Discover Top Developer Profiles

Our directory at Upstaff.com showcases a talented group of developers, each bringing a wealth of expertise to the table.

  • With profiles highlighting skills in IT development, AI, design, sales, marketing, admin, and customer support, our developers stand out for their rigorous vetting and diverse technical proficiencies. Ranging from seasoned experts with over a decade of experience to skilled mid-level professionals, they excel in languages like JavaScript, Python, and React, tackling complex projects with precision.
  • Hailing from various regions, including Europe, LatAm, Israel, and the United States, our developers offer a global perspective, ensuring adaptability and high-quality work across industries.

Each profile reflects a commitment to excellence, validated through thorough technical assessments and communication evaluations, making them reliable partners for any project.

JavaScript 6yr.
React 6yr.
Go
Node.js
React Native
CSS 6yr.
HTML 6yr.
Git 6yr.
Github Actions 6yr.
RESTful API 6yr.
Bootstrap 4
Material UI
Socket.io
Tailwind CSS
Crashlytics
Express
mui
MongoDB
PostgreSQL
Vercel
CircleCI
Cypress
Dapp
MetaMask
NFT
GraphQL
GRPC
microservices
...

A seasoned Full Stack Developer brings over six years of experience, specialized in JavaScript, Golang, and React Native, with profound knowledge of modern frameworks like NextJS and NestJS. Proven track record in leading projects from inception to launch, showcased through success in diverse domains such as Legal Tech, AgriTech, and Health. Demonstrates expertise in writing efficient, optimized code, backed by the ability to guide design efforts and manage installations for on-time product rollouts. Familiar with CI-CD pipelines, evident from setting up CircleCI, and skilled in complex technology ecosystems, including Microservices, Kubernetes, Docker, and AWS. Adept at full lifecycle software development practices, integrating various technologies with a focus on robust, scalable web and server solutions.

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Seniority Senior (5-10 years)
JavaScript
TypeScript
React
Angular
Express
NestJS
Node.js
Cordova
Ionic
CSS
HTML
SASS
SCSS
Mongoose
React Native
Redux
Redux-Saga
Redux-toolkit
RxJs
MongoDB
AWS
AWS Cognito
AWS Lambda
AWS S3
AWS SAM
Api Gateway
Azure DevOps Server (ex TFS Team Foundation Server)
Cypress
Jest
Git
serverless
WebStorm
...

- 8+ years of experience in software development with a focus on JavaScript, TypeScript, and full-stack engineering; - Built complex web applications using React.js, Angular, and React Native across edtech, healthtech, e-commerce, and banking projects; - Developed cross-platform interfaces, including AI-powered chatbots with Whisper and Heygen, and real-time messaging platforms; - Worked with Redux Toolkit, RxJS, Nest.js, and Express for scalable state management and backend logic; - Delivered serverless APIs using AWS Lambda, API Gateway, Cognito, and integrated MongoDB via Mongoose; - Experienced in performance optimization, refactoring, bug fixing, and CI/CD using the Serverless Framework; - Built and maintained responsive UIs with accessibility, mobile support, and data visualization features; - Participated in team-based delivery with cross-functional collaboration and code quality improvements.

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Seniority Senior (5-10 years)
Location Krakow, Poland
.NET
C
C#
C++
JavaScript
TypeScript
ADO.NET
ASP.NET MVC Pattern
ASP.NET WebForms
Entity Framework
Mono
.NET Core
.Net WCF
Ajax
Bootstrap
CSS
DHTML
DOM
HTML
jQuery
XML
Angular
AngularJS
Express
Node.js
ATL
Cordova
Ionic
MFC
NHibernate
Microsoft SQL Server
MongoDB
MySQL
Redis
AWS
AWS RDS (Amazon Relational Database Service)
AWS S3
Azure DevOps
Azure VM
Active Directory
STL
Visual Studio
Windows
Windows API
Winforms
Xamarin
AJAX Control Toolkit
COM
DirectShow
ES2
Fluent Validation
GDI
GDI+
IBM PC compatible
LINQ to SQL
OM
ypeScript
...

- Full-stack software developer with 15 years of experience - Expert in C#, asp.net, asp.net MVC, .net core, native JS, Jquery, Angular 1 and 2+ generation, and other technologies in the web development stack. - I have experience in C\C++, WinApi, COM, MFC and other technology stacks and I can work with the intersection of these technologies - My experience includes team and technical management, mentoring, and project management for new teams - Industries: Logistics and transportation, business intelligence, insurance and reinsurance, healthcare, government, information technology and services, professional services, computer software. - Upper-intermediate English

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Seniority Senior (5-10 years)
Location Budva, Montenegro
HTML
CSS
JavaScript
Node.js
MongoDB
Bootstrap 4
Express
Mongoose
Git
Github Actions
Microsoft Visual Studio Code
RESTful API
...

Software engineer with practical experience in full-stack web development, encompassing HTML, CSS, JavaScript, Node.js, and MongoDB. Proven track record with internships at CodeCraft Solutions and Nestsoft Technologies, demonstrating strong initiative, self-motivation, and real-world project management. Robust educational foundation with a Bachelor's in Computer Applications plus a specialization in Cyber Security. Developed a Master Study Portal project, showcasing skills in front-end and back-end development, RESTful API integration, and database management using Mongoose. Competent in version control with Git, and proficient with modern development tools such as GitHub and VS Code. Technical skill set further includes Bootstrap, Express.js, and REST API development.

