustSec, ensuring robust and secure codebases. - Adept in version control and collaboration using Git and GitHub, with a focus on maintainable and testable code. - Experienced in blockchain data indexing and integration using The Graph/Subgraphs, enabling efficient access to on-chain data across applications. - Well-versed in cross-chain development and decentralized identity (DID), contributing to secure, scalable, and user-centric Web3 ecosystems.

Show more
Seniority Senior (5-10 years)
Location Warsaw, Poland
Rust 2yr.
Solana 2yr.
JavaScript
Solidity
TypeScript
Express
Node.js
Tortoise ORM
Web3.js
MongoDB
PostgreSQL
Redis
AWS API Gateway
AWS CloudWatch
AWS Lambda
AWS S3
AWS SNS
AWS SQS
Anchor
ERC-20
ERC-721
ETH (Ethereum blockchain)
Ganache CLI
IPFS (InterPlanetary File System)
OpenZeppelin
Truffle
BitBucket
Git
GitHub
CLI
Docker
Docker Compose
Jest
ProxyContract
Slither
Solhint
SPL
Waffle
...

- Blockchain Developer with a 5-year background in financial technologies, specializing in Crypto, De-Fi, and NFT domains. - Exhibits proficiency in several programming languages, including Solidity, Rust, JavaScript, and TypeScript. - Key technical experience encompasses Ethereum, Solana, IPFS, and advanced blockchain development tools and practices. - Has experience in smart contract architecture design, blockchain integration, and secure transaction implementation across multiple projects, such as decentralized gaming platforms, NFT collections, and crypto exchanges. - Demonstrated capabilities in both backend technologies (Node.js, Express.js) and cloud infrastructures (AWS suite) - Upper-Intermediate English

Show more
Seniority Senior (5-10 years)
Location Warsaw, Poland
Markdown
JavaScript
TypeScript
CSS
HTML
Storybook
Styled components
Tailwind CSS
Express
NestJS
Next.js
Node.js
React
Vue.js
i18next
Mobx
React Native
Recoil
Redux
Webpack
Firebase
AWS
AWS CloudFront
AWS S3
Agile
microservices
MVC
REST
Scrum
SOLID
Atomic design
CI/CD
Cypress
Jest
Playwright
Docker
Kubernetes
Eslint LinkedIn API
GraphQL
Sentry
WebSockets
Apollo
axe-core
Craco
Docusaurus
husky
Lerna
Lighthouse CI
lint-staged
Local Storage
LogRocket
Monorepo
NX
Prettier
PWAs
Service Workers
Session Storage
...

- Front-end Developer with 8+ years of experience and expertise in creating scalable and high-performance web and mobile applications. - Proficient in React, Next.js, NodeJS, and Nest.js. Demonstrates strong leadership through active involvement in architecture planning, code reviews and mentoring teams. - Skilled in developing adaptive UI components, optimizing application performance and seamlessly integrating backend services using modern technologies such as JavaScript,TypeScript. - Proficient in establishing efficient CI/CD pipelines, enhancing SEO performance and employing advanced analytics tools for continuous improvement. - Passionate about delivering exceptional user experiences, driving continuous optimization and ensuring robust, scalable software solutions.

Show more
Seniority Senior (5-10 years)
Location Cherkasy, Ukraine
React 6yr.
Node.js 6yr.
Solidity 5yr.
Next.js 4yr.
Web3 5yr.
Python
Django
DeFi
Smart Contract
...

Innovative Full Stack Web Developer with 6+ years of experience building responsive web applications and 3+ years delivering decentralized applications (dApps) across EVM and non-EVM chains. Proven ability to integrate smart contracts, optimize wallet connectivity (ConnectKit, wagmi, Viem), and deploy scalable backends on AWS. Strong foundation in JavaScript/TypeScript, React, Node.js and DeFi protocols like Uniswap, Aave, and Curve. Experienced in secure, performant infrastructure design across both centralized (AWS) and decentralized (IPFS, Fleek) environments.

Show more
Seniority Senior (5-10 years)
Location Vietnam
Node.js 6yr.
React 6yr.
TypeScript 4yr.
NestJS
Firebase
MongoDB
AWS
AWS Lambda
CI/CD
REST
...

● Languages: JavaScript, HTML, CSS, SASS ● Libraries: React, Redux, React Material UI ● Unit-tests: Jest, Enzyme, React Testing Library ● Tools: Storybook, Cucumber ● Data approaches: REST API, GraphQL, Ajax ● Databases: MongoDB, MySQL ● Platforms: Node.js ● CMS: Adobe Experience Manager v6.5 ● Project systems: Webpack, GULP ● Version control: Mercurial, Git ● Protocols: HTTP, HTTPS, TCP/IP suite background ● Main OOP principles, classes and hooks approaches ● Familiarity with Docker (deployment on AWS services) ● Linux operating system (user level) ● Skills in Adobe Photoshop (for markup purposes) ● Experience in SEO optimisation and content editing

Show more
Seniority Senior (5-10 years)
Location Ukraine
Objective-C 8yr.
API 8yr.
Swift 5yr.
IOS SDK 5yr.
SwiftUI 1yr.
Storybook
Apache Spark Streaming
Azure Data Factory
RDBMS
AWS S3
Azure log analytics
Alamofire
Core Location
OAuth
RESTful API
BDD
Clean Architecture
FreeBSD
macOS
Github Actions
Jira
App Service
IOT
Pods
Wallets
...