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Seniority Intern
Location Romania
Elixir Phoenix 5yr.
PostgreSQL 5yr.
Ruby on Rails 2yr.
Neo4j 2yr.
React
MySQL 2yr.
Go
Rust
LLM
Angular
Apex DataLoader
Fastly
GCP
AWS S3
Azure Blockchain
Ansible
Cryptography
ETH (Ethereum blockchain)
GraphQL
SOLID
XCUITEST
jsQR
Oban
...

An adept Senior Software Engineer with a strong background in Elixir/Phoenix, robust API development, and systems scalability. Engineered the 'Wukong API Proxy' to streamline deployment timelines at Mindvalley, resulting in significant reduction of developer wait times. Skillfully managed Robu Sdn Bhd’s software team, developing its B2B2C platform and ensuring efficient cloud-based deployments. At Fave, excelled in site reliability while transitioning infrastructure from AWS to GCP and enhanced web app performances via Elixir optimizations. With a Bachelor's in IT from Universiti Teknologi Petronas, the candidate demonstrates a solid grasp of software development. Emphasizes AI-assisted workflows, mastering languages like Ruby on Rails, Elm/React, and Rust, and diversifies with a foundational understanding of cryptography and blockchain technologies.

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Seniority Senior (5-10 years)
Location Kuala Lumpur, Malaysia
PHP 11yr.
Symfony 11yr.
PostgreSQL
MongoDB
AWS
API
...

Expert with PHP, Symfony, Relational and No-SQL databases. Hands on AWS, Gitlab Ci/CD

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Seniority Expert (10+ years)
MS SQL Server Management Studio
Unreal Engine
Linea
Azure VM
PHP
Express
Node.js
React
Java SE
Business Intelligence (BI) Tools
MongoDB
MySQL
Agile
Clean Architecture
FDD
MERN stack (MongoDB, Express, React, Node)
Tools
...

Seasoned Head of Engineering with 8+ years of experience in driving technical strategy and leading multidisciplinary development teams. Expertise in AI, blockchain, and full-stack custom software solutions including MERN stack, PHP, and MySQL. Proven track record at Macromodule Technologies, shaping engineering culture with agile principles and maintaining focus on delivering business-aligned, future-ready software products. Holds a Bachelor of Science in Computer Science and has previously elevated backend systems at Dtech Systems and spearheaded full-stack projects at ArhamSoft. Known for integrating emerging technologies and establishing engineering KPIs that foster continuous improvement and technical excellence.

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Seniority Expert (10+ years)
Java 21yr.
Spring 21yr.
databases 21yr.
Keycloak 3yr.
Blockchain 2yr.
1C 21yr.
React 9yr.
Spring Boot
Struts 2
Redis
Snowflake
AWS
AWS Lambda
BSC
NFT marketplace
FDD
Observer
Scrum
UI/UX
Dotnet core
IOT
OOAD
Oracle Fusion Middleware
OSB-SOA
POC
Unreal Engine
...

Seasoned software engineer with over 21 years of industry experience, specializing in Java enterprise architectures and full-stack development. Known for executing robust back-end systems using frameworks like Spring, with prowess in front-end technologies like React. Demonstrated expertise in adapting and implementing SOA, REST, and design patterns, which enhance software design and problem-solving effectiveness. Strong history of engaging in complex projects, including NFT marketplaces and web analytics systems using diverse technologies (AWS, SOLR, Lambda). Proven record of delivering end-to-end solutions from architecting secure authentication infrastructures to crafting real-time mobile apps for contact tracing. Educated in Electrical, Electronics, and Communications Engineering, leveraging a deep understanding of the software development lifecycle and agile methodologies to lead multidisciplinary projects successfully.

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$30/hr
$5000/month
React
Vue.js
Angular
Next.js
Nuxt
JavaScript
Express
GatsbyJS
ASP.NET
Django
Fabric
Laravel
NgRx
Redux
Vuex
Firebase
AWS
...

Organized, collaborative and highly skilled full stack & blockchain developer with 8+ years of professional experience in dynamic and deadline-driven work environments. Self-motivated and self-taught professional who always trends to challenge difficult problems no one dares to try. The following skills can cover your project? - Blockchain (Solidity, Web3.js, Ethers.js) - JS frontend frameworks (React, Vue, Angular, Next, Nuxt, Gatsby) - Backend skills (Laravel, Express, Django, .NET) - Other (GraphQL, Shopify, AWS, Firebase, Google APIs, Typescript) If so, your project is already 99.99% done. The only thing left is to hire me and wait for the perfect result drinking coffee ~_~

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Seniority Senior (5-10 years)
Location Toronto, Canada
React 4yr.
Redux 4yr.
RESTful API 4yr.
TypeScript 4yr.
Vue.js 2yr.
JavaScript 4yr.
Bootstrap 4yr.
Firebase 4yr.
Axios 4yr.
Docker 4yr.
Git 4yr.
Postman 4yr.
Ant Design 3yr.
Material UI 3yr.
Styled components 3yr.
Formik 3yr.
i18next 3yr.
React-hook-form 3yr.
Tailwind CSS 2yr.
Mobx 2yr.
Redux-Saga 2yr.
Redux Thunk 2yr.
Redux-toolkit 2yr.
Zustand 2yr.
NestJS 2yr.
Node.js 2yr.
MongoDB 2yr.
Jest 2yr.
React-testing-library 2yr.
React Native 1yr.
Next.js 1yr.
AWS 1yr.
Azure DevOps 1yr.
...