Seasoned iOS Developer with 8.6+ years of experience in the IT industry, specializing in mobile application development using Swift and Objective-C. Well-versed in Cocoa Touch, iOS SDKs, and frameworks like AFNetworking, with hands-on experience using Pods and Git for dependency and version control.Strong academic foundation with a B.Tech from Kuppam Engineering College (JNTU), and a proven track record of delivering high-quality applications using MVC and MVVM architectures in Agile environments. Expertise includes BLE integration, QRCode/Barcode scanning, biometric authentication, memory management, and performance optimization.Successfully contributed to multiple enterprise-level apps, including Rinnai Central, Honda PSP, and VELYS Patient Path, improving user experience, reliability, and code efficiency across contract and full-time roles.

Show more
Seniority Senior (5-10 years)
Location Bengaluru, India
Python 8yr.
Django 7yr.
Django REST framework 7yr.
SQL
Jinja2 7yr.
Django Ninja 2yr.
Go
JavaScript
Solidity
TypeScript
LLM
OpenCV
CSS3
HTML5
SASS
Django ORM
Echo
Fiber
Gin
AWS ElasticSearch
PostgreSQL
AWS
DigitalOcean
GCP
Azure App Service
Django unit-tests
Unit Testing
Docker
GRPC
JWT
IPFS (InterPlanetary File System)
Jenkins
Jenkins CI
Kafka
RabbitMQ
Linux
Nginx
sendgrid
InterPlanetary File System
IT security audits
Python Django
...

Backend Software Engineer with over 8 years of experience, specializing in Python, Go, and cloud-native technologies. Expert in API development, system architecture, and integrating distributed systems within research, regulated, and blockchain fields. Proficient in Python, Go, SQL, Docker, Kubernetes, AI/ML tools, and cloud services (GCP, AWS). Has led backend development for decentralized applications, real-time monitoring, file-sharing systems, and automated SDLC focusing on security and performance. Demonstrates proficiency in DevSecOps, regulatory compliance, and modern backend frameworks.

Show more
Seniority Senior (5-10 years)
Location South Africa
Python 3yr.
JavaScript 3yr.
Django REST framework 3yr.
FastAPI
Java
TypeScript
NumPy
OpenAI
PandasAI
Beautiful Soup
Bootstrap 4
C/C++/C#
Laravel
Node.js
SQLAlchemy
SQLite
Jira
Lemlist
Selenium
Pipedrive
Python Requests Library
...

Software Engineer with 3+ years expertise in full-stack development, focusing on backend and API integrations. Proficient in Python and JavaScript, with strong experience in Django, Django REST Framework, and FastAPI. Comprehensive knowledge of relational and NoSQL databases, with advanced skills in MySQL. Demonstrable success deploying scalable web solutions on AWS with Docker and maintaining codebases with Git. Practical application of Agile/Scrum methodologies, and a proven track record of producing maintainable, well-documented code for data-driven applications, automated systems, and AI-powered tools. Holds a Bachelor's degree in Computer Science and multiple certifications, showcasing a commitment to professionalism and continuous learning in software engineering.

Show more
Seniority Middle (3-5 years)
Location Accra, Ghana
Salesforce
Java
HTML
Salesforce Apex
Visualforce
Oracle Database
SQL
Agile
Marketing cloud
PLSQL
Salesforce CLI
Salesforce.com
Salesforce CPQ
...

- IT professional with over 13+ years of overall IT experience in which over 8+ years of experience in Salesforce CRM, including work experience in many client locations and having experience with Oracle Apps of around 5 years. - Very good Banking, Financial Markets, Asset Management, and Credit Card domain knowledge. - Have been part of implementation of large projects for a leading banking and financial institution in the US, UK and EMEA. - Clear and effective communication & interpersonal skills, lead development teams both at offshore location and onsite location in the U.S, UK and EMEA. - Has good knowledge in Technical and Functional aspects of SALESFORCE.COM, on demand CRM package. - Intermediate English - Available ASAP

Show more
Seniority Senior (5-10 years)
Location India
Salesforce 4yr.
Java
JavaScript
CSS
HTML5
Hibernate
Spring
Spring Boot
Java Server Pages (JSP)
Spring Data
Spring model-view-controller (MVC) framework
Spring Security
Node.js
Salesforce Apex
Visualforce
MySQL
SQL
Apache Maven
Apache Tomcat
Atlassian Confluence
Atlassian Trello
Jira
BitBucket
Git
HTTP
Microsoft Visual Studio Code
RESTful API
...

- Over 4 years of experience in customization, migration, and API integrations within the Salesforce ecosystem. - Proficient in SQL, MySQL, and Hibernate for effective data handling and manipulation. - Demonstrated success in complex Salesforce integrations, including RESTful API and Heroku. - Skilled in team collaboration tools like Atlassian JIRA, Trello, and Confluence. - Worked across various sectors with Salesforce, emphasizing both development and data-centric tasks. - With a strong focus on achieving goals and a proven track record of success. Dedicated to working collaboratively with a team to deliver high-quality solutions. - Upper-Intermediate English

Show more
Seniority Senior (5-10 years)
Location Poland
Salesforce
Java
JavaScript
Python
Ajax
Bootstrap
CSS
HTML
HTML5
jQuery
XML
AngularJS
Apex Classes
Apex DataLoader
Apex Triggers
Force.com IDE
Salesforce Apex
SalesForce Workflow
SLDS
SOQL
SOSL
Visualforce
Java Server Pages (JSP)
JSON
NativeJS
Microsoft SQL Server
MS Access
MySQL
Oracle Database
Agile
Scrum
SDLC
SOAP
Approvals
BitBucket
Git
GitLab
TortoiseSVN
Jira
Microsoft Visual Studio Code
RESTful API
Unit Testing
Controller.js
Eclipse Oxygen
helper.js
LWC
Salesforce CLI
Test Classes
Validation Rules
...

- 5+ years of experience in application design, customization, development, support which includes experience in Salesforce CRM platform as Developer, Administrator. - Certified Salesforce Developer with 5+ years of experience in IT with experience in Salesforce.com CRM. - Thorough understanding of object-oriented programming (OOPS) concepts and extensive knowledge in implementing, customizing, and maintaining Salesforce solutions. - Extensive knowledge of Software Development Life Cycle (SDLC) by having a thorough understanding of various phases of the life cycle which includes Requirement gathering, Analysis and Design part along with Development and Testing as well. - In depth experience in Salesforce.com development in implementing Apex Classes, Visualforce, Force.com IDE, Controllers and Triggers, SOQL, SOSL and Plug-ins. - Upper-Intermediate English. - Available ASAP

Show more
Seniority Senior (5-10 years)
Location India
Salesforce
Java
JavaScript
Python
Apex Classes
Apex DataLoader
AutoRabit
BlueCanvas
Flosum
Illuminated Cloud 2.0
Lightning Web Components
Salesforce Apex
Salesforce APIs
Salesforce AppExchange
Salesforce Connect
Salesforce Custom Objects
Salesforce Dashboards
Salesforce ETL tools
Salesforce Flows
Salesforce Lightning Framework
Salesforce Process Builders
Salesforce Reports
Salesforce Sandbox development and Testing
Salesforce Triggers
Salesforce Validation Rules
Salesforce Web Services
SalesForce Workflow
SFDX
SLDS
SOQL
SOSL
Visualforce
JSON
XML
Microsoft SQL Server
MongoDB
PostgreSQL
Git
GRASP
SOAP
SOLID
IntelliJ IDEA
Microsoft Visual Studio Code
WebStorm
WSDL
Postman
RESTful API
...

- Senior Salesforce Developer with 5 years of experience. - Have hands-on experience to design and code using various Salesforce technologies. - Extensive experience with the Salesforce.com development life cycle, application design patterns, integration patterns and deployment planning. - Experienced working in cross - functional teams, identifying business requirements and supporting sales/marketing efforts. - Experience working in Agile methodology, Scrum methodology, Waterfall model and Test-driven development. - Setting up Service Cloud Console, Cases (Web to case, Email to case), Solutions, Case Assignment and CTI Integration. - Setting up Sales Cloud features, Leads (Web to lead, Email to lead), Lead Assignment, Lead custom conversion process. - Expertise in Lightning app builder (salesforce 1) and implemented a new application based on Lightning to have compatibility of the app in mobile, Tab and Desktop versions. - Experienced in analyzing business requirements, designing entity relationships diagrams and implementing them to - Salesforce standard/custom objects - Experienced in data migration, data mapping and data integration using different databases and integration tools. - Capable of rapidly learning new technologies and processes, and successfully applying them to projects and operations. - Fluent English - Available ASAP

Show more
Seniority Senior (5-10 years)
Location Ukraine
Salesforce
Salesforce Apex
JavaScript
Apex Classes
Apex Controllers
Apex DataLoader
Force.Com Explorer
Force.com IDE
Salesforce AppExchange
SalesForce Approvals
Salesforce Chatter
Salesforce Components
Salesforce Controllers
Salesforce Dashboards
Salesforce Lightning Component
Salesforce Lightning Framework
Salesforce Reports
Salesforce S-Controls
SalesForce Visualforce
SalesForce Workflow
SOQL
SOSL
Visualforce Page
CSS
DHTML
HTML
Java Server Pages (JSP)
Microsoft SQL Server
Eclipse
Service-oriented architecture (SOA)
...

- 5+ years of commercial IT experience which involves 4 years of solid Involvement in salesforce.com and Force.com. - Proficiency in Apex classes, Controllers, Visual force, Migration tool, and other programs in salesforce development toolkit. - Superior knowledge of salesforce lightning features. - Excellent understanding of SOA design principles and RDBMS technologies. - Experienced in API integration and Web services. - Good knowledge of implementation of Object-Oriented Programming concepts. - Advanced English, Intermediate French. - Available ASAP. - No vacation plans.