- Versatile Frontend Developer with 4 years of experience in React, React Native, and Vue.js. - Strong track record of working on various projects and delivering high-quality web and mobile applications. - Proficient in JavaScript/TypeScript, React, Redux, Redux Toolkit, Axios, and Vue. - Experienced in mentoring and teaching, with extensive teaching experience. - Skilled in Agile methodologies, Git, REST APIs, and MongoDB. - Familiar with Docker, AWS, Firebase, and Azure Devops. - Proficient in frontend development frameworks and libraries such as Material-UI, Antd, Tailwind, and Bootstrap.

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Seniority Middle (3-5 years)
Location Warsaw, Poland
Spryker
PHP
Go
Symfony
AWS ElasticSearch
MongoDB
Redis
GCP
Agile
DDD
TDD
Docker
Kubernetes
Jira
Akeneo
Aumio
Git Scrum
Make.com
...
Seniority Senior (5-10 years)
Location Bosnia and Herzegovina
HTML
Tailwind CSS
JavaScript
...
Seniority Middle (3-5 years)
Location Lagos, Nigeria
Python 5yr.
JavaScript 5yr.
Java 2yr.
TypeScript
SQL
Express 5yr.
CSS 5yr.
HTML 5yr.
Redux-Saga 5yr.
MongoDB 5yr.
PostgreSQL 5yr.
CD DevOps pipelines 5yr.
Git 5yr.
Angular 2yr.
Spring Boot 2yr.
MySQL 2yr.
Jenkins 2yr.
Stripe 2yr.
PHP 1yr.
Laravel 1yr.
seo 1yr.
LangChain
OpenAI
PyTorch
Ext JS
Bootstrap 4
Tailwind CSS
Crashlytics
Django REST framework
FastAPI
Flask
NLTK
Azure
GCP
JWT
Github Actions
Kubernetes
...

A highly proficient Full-Stack Developer with over 7 years of experience, specializing in AI and NLP applications alongside web development. Adept at optimizing large language models, designing intelligent systems, and developing full-scale software solutions. The engineer's technical skill set encompasses Python, JavaScript, TypeScript, Java, C++, and SQL, with mastery in AI & NLP tools such as Hugging Face and TensorFlow. Their proficiency extends to full-stack development with a focus on MERN stack and Vue.js, demonstrated by a history of delivering high-performance, responsive e-commerce platforms, and proprietary CMS interfaces. With a Bachelor's degree in Computer Science and a strong background in DevOps practices, cloud platforms, and deployment technologies, the candidate has a proven track record of enhancing backend performance and streamlining deployment pipelines, positioning them as an asset for technically demanding roles.

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Seniority Senior (5-10 years)
Location Lviv, Ukraine
PHP 6yr.
MySQL 5yr.
Laravel 4yr.
React 2yr.
GatsbyJS
Tailwind CSS
Azure Data Factory
Redis
Agile
Refactoring
API
RabbitMQ
Optimism
Teamwork
...

Software engineer with extensive experience in full-stack development, focusing on back-end technologies. Expertise in PHP, Laravel, MySQL, Redis, and Vue.js, with a background in computer engineering. Proficient in solving workflow issues through system design, exemplified by creating a generator tool that enhanced efficiency by a significant margin. Skilled in optimizing database queries and implementing TDD, familiar with Docker and Stripe integrations. Proven track record of improving team performance with task automation and has contributed to open source projects. Holds a strong commitment to continuous learning and problem-solving in high-traffic environments.

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Seniority Middle (3-5 years)
Location Yerevan, Armenia
Solidity
PHP 13yr.
Node.js 3yr.
C
C#
C++
Java
JavaScript
Kotlin
Android APIs
CSS
HTML
jQuery
EJS
Mocha.js
Express
NestJS
Vue.js
Jhipster
Spring
Smarty
Yii
MySQL
AWS
Android
API
Apache Maven
DeFi
ETH (Ethereum blockchain)
EVM
Geth
Hardhat
NFT
Truffle
Web3
Git
MVC
WebSockets
Unreal Engine
...

- Software engineer with 10+ years of experience, specializing in Web and Blockchain technologies; - Expertise in Solidity for designing and deploying smart contracts; - Experienced in using Hardhat and Truffle for smart contract development and testing; - Deep abilities in Ethereum ecosystems and Solidity-based architectures; - Skilled in Ether.js and Web3.js for building dApps; - Proficient in designing complex systems, including yield farming and DeFi protocols; - Strong background in full-stack development; - Skilled in Node.js, Express.js, PHP, Java, and Kotlin for backend development; - Experienced in front-end development with Vue.js and EJS JavaScript frameworks; - Proven experience leading projects from concept to deployment across the entire SDLC; - Skilled in mentoring remote teams and collaborating effectively across functions; - Experienced in solution architecture, designing scalable systems, and ensuring smooth integration across platforms.