Show more
Seniority Senior (5-10 years)
Location Argenteuil, France
Salesforce
JavaScript
Apex DataLoader
Apex Triggers
DML
Dynamic Apex
Salesforce Apex
Salesforce Lightning Aura
SOQL
SOSL
Visualforce
Bootstrap
jQuery
XML
Composer
JSON
Dashboards
MySQL Workbench
Batch
Design patterns
SOAP
RESTful API
Bulk
Complex Validation Rules
Conga
CPQ
Flow Builder
Grid
Orchestrate
Process builder
Queueable
Reports
Scheduler interfaces
Security models
Sharing models
Workflow Rules
...

- Salesforce CPQ Developer with over 4 years in Salesforce including analysis, modeling, design, coding, testing, and implementation. - Upper-intermediate English - Available ASAP - No vacation plans

Show more
Seniority Middle (3-5 years)
Location Belarus
Salesforce
Java
JavaScript
Apex Classes
Salesforce Apex
Salesforce Aura
Salesforce Custom Objects
Salesforce Dashboards
Salesforce Lightning Web Components
Salesforce Process builder
Salesforce Reports
Salesforce Test Classes
Salesforce Testing
Salesforce Triggers
Salesforce Validation Rules
Salesforce Work Flows
SOQL
SOSL
Bootstrap
CSS
HTML
XML
SQL
Agile
Scrum
Eclipse
IntelliJ IDEA
Microsoft Visual Studio Code
Git
GitHub
Jira
...

- 2+ years of Salesforce administration or Salesforce development experience - Creation of lookup and master-detail relationships on the objects and created junction objects and various advanced fields like Pick-list, Field Dependencies, Custom Formula, Approval Process, field updates and Email generation. - Implementation of Security and Sharing rules at Object, Field and Record levels for different users in the organization. - Creation of components with Aura and Lightning Web Components, - Creation of Workflows, Processes, Flows and implementation of Triggers - Development Apex Classes, Triggers and implementation of testing with test classes. - Experience working in Agile methodology, Scrum methodology, and Test-driven development. - Intermediate English - Available 5th April - No vacation plans

Show more
Seniority Middle (3-5 years)
Location Erzurum, Turkey
Salesforce
C++
JavaScript
Python
Apex Data
Apex Web Services
DML
Force.com IDE
Salesforce Apex
Salesforce Custom Objects
Salesforce Dashboards
Salesforce Lightning Framework
Salesforce Lightning Web Pages
Salesforce Reports
SOQL
SOSL
Visualforce
CSS
HTML
XML
Django
JSON
Database Design
Microsoft SQL Server
MongoDB
MySQL
Oracle Database
SQL
Informatica
Asana
Jira
CloudElements
Mulesoft
Copado
Eclipse
Microsoft Visual Studio Code
Notepad++
Visual Studio
Design patterns
OOD
UML
Draw.io
Microsoft Visio
Git
MERN stack (MongoDB, Express, React, Node)
...

- Salesforce Certified Platform Developer with over 6+ years of IT experience, including configuration, customization, integration with external systems and lightning component development. - Leading a team of Professionals and helping the team to collectively deliver the release. - Salesforce Certified Developer involved in designing robust, scalable architectural solutions and implementation with right APEX design patterns within Salesforce governor limits. - Proficiency with Integration Services using REST and SOAP APIs. Creating Apex Classes, Batch Apex, and Apex Triggers for various functional needs building core business components in various clouds of Salesforce. - Have an implementation experience of SFDC Declarativeapproach to handle business operations like Profile, Permission Set, Validation Rule, Approval Workflows, Flow, Process Builder, and Email Templates - Experience to work with inter teams like MuleSoft facilitate them with all requirements needed from CRM, sharing the Limitations and best practices to connect with Salesforce Services. - Intermediate English. - Available ASAP

Show more
Seniority Senior (5-10 years)
Location Lahore, Pakistan
Salesforce 5yr.
Salesforce Apex 5yr.
Visualforce 5yr.
Java
JavaScript
Ajax
CSS
HTML
XML
Apex Classes
Apex Controllers
Apex DataLoader
Apex Triggers
Sales Cloud
Salesforce AppExchange
Salesforce Lightning Framework
SalesForce Workflow
SFDC
SOQL
SOSL
Visualforce Pages
JSON
Aura
Agile
SOAP
Waterfall
Ant Migration Tool
Approvals
Excel
Metadata API
RESTful API
Windows
Custom Objects
Custom Tabs
Duplicate Rules
Email Services
Force.com
Integration with web services
LWC
Process builder
Reports
Sandbox
Security Controls
...

- Experienced software engineer with 5+ years of total experience, specializing in Salesforce development; - Proficient in Salesforce technologies including Salesforce Lightning, Apex, Visualforce, and SOQL; - Skilled in designing and implementing custom objects, fields, layouts, reports, and workflows on the Salesforce platform; - Strong knowledge of web technologies such as HTML, JavaScript, and CSS; - Familiar with Agile and Waterfall methodologies for software development; - Experienced in integrating Salesforce with external applications using SOAP and REST web services; - Highly motivated, team player, and quick learner of new technologies.