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Seniority Senior (5-10 years)
Location Bulgaria
Java
Keycloak
Kotlin
Apache Spark
GWT
Hibernate
Spring
Spring Boot
React
Java Server Pages (JSP)
JDBC
JMS
MyBatis
XML
XSLT
Oracle Database
PostgreSQL
SQL
Sybase
AWS
DevOps
Jenkins
Docker
Kubernetes
Terraform
J2EE
microservices architecture
TDD
Spock
Apache Calcite
ASE
IQ
JBPM5
Jenkins Pipeline DSL
...

- 15 years in the software development industry as a Java Engineer - 6+ years of experience with Keycloak, utilizing Keycloak for permission and role/group-based authorization with decentralized user access management. - Adept at integrating Keycloak with external user sources such as LDAP and databases, and implementing custom sync mappers for groups. - Proficient in designing and implementing architectural solutions of web-based applications. - Team leading, organization of development process experience. - Experience with Java, and JS (SpringBoot, ReactJs). - Experience with different DB engines, and SQL performance optimization. - Web app security. Authentication & Authorization. - DevOps (Docker, K8s, Jenkins) - AWS Cloud - Upper-Intermediate English

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Seniority Senior (5-10 years)
Location Krakow, Poland
SDLC 3yr.
Node.js 3yr.
JavaScript 3yr.
SQL 3yr.
NoSQL 3yr.
CSS3 3yr.
HTML5 2yr.
Unix 2yr.
Neural Networks
Ant Design
Git
Linux
Windows
Office 365
Technical Documentation
STLC
...

Versatile software engineer with a Bachelor's degree in Computer Engineering and Technology eager for defense from United Methodist University in Mozambique. Showing 3 years of real-world experience with expertise in software development and technical support. Proficient in contemporary web and mobile development, this engineer has successfully built and maintained applications using Node.js, JavaScript, and optimized SQL and NoSQL databases. Technical acumen extends to mobile app creation using React Native and Ionic, as well as comprehensive data analysis utilizing Power BI. Recognized for contributing to collaborative product design and exhibiting strong problem-solving skills. Skilled in an array of programming languages and tools including Python, JavaScript, C++, Git, and more; this candidate stands out for their dynamic approach and adaptability to new technologies, ready to bring value through strong software development practices.

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Seniority Junior (1-2 years)
Location Maputo, Mozambique
Python 3yr.
FastAPI
Generative AI
SQL
MongoDB
Hugging Face
LangChain
LlamaIndex
Flask
relational databases
Data Structures
...

Software engineer with a strong foundation in computer engineering and practical experience in developing scalable applications. Showcases expertise in Python, Flask, FastAPI, and an array of frameworks including Docker and Celery. Proven track record in optimizing data retrieval and processing, exemplified by a 50% performance increase and reduced RAM consumption at Crest Data. Innovatively implemented AI solutions, such as the Netskope AI plugin with Amazon Bedrock, and contributed to machine learning projects during an internship. Holds a solid educational background with a Bachelor's degree in Computer Engineering, boasting a high CGPA of 8.6. The engineer's work through hackathons and personal projects, geared towards automating compliance and transforming flight booking datasets using LLMs, further distinguish their profile as both skilled and innovative in the field of software engineering.

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Seniority Middle (3-5 years)
Location India
Java
Python
React
Node.js
AWS
JavaScript
TypeScript
Angular
D3.js
Express
jQuery
Bootstrap 4
Chart.js
HTML/CSS Preprocessors
Spring Boot
Apache Airflow
Power BI
Tableau
AWS DynamoDB
MongoDB
MySQL
PostgreSQL
Redis
SQL
SQLite
Sybase
GCP
Atlassian Confluence
Jira
Figma
Git
Github Actions
Jenkins
JUnit
Mockito
Postman
Kafka
RESTful API
Swagger
Terraform
...

Software engineer with over 5 years of full-stack development experience in healthcare, aviation, and analytics domains. In-depth knowledge of cloud-native technologies, microservices, and scalable architectures, backed by a Master of Science in Information Systems. Demonstrated ability to integrate AI models and deliver high-impact automation workflows. Proficient in Java, Python, React, and Node.js, complemented by strong experience with AWS, GCP, Docker, Kubernetes, and CI/CD implementations. Remarkable accomplishment includes the development of AI-powered microservices that increased system accuracy, and the execution of end-to-end CI/CD workflows for enterprise-grade applications.

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Seniority Middle (3-5 years)
Location Hopkins, United States
HTML
CSS
JavaScript
PHP
Bootstrap 3
React
WooCommerce
Prototyping
UI/UX Design
...