Show more
Seniority Middle (3-5 years)
Location India
Salesforce 4yr.
Apex Classes 4yr.
Apex DataLoader 4yr.
Apex Triggers 4yr.
Salesforce Apex 4yr.
Salesforce Lightning Framework 4yr.
Salesforce Service Cloud 4yr.
SalesForce Workflow 4yr.
SOQL 4yr.
CSS 4yr.
HTML5 4yr.
Dashboards 4yr.
Aura 4yr.
Heroku 4yr.
Visual Studio 4yr.
Force.com Platform 4yr.
LWC 4yr.
Reports 4yr.
Salesforce Administration 4yr.
Salesforce App Builder 4yr.
Salesforce Configuration 4yr.
Salesforce Integration 4yr.
Visual Force Pages 4yr.
Approvals
Custom Objects
Package Installations
Process builder
Salesforce Platform
...

- Proficient in Salesforce CRM, with 4+ years of experience in Salesforce Development; - Strong technical and functional knowledge of SFDC CRM, including Apex classes, Triggers, Visual force, and Migration tool; - Experienced in Salesforce administration setup, including user management, security controls, data management, and customization; - Skilled in Apex Classes, Controllers, and Triggers, considering governor limits and client requirements; - Familiar with SOQL, SOSL, Batch Apex, and Schedule Apex; - Extensive experience with Salesforce Sandbox, Unit Testing, and Eclipse IDE Force.com Plug-in environment; - Proficient in data tools such as Import wizard, Export wizard, and Apex Data Loader.

Show more
Seniority Middle (3-5 years)
Location India
.NET
ASP.NET Core Framework
C
C#
C++
Go
JavaScript
Objective-C
PL
Python
Swift
TypeScript
Angular
AngularJS
Node.js
React
ASP
ASP Classic
ASP.NET
ASP.NET MVC Pattern
Visual Basic .NET
WPF
Django
Ionic
MFC
React Native
AWS ElasticSearch
Microsoft SQL Server
MongoDB
MySQL
Oracle Database
pgSQL
PL/SQL
PostgreSQL
SQL
T-SQL
AWS
MS Azure
Android
Silverlight
Azure DevOps Server (ex TFS Team Foundation Server)
Docker
Git
Mercurial
SVN
GRPC
iOS
macOS
Ubuntu
microservices
microservices architecture
RabbitMQ
TFS
Visual Studio
XCode
Windows API
Winforms
Expression studio 2-4
Multithreading
.NET Maui
WinApi
Windows ME-10
Windows ME-11
...

- 12+ years of experience in full-stack software development with a strong focus on .NET Core, C#, and Microsoft Azure ecosystem; - Built complex enterprise applications and scalable microservices architectures using ASP.NET Core, Azure Functions, Docker, RabbitMQ, and MS SQL Server; - Developed cross-platform web and mobile applications using React, React Native, and Node.js for industries including healthcare, logistics, education, social networking, and B2B platforms; - Built native apps on Windows, macOS, iOS, and Android with .NET Multi-platform App UI - Designed and integrated REST APIs and real-time messaging features for high-performance systems; - Delivered cloud-native solutions with Azure Web Apps, Azure Storage, CI/CD pipelines, and microservice orchestration; - Applied best practices in code quality, performance optimization, and agile software development; - Led architecture design, team collaboration, and technical mentorship across multiple full-cycle delivery projects; - Experienced in building customer-centric solutions, data-driven dashboards, and scalable CRM-like platforms.

Show more
Seniority Senior (5-10 years)
Location Montenegro
Python 3yr.
Django 1yr.
SQL
MongoDB 1yr.
PostgreSQL 1yr.
JavaScript
FastAPI
RDBMS
SQLAlchemy
Unit Testing
...

Software Engineer with a Master's from Sharif University of Technology, specializing in machine learning and predictive modeling, particularly in blockchain data analysis. Technical skill set includes Python, JavaScript, SQL, along with frameworks like Django and FastAPI, and tools such as Docker and Git. Proven expertise in data analysis, machine learning, and web development, with experience designing RESTful API and backend systems. Adept at leveraging modern databases like PostgreSQL, MongoDB, Redis, and implementing agile methodologies for efficient software development. Key projects demonstrate strong capabilities in data pipeline construction, machine learning model development, and creative solution engineering for complex challenges.

Show more
Seniority Junior (1-2 years)
Location Yazd, Iran
Playwright
JavaScript
Selenium Webdriver
Cypress
pytest
Java
Python
CSS
HTML
Salesforce Commerce Cloud
Microsoft SQL Server
MySQL
e-commerce
Appium
Browserstack
Chrome Developer Tool
Firebug
JMeter
Mantis
Postman
Selenium IDE
TestLink
TestPad
TFS
Zephyr
Atlassian Trello
Jira
Redmine
Azure DevOps Server (ex TFS Team Foundation Server)
BitBucket
Git
Contentful
IntelliJ IDEA
Microsoft Visual Studio Code
InVision
Jenkins
macOS
Windows
VmWare
Blue Stack
...