A dynamic Full Stack Developer and Video Editor with over 2 years of experience in web development and video editing. Expertise in creating responsive websites and fine-tuning video content utilizing an array of technologies including HTML, CSS, JavaScript, PHP, and Python. Proven ability to manage e-commerce projects like 360cartmall.com, showcasing capabilities in UI/UX and back-end development. Agile in developing solutions with modern frameworks and tools such as React, Visual Studio, and XAMPP. Holds a Bachelor’s in Software Engineering, underpinning a solid technical foundation. Adept at translating complex requirements into user-centric designs and functionalities, reflecting a strong background in SDLC and software development best practices.

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Seniority Middle (3-5 years)
Java
C/C++/C#
Python
JavaScript
SQL
...

A proactive software engineer with a specialty in backend development and competitive programming. Proficient in Java, C++, Python, JavaScript, SQL, and skilled in using backend technologies such as Node.js, FastAPI, Flask, and Django, with basic knowledge in Spring Boot. Extensive practice with databases like PostgreSQL, MySQL, and MongoDB and tools such as Docker, Git, and Postman. Exhibits a strong foundation in computer science education with B.Tech majoring in AI and Data Science. Demonstrates experience in RESTful API design, MVC architecture, and unit testing, having applied these in practical projects like SheRide cab app and Dijkstra & A* Pathfinding Visualizer. Acknowledged for technical prowess by ranking Top 10 in the Smart India Hackathon 2024 and reaching the finals in SUSTAIN-A-THON 2024. Holds a solid grasp of software engineering principles, evidence by hands-on project experience and achievements in the field.

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Seniority Intern
Location Faridabad, India
NestJS
React Native
React
...

Experienced full-stack developer with a strong background in scalable architecture design, cloud infrastructure, and modern web and mobile technologies. Proficient in building distributed systems using React Native, React, Node.js, and NestJS. Skilled in managing containerized deployments, service orchestration, and performance optimization across microservice-based environments. Solid understanding of CI/CD pipelines, monitoring, and cloud platforms like DigitalOcean.

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Seniority Senior (5-10 years)
Node.js
PostgreSQL
AWS
Angular
React
...
Seniority Senior (5-10 years)
Location Skopje, The Former Yugoslav Republic of Macedonia
FDD 4yr.
React
Python
Node.js
TypeScript
Ajax
ckeditor
CSS
Tailwind CSS
Express
FastAPI
React Native
Redux-Saga
Celonis
MongoDB
AWS EC2
CI/CD
GitLab CI
Jenkins
Docker
RESTful API
MERN stack (MongoDB, Express, React, Node)
SweetAlert2
...

Full-Stack Web Developer with over four years of experience, specializing in the MERN Stack and Python Django. Proven expertise in building scalable, secure web applications and teaching full-stack development principles. Experienced in both frontend and backend development, as well as cross-platform application development. Technical skills include MongoDB, Express, React, Node.js, MySQL, and AWS services. Proficient in SDLC, REST API design, and software development best practices, driving efficiency and performance improvements in web applications. Strong background in delivering in-depth training programs for aspiring software developers, contributing to their career success.

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Seniority Middle (3-5 years)
Location Pune, India
Power BI
Microsoft Dynamics
HTML 10yr.
HTML5 10yr.
CSS 9yr.
JavaScript 3yr.
Azure Data Factory 3yr.
Microsoft SQL Server 3yr.
SQL 3yr.
Azure 3yr.
Azure Logic Apps 3yr.
Python 2yr.
C# 1yr.
MS Power Automate
CMS
SharePoint
Office 365
Power Apps
Visual Studio
Dynamics CRM
Ribbon
...

- IT experience starting in 2012; middle frontend developer since 2015. - Experience with the full lifecycle of designing, developing, installing, configuring, and maintaining applications on SharePoint 2016/2019, 2019 Online, Office 365, Power apps, Dynamics CRM, Power BI - Upper-Intermediate English

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Seniority Senior (5-10 years)
Location Ukraine
SharePoint
C# 10yr.
JavaScript 10yr.
CAML 10yr.
CSS 10yr.
HTML 10yr.
jQuery 10yr.
Visual Studio 10yr.
Web Services 10yr.
Microsoft SQL Server 7yr.
Bootstrap 5yr.
Vue.js 4yr.
TypeScript 3yr.
Metro UI 3yr.
AngularJS 3yr.
React 3yr.
Fluent UI 2yr.
Ajax
ASP.NET
.NET
SPFx
Office 365
PowerShell
RESTful API
CSOM
JSLink
JSOM
...

- IT experience starting in 2011. - Professional experience with the full lifecycle of designing, developing, installing, configuring, and maintaining applications on SharePoint 2007/2010/2013/2016/Online, Office 365,Power Platform (Power Apps, Power Automate), Nintex. - Upper Intermediate English

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Seniority Senior (5-10 years)
Location Ukraine
Ruby on Rails
Architecture and Design Patterns
STLC
PMP
React
VBA
Salesforce Lightning Component
MS SQL Server Management Studio
Cloud Functions
SDLC
CI/CD
Code testing practices
Datadog
Leadership
Mentor Aptitude
UI/UX
...

Senior Software Engineer with extensive expertise in Ruby on Rails, React, and Node.js, specializing in scalable web applications and fostering technical leadership. Details include tech lead roles, impactful feature launches, and revenue growth through strategic experiments. Demonstrated strengths in CI/CD, monitoring with tools like Datadog, and coding best practices. Holds a PMP credential and a track record in both individual contribution and team mentorship. Educational background features a Master in Systems and Computing Engineering.

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Seniority Expert (10+ years)
JavaScript 5yr.
Swift 5yr.
FDD 5yr.
Node.js
React
Objective-C
ASP.NET MVC Pattern
.NET
Backbone.js
Meteor
Ethers.js
p5.js
Web3.js
FireStore
MongoDB
GCP
Agile
Algolia
CI/CD
Docker
Hardhat
Fastlane
Github Actions
Ubuntu
WebRTC
...

Software engineer with 9+ years of experience, excelling in full stack development with expertise in JavaScript, Swift, and iOS development. Proven track record of leading successful projects, including winning multiple hackathons and developing robust blockchain-based solutions. Demonstrates strong technical leadership, having managed diverse engineering teams and fostering agile best practices. Well-versed in various technologies like Node.js, React.js, Firebase services, Ethers.js, Web3.js, and AWS, with a solid foundation in computer science from Universidad Nacional del Nordeste. The engineer's proficiency in building scalable systems for music streaming, live video monitoring, and blockchain integration positions them as a valuable asset to any team seeking deep technical expertise and innovative solutions.

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Seniority Senior (5-10 years)
Ext JS
FDD
XML
Java
Python
App Service 5yr.
k-NN 2yr.
Data Structures 2yr.
Debugging 1yr.
Amazon Machine learning services
AWS ML (Amazon Machine learning services)
TypeScript
Angular
Spring Boot
CI/CD
Teamwork
...

A proactive and technically skilled software engineer with a BS in Computer Science from the University of Washington. Experienced in creating robust web and mobile applications utilizing advanced technologies such as Next.js, Java, Python, JavaScript, Node.js, PyTorch, and sklearn. Adept at optimizing data structures and algorithms and keen on adopting machine learning to enhance software solutions. Holds key certifications, including Oracle Java, and is committed to continuous learning. Brings a solid background in leading team operations to improve service quality and operational efficiency, with over five years of experience in supervisory roles. Eager to contribute to innovative projects in a collaborative environment.

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Seniority Junior (1-2 years)
Location Puyallup, United States
Python
Generative AI
RAG
Azure
AI-agents
Azure AI Search
Azure AI Studio
Azure Cognitive Search
Flowise
LSTM
Mistral AI
OpenAI
RAGFlow
C
C#
C++
JavaScript
PHP
TypeScript
Ajax
CSS
HTML5
Socket.io
XML
Express
Next.js
Node.js
React
Vue Storefront
Grunt
Webpack
Laravel
Zend
Zend Framework 3
.NET
OpenJDK
PhpStorm
Apache Airflow
AWS ElasticSearch
Cosmos DB
MongoDB
Mongoose ORM
MySQL
AWS
GCP
Genesys Cloud CX
Zoho
Amazon EventBridge
AWS Cloudformation
AWS CloudFront
AWS CodeDeploy
AWS Lambda
AWS S3
AWS SAM
AWS SES (Amazon Simple Email Service)
AWS SNS
Serverless Framework
Microsoft Azure API
Apache HTTP Server
Api Gateway
RESTful API
Runscope
Twilio
Browserstack
Jest
Postman
CI/CD
GitLab CI
Travis CI
Docker
Vagrant
Eclipse
IntelliJ IDEA
Microsoft Visual Studio Code
Git
GitHub
GitLab
Magento
microservices
RabbitMQ
...

- Senior AI Engineer with 11+ years of experience in software development and intelligent systems; - Experience in building Retrieval-Augmented Generation (RAG) pipelines using OpenAI, Mistral, and Azure AI stack (Cognitive Search, AI Speech); - Skilled in developing an AI voice/chatbot builder with RAG support, knowledge base retrieval, and CRM synchronization; - Experienced in Integrated conversational agents with Twilio, Genesys Cloud CX, and Zoho CRM for end-to-end automation; - Designed multi-agent flows using FlowiseAI, Agentflows, Vector Stores, and Memory Nodes; - Good abilities in backend development with Python, .NET, and Node.js for scalable service integration; - Experienced in front-end development with JavaScript (ES6+), React, Angular, and Vue.js; - Skilled in delivering cloud-native microservices across AWS and Azure, using Docker, CI/CD, and automation tools; - Led feature implementation and mentoring in long-term publishing and analytics systems.