- Test Engineer with experience in Automation and Manual QA, 8+ years in the IT industry; - Expertise in web automation using Playwright and Cypress, Postman, PyTest; - Skills in JavaScript, TypeScript and Python; - Experience in REST API testing, performance testing, and integration with CI/CD pipelines; - Knowledge of BDD with Cucumber and working in Agile/Scrum environments; - Implemented test automation for e-commerce and large enterprise systems; - Experience with Java Selenium WebDriver Automation; - Skills in mobile application testing on iOS and Android operating system (emulators for Android and iOS, e.g., Blue Stack).

Show more
Seniority Senior (5-10 years)
Location Kharkiv, Ukraine
Java 15yr.
Java Swing
JavaFX
Hibernate
EJB
Jasperreports
JMS
MS Dynamics 365
Ruby on Rails
Flyway
PostgreSQL
relational databases
SQL
SQLite
Amazon EventBridge
Agile
Apache ActiveMQ
Apache Maven
Bash
BitBucket
Eclipse
Facebook Auth
Winforms
IBM WebSphere Application Server
JBoss
Jenkins
New Relic
Jira
APM
Protobuf
...

Software Engineer with over 15 years of experience, possessing a Bachelor's degree in Mechanical Engineering and Computer Science. Expertise includes Java, JavaFX, RESTful APIs, multithreading, and UI frameworks. Established track record in database optimization and system integration, having resolved critical memory leaks and threading issues, and refactoring database layers for increased performance. Proficient in Agile SDLC, with a successful transition from SVN to Git. Key projects include developing utility applications for certified election result dissemination and performance enhancements in complex software systems.

Show more
Seniority Expert (10+ years)
Location Conroe, United States
PHP 15yr.
Node.js 15yr.
JavaScript 15yr.
MySQL 15yr.
Project Management 15yr.
Android APIs
CSS
HTML
jQuery
XML
React
JSON
Qt/C++
Business Analysis
PostgreSQL
AWS
API
Facebook Auth
WAMP
ACD
IOT
...

Technical Manager with over 15 years of experience in the IT industry, excelling in web application development and leadership roles. Expert in PHP, Node.js, and JavaScript, with a strong background in database management using MySQL and PostgreSQL. Highly adept in IoT applications, leveraging tools like GeoServer for spatial data management. Maintains a deep understanding of the software development life cycle (SDLC), agile methodologies, and client management. Demonstrates solid technical project management skills, aligning business objectives with innovative technical strategies. Holds an MSc in IT with outstanding academic achievements, underpinned by a solid foundation in programming languages and software engineering principles.

Show more
.NET
C#
JavaScript
TypeScript
ADO.NET
ASP.NET
ASP.NET Core Framework
ASP.NET MVC Pattern
Entity Framework
.Net WCF
SignalR
WPF
Angular
jQuery
React
Vue.js
CSS
HTML
Microsoft SQL Server
MongoDB
MySQL
PostgreSQL
RDBMS
Redis
SQL Server Management Studio
Azure
Azure DevOps Server (ex TFS Team Foundation Server)
Team foundation server
DirectX
RESTful API
Web API
Winforms
Git
SVN
OData (Open Data Protocol)
Visual Studio
RabbitMQ
SOAP
VSTS
Windows
Clickonce
Hg
Microsoft XRM
MSMQ
OpenGL
WinServices
...

- .NET Software Engineer with 4 years of software development experience in different domains (FinTech, Real Estate, E-Commerce). - The biggest part of the experience is related to the .NET platform - Upper-Intermediate English - Available from 11.07.2022

Show more
Seniority Middle (3-5 years)
Location Lviv, Ukraine
.NET
MS Dynamics 365
React
Azure
C#
JavaScript
TypeScript
ADO.NET
ASP.NET MVC Pattern
Dapper
Entity Framework
.Net WCF
SignalR
t4 templates
Visual Basic .NET
WPF
Angular
jQuery
Vue.js
CSS
HTML
HTML5
XML
JSON
Azure Data Factory
Power BI
Cosmos DB
Dapper ORM
Data Lake
Microsoft SQL Server
MongoDB
MySQL
PostgreSQL
SQL Server Management Studio
SSIS
SSRS
Azure DevOps
Azure Storage
Atlassian Confluence
Jira
Azure DevOps Server (ex TFS Team Foundation Server)
IBM WebSphere Application Server
Internet Information Services (IIS)
Design patterns
Scrum
SOAP
Fiddler
MSTest
Postman
Security
Git
SVN
TortoiseSVN
MailGun
OData (Open Data Protocol)
Power Apps
ReSharper
Visual Studio
Web Services
MVP
RabbitMQ
RESTful API
Web API
Winforms
VSTS
Windows
ADO
Application Insights
App Service
AutoMapper
DevExpress
Document Core Pack
IBM Messaging Queue
Logic app
Model Driven Apps
Moq
MSDN
Subscription management
Visual Basic
Web App
...