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Seniority Senior (5-10 years)
Location Ukraine
Python
RAG
Azure
Gen AI
Azure AI Search
Azure AI Studio
Flowise
Mistral AI
OpenAI
RAGFlow
C#
Java
JavaScript
Pascal
PHP
TypeScript
Ajax
Chrome Extensions
CSS
HTML
jQuery
SASS
XML
Apache POI
Lucene
Babel
Bower.js
Ethers.js
Grunt
Gulp.js
JSX
NPM
Redux
TSLint
Webpack
Composer
PhpStorm
PHPUnit
Express
Node.js
React
.NET
Struts 2
Zend
Apache Airflow
AWS ElasticSearch
Cosmos DB
MongoDB
MS Access
MySQL
PostgreSQL
AWS
Genesys Cloud CX
Zoho
Amazon RDS
AWS Cloudformation
AWS CloudFront
AWS CodeDeploy
AWS EC2
AWS IAM
AWS Lambda
AWS Route 53
AWS S3
AWS SES (Amazon Simple Email Service)
AWS SNS
Azure Cloud Services
Azure DevOps
Microsoft Azure API
Caesar II
Apache ActiveMQ
RabbitMQ
Apache HTTP Server
Internet Information Services (IIS)
Nginx
Apache Maven
Chrome DevTools
Selenium Webdriver
Apache NetBeans
Xbedug
Xshell
Api Gateway
Eslint LinkedIn API
RESTful API
Twilio
VoxImplant
Architecture and Design Patterns
Design patterns
microservices
OOD
OOP
TDD
UML
Atlassian Confluence
Jira
Bamboo
CI/CD
Gradle
Jenkins
Travis CI
Bash
BitBucket
Crucible
Git
GitHub
Github Actions
GitLab
SVN
TortoiseGit
Borland Delphi
Core Image
Docker
Docker Compose
Portainer
Ffmpeg
ImageMagick
FontForge
Genesys Platform
Silverstripe CMS
WinSCP
...

- Senior AI Engineer with hands-on experience in AI and full-stack development; - Experience in building Retrieval-Augmented Generation (RAG) pipelines with Azure OpenAI and Azure Cognitive Search; - Developed multi-agent LLM workflows using FlowiseAI with Agentflows, Chatflows, and Tool Agents; - Skilled in integrated AI chatbots with telephony platforms such as Genesys Cloud CX, VoxImplant, and Twilio; - Experience in creating seamless integrations between Genesys Cloud CX, Zoho CRM, and OpenAI for automated user interactions and data sync; - Experience in backend development using Python, C#, and .NET; - Skilled with Node.js, RESTful APIs, and building scalable backend services; - Abilities front-end background with JavaScript, TypeScript, HTML/CSS, and jQuery.

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Seniority Senior (5-10 years)
Location Ukraine
Python
JavaScript
SQL
Django
Django REST framework
...

A backend developer with a strong focus on Python and JavaScript, proficient in Django, and dedicated to building scalable web applications. The developer brings a hands-on approach and a background in computer science education with coursework completed at prestigious institutes such as CS50x at Harvard University. Commended for a robust engineering foundation, particularly in RESTful APIs, SQL databases, and automation, they are an asset in modern software development environments. Their technical prowess is complemented by an education in business studies, augmenting their technical skillset with strategic acumen. With a dedication to clean code, continuous learning, and effective collaboration, this developer is poised to contribute significantly to dynamic teams in the tech industry.

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Seniority Intern
Location Dhaka, Bangladesh
HTML
CSS
JavaScript
...

"I'm a passionate Front-End Web Developer skilled in HTML, CSS, and JavaScript, creating responsive, user-friendly websites. I focus on clean design, functionality, and delivering seamless user experiences."

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Seniority Intern
Location Shimoga, India
Java
Python
JavaScript
TypeScript
SQL
VBA
Spacy
Angular
Django REST framework
Hibernate
Spring Boot
Celonis
Data Analysis
Data visualization
Data Lake
Azure DevOps
Azure VM
GCE
Agile
Clean Architecture
microservices
API
Microsoft Power Platform
QA Automation
Unreal Engine
...

Software engineer with a robust background in full-stack development and proven expertise in Java and Python. Demonstrated success in architecting and implementing high-transaction APIs with low latency in Java/Spring Boot, and optimizing ETL pipelines using Python/Airflow. Experience includes substantial cost reductions and performance enhancements in cloud environments, AI-driven application development, and leading large-scale software migrations and modernization projects. Holds a master's degree in Computer Science and possesses advanced certifications from prominent institutions, encompassing Java, AWS, and Docker, accompanied by a strong foundation in Agile methodologies.

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Seniority Expert (10+ years)
Python 4yr.
C/C++/C# 3yr.
PL-Sql 3yr.
RESTful API 3yr.
Flask 3yr.
.NET 3yr.
JavaScript
LangChain
OpenAI
Scikit-learn
Matplotlib
Pandas
Streamlit
Node.js
React
Tailwind CSS
GCP
CD DevOps pipelines
Git
Github Actions
Google API
...

Software Engineer with 4+ years of experience specializing in Electronics and Communication Engineering, with a solid background in AI/ML, automation, and efficient database management. Known for developing an AI Interviewer Bot at Infosys and enhancing system performance at Accenture, including a 98% reduction in manual workload through Python scripting. Skilled in Python, PL/SQL, C#, and cloud technologies, with expertise in building REST APIs and deploying machine learning models. Recognized for leading a migration from Jenkins to GitHub Actions, optimizing batch processing by 75%, and holding certifications such as GCP Associate Cloud Engineer. With a B.Tech in Electronics and Communication, complemented by a Nanodegree in Programming for Data Science, this engineer stands out with a blend of technical prowess and innovative problem-solving abilities.

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Seniority Middle (3-5 years)
Location Bengaluru, India
Ruby on Rails
JavaScript
React
AngularJS
CSS
TypeScript
ASP.NET Core Framework
Bootstrap 4
Play Framework
Data visualization
AWS ElasticSearch
MongoDB
MySQL
NoSQL
PostgreSQL
RDBMS
DigitalOcean
AWS SAM
Docker
Vagrant
LCDP
Microsoft Visual Studio Code
Nginx+Apache
OOP
Scrum
UML
Waterfall
Packet Tunnel Provider
Postman
Prototyping
Unix
Windows
Hardware
XP + Scrum
YAML
...

- Ruby on Rails Developer with over 10 years of progressive experience, specializing in architecting and developing scalable web applications across diverse industries including healthcare, legal services, finance, and e-commerce. - Demonstrated expertise in leading development teams of up to 10 members while maintaining optimal workflow and fostering knowledge sharing. - Proven track record in designing and implementing complex technical solutions for multi-platform applications serving US, Canadian, and European markets. - Proficient in full-stack development with strong capabilities in Ruby on Rails, React JS, GraphQL, REST APIs, and various database technologies including MySQL and MongoDB. - Experienced in agile methodologies with a focus on test-driven development, code quality, and documentation maintenance. - Adept at requirements analysis, task estimation, and project planning to ensure timely delivery of high-quality software products.

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Seniority Senior (5-10 years)
Location Cherkasy, Ukraine
Ruby
Ruby on Rails
JavaScript
Java
Python
Backbone.js
Express
Node.js
React
Bootstrap
Foundation
Hanami
Sinatra
rubocop
Salesforce Apex
Stimulus
AWS ElasticSearch
MongoDB
MySQL
PostgreSQL
Redis
AWS
Azure
DigitalOcean
Ansible
CircleCI
Jenkins
Docker
Github Actions
MQQT
RabbitMQ
RSpec
Hotwire/Turbo
...

- Senior Software Developer & Architect with 14+ years of experience designing scalable software solutions, leading teams, and optimizing system performance. - Expertise in Ruby, JavaScript, and cloud-based architectures (AWS, DigitalOcean, Docker). - Specializing in e-commerce platforms, payment systems integration, microservices architecture, search optimization, and IoT device integration, including video streaming and motion detection algorithms. - Passionate about architecting high-performance applications, integrating IoT solutions, AI technologies, and leading cross-functional engineering teams to drive innovation and scalability.

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Seniority Architect/Team-lead
Location Cherkasy, Ukraine
Ruby
Ruby on Rails
CoffeeScript
JavaScript
HAML
HTML
React
Sidekiq
AWS ElasticSearch
MongoDB
PostgreSQL
Redis
SQL
AWS
DigitalOcean
Hetzner
AWS EC2
AWS ElastiCache
AWS IAM
AWS Route 53
AWS S3
Azure Key Vault
Azure Kubernetes
Consul
Docker
Terraform
Git
Nginx
Caddy
Elastic IP
...

- 10+ years of experience in the IT industry as a Ruby on Rails Engineer - Demonstrated expertise in full-stack development, contributing to projects across the entire software development lifecycle, from planning and architecture to implementation and optimization. - 5+ years of experience as a DevOps engineer: Preparing AWS /Hetzner environment for application clusters, Creation scripts to automate application cluster infrastructure, Creation/configuration via Terraform, Dockerizing applications - 1 year of experience as a Team Lead: mentoring, training, coordination of jun devs and co-workers, Handling client requirements, Resolving problems and issues on the project

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Seniority Senior (5-10 years)
Location Cherkasy, Ukraine
SQL 12yr.
.NET 12yr.
PHP 6yr.
ASP.NET Core Framework 6yr.
Entity Framework 6yr.
.NET Core 6yr.
Architecture Components 5yr.
MySQL 5yr.
Azure DevOps 5yr.
Angular 3yr.
Node.js 3yr.
Vue.js 3yr.
Azure 3yr.
Ruby on Rails 2yr.
Kubernetes 2yr.
C#
JavaScript
Backbone.js
jQuery
ASP.NET MVC Pattern
.Net WCF
WPF
Kendo UI
SASS
Underscore.js
NoSQL
Oracle Database
Agile
REST
Scrum
Gitflow
JSP Liferay
Web API
Winforms
...

- Senior Full-Stack Developer with 12+ years of experience in software engineering; - Certified in .NET Microservices, Scrum Master, and Python Programming; - Skilled in building scalable web applications using .NET (Core, 6–9), C#, and ASP.NET; - Strong experience in microservices architecture, CQRS pattern, and RESTful API design; - Familiar with Vertical Slice architecture and Domain-Driven Design principles; - Proficient in front-end development with Vue.js, Angular, Kendo UI, and SASS; - Experience with modular frontend architecture using single-spa; - Hands-on experience with Microsoft Azure (App Service, Container Registry, Azure SQL); - Implemented CI/CD pipelines using Azure DevOps, Azure Pipelines, Git, and Kubernetes; - Worked with SQL Server, NoSQL databases, SignalR, WireMock.NET; - Familiar with Node.js and PHP for backend tasks and system integration.

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Seniority Expert (10+ years)
Location Madrid, Spain
React 6yr