- A Software Engineer with over 12 years of development experience in the IT industry - Specialize in the .NET platform and C# programming language for both client and server-side development; - Expertise spans across US Healthcare, EdTech, Defense and Space Manufacturing, Customer Relationship Management, Retail, Digital Media and Document Management industries. - 5+ years of experience with MS Dynamics 365 - Solid experience working with cross-application integrations. - Advanced English

Show more
Seniority Senior (5-10 years)
Location Lviv, Ukraine
Python 6yr.
SQL 6yr.
Apache Airflow
Apache Spark
AWS
Azure Data Factory 2yr.
Databricks 2yr.
AWS SageMaker
AWS SageMaker (Amazon SageMaker)
TensorFlow
FastAPI
Pandas
PySpark
Airbyte
Apache Hive
Azure Data Lake Storage
Data Analysis Expressions (DAX)
ETL
Jupyter Notebook
Looker Studio
Power BI
Sigma Compute
Superset
Tableau
Apache Hadoop
Aurora
AWS Redshift
Clickhouse
dbt
DWH
Firebase Realtime Database
HDFS
Microsoft Azure SQL Server
Microsoft SQL Server
MySQL
Oracle Database
PL/SQL
PostgreSQL
Snowflake
GCP
Amazon RDS
AWS Aurora
AWS CloudTrail
AWS CloudWatch
AWS EMR
AWS Lambda
AWS Quicksight
AWS R53
AWS S3
Azure Databricks
Azure MSSQL
Google BigQuery
Google Cloud Storage
CI/CD
Docker
Kubernetes
Github Actions
Grafana
Prometheus
Kafka
Apache Kafka
AWS Cloud9
database
DAX Studio
Google Cloud SQL
OpenMetadata
Relational
Spark EMR
Trino
Unix\Linux
...

* Experienced Data Engineer and BI Developer with 6+ years of expertise in Database Design and Business Intelligence Development. * Proficient in cloud technologies such as Amazon Web Services (AWS), Google Cloud Platform, and Microsoft Azure. * Skilled in building high-performance data integration and workflow solutions, including ETL operations for data warehousing and supporting OLAP, OLTP, and Data warehouse systems. Experience in optimizing DWH performance and automating data pipelines; * Modern data engineer skills such as data modeling, data warehousing, data lake, data governance, and data quality. * Experience with big data technologies such as Hadoop, Spark, and Kafka, and experience with data streaming and real-time data processing. * Proficiency in SQL and NoSQL databases, Snowflake, and ClickHouse * Data visualization tools such as Tableau or Power BI. * Programming languages such as Python, Java, or Scala, and understanding of machine learning concepts, with experience building and deploying machine learning models. * Experience with CI/CD, data governance, and security best practices.

Show more
Seniority Senior (5-10 years)
Location Tashkent, Uzbekistan
NVDA
Browser Stack
Zephyr
TalkBack
WCAG
CSS 5yr.
HTML 5yr.
SQL 5yr.
Cloud Functions 5yr.
API testing 5yr.
QA Automation 5yr.
Usability tests 5yr.
VmWare 5yr.
Unix 5yr.
STLC 5yr.
Test Case 5yr.
Test Planning 5yr.
Chrome Extensions
EDGE
Google Chrome
Mozilla Firefox
Opera
Pixel Perfect
Safari
Sales Force Cloud Commerce
Kibana
Azure
AMP validator
Black-box Testing
Chrome Developer Tool
TestLink
TestRail
TFS
Zeplin
Swagger
Atlassian Confluence
Jira
Axure
InVision
FortiClient VPN
VoIP
VPN
Internet Explorer
Pixel Ruler
View Horizon
Yandex Browser
...

- 7+ years in Web and Mobile QA strategies - Expertise in accessibility compliance standards such as WCAG 2.1 and WCAG 2.2 - Proficiency with assistive technologies, including screen readers (NVDA, VoiceOver, TalkBack). - Documentation and Reporting, Cross-functional Collaboration. Test Plan creation, creating test documentation for Automation - Strong analytical and problem-solving skills, proven communication skills and conflict resolution, product ownership - Highly proficient with a range of tools including Jira, Browser Stack, VMWare, and Salesforce, - Demonstrates a solid grasp of both manual and automation testing strategies and a history of optimizing functional, non-functional, and UI/UX aspects of sophisticated platforms such as trading, e-commerce, and CRM systems. - Bug’s life cycle, roles and activities in project team, positive/negative tests, smoketesting, GUI, cross-browser, compatibility, black-box, gray-box, functional, non- functional, unit testing, regression testing. - Huge experience in mobile application testing on IOS and Android operating systems. - Hands on experience using emulators for Android and IOS e.g. Blue Stack - Creation of test plans, test cases, test suite, checklists, bug reports. - Knowledge of Test Design technics. Understanding of SDLC, methodologies and the difference between types of testing.

Show more
Seniority Senior (5-10 years)
Location Ukraine
Linux 3yr.
PHP 1yr.
Python 1yr.
Expertise in C/C++ 1yr.
Docker 1yr.
JavaScript
Beautiful Soup
CSS
HTML
FastAPI
Lodash
React
PostgreSQL
SQL
SQLAlchemy
SQLite
CMake
FDD
...

Software Engineer skilled in PHP and Python for back-end development and web scraping, with experience in C++, Linux, Docker, and Git. History of developing APIs and data parsers, with expertise in server management and CMS module implementation. Holds a Software Engineering Associate Degree with focus on core computer science principles. Contributions include a C++ Tic-Tac-Toe project, showcasing proficiency in OOP and game development. Adept in multiple database systems and modern web technologies, with a strong foundation in SDLC and code refactoring.

Show more
Seniority Junior (1-2 years)
Location Ukraine
Project Management
AI
Agile
DevOps
Delivery Management
...

A seasoned software engineering leader with over two decades of global industry experience specializing in BFSI, AI-driven digital transformation, and Salesforce. Has an agile and DevOps-focused engineering background with a strong understanding of end-to-end AI workflows. Boasting a history of significant contributions in DevOps pipeline optimizations, cloud technologies, and AI model monitoring. Expertise in navigating complex project management within Agile frameworks. Proven success in leading high-impact AI transformation projects, ensuring scalability and operational excellence. Technical skills include AWS Cloud, Agile + DevOps Integration, and Salesforce, alongside proficiency in implementing Generative AI and LLM solutions.

Show more
Seniority Expert (10+ years)
JavaScript 8yr.
TypeScript 8yr.
SQL 8yr.
PHP 2yr.
Ruby 2yr.
Ext JS
NestJS
React
AWS DynamoDB
AWS ElasticSearch
MongoDB
MySQL
PostgreSQL
Redis
AWS API Gateway
AWS AppSync
AWS Codebuild
AWS CodePipeline
AWS Cognito
AWS EC2
AWS Lambda
AWS S3
AWS SES
AWS SNS
AWS SQS
Atlassian Confluence
Jira
Stripe
CD DevOps pipelines
Jenkins
BitBucket
ClickUp
Docker
Jest
Mocha
Smart Contract
Web3
WebSockets
Angular 2
CodeCommit
...

Full Stack Web Developer with 8 years of experience specializing in web technologies and scalable microservices architectures. Expertise in RESTful APIs, GraphQL, front-end and back-end frameworks, and cloud infrastructures, particularly with AWS services. Profound knowledge of programming languages including JavaScript, TypeScript, PHP, Ruby, and SQL. Proven track record in handling low to medium complexity projects throughout the full software development lifecycle. Technical skills encompass working with diverse databases, implementing CI/CD with AWS tools and Jenkins, containerization with Docker, and blockchain technologies like Web3 and smart contracts. Holds a Master's Degree in Applied Mathematics and Informatics, reflecting a solid engineering background.

Show more
Seniority Senior (5-10 years)
Location Lviv, Ukraine
Python 8yr.
Beautiful Soup 2yr.
Selenium
Scrapy
Playwright
Data Mining 7yr.
Data Scraping 7yr.
PHP 5yr.
XPATH 5yr.
Data visualization 5yr.
RDBMS 5yr.
Payment Gateways 5yr.
Project Management 5yr.
Responsive Design 5yr.
SVN 5yr.
PandasAI 4yr.
Data Analysis 4yr.
JavaScript 3yr.
TensorFlow 3yr.
NLTK 3yr.
CSS 2yr.
HTML5 2yr.
Play Framework 2yr.
Reselect 2yr.
RESTful API 2yr.
Scrum 2yr.
Vaadin 1yr.
Puppeteer 1yr.
Power BI 1yr.
Tableau 1yr.
AngularJS
React
Symfony
AWS S3
RPA
...

- 10+ years with data and web scraping, data analysis, and crawler development; - Developed 200+ web crawlers for fashion brands and 700+ crawlers for job offer aggregation including Fortune 500 companies; - Led a team of junior engineers in data crawling projects; - Managed scraping infrastructure, data parsing, and cleaning procedures using pandas and regex; - Skilled in Python, PHP, JavaScript, SQL, and tools like Scrapy, Selenium, Pandas, BeautifulSoup, TensorFlow, and Regex; - Analyzed data and built visualizations with Tableau and Power BI; - Experienced with version control (Git) and Agile/Scrum methodologies; - Used reverse engineering, XPath, CSS selectors, and AJAX calls to handle dynamic websites; - Developed software architecture and contributed to test automation; - Worked on projects involving distributed tasks with Gearman, Selenium, Puppeteer; - Stayed updated on web scraping best practices and emerging technologies.

Show more
Seniority Expert (10+ years)
Location Bulgaria
Go
Node.js
PHP
AI
C
Java
JavaScript
Python
.NET
React
AWS DynamoDB
MySQL
Redis
SqlServer
AWS Cloudformation
AWS Kinesis
AWS Lambda
AWS S3
AWS SQS
Firehose Kinesis
GitHub Copilot
...

Accomplished Software Architect and Hands-on Engineering Manager with a strong history of building, leading, and mentoring cross-functional teams in designing, developing, and deploying high-scalability, secure software solutions leveraging cloud platforms, microservices architectures, CI/CD pipelines, and performance optimization strategies. Experienced in both startup environments and well-established organizations, with expertise in architecting reliable distributed systems, implementing best practices, and driving innovation while delivering quality software.

Show more
Seniority Expert (10+ years)
Location United States
1 2 3 4 ... 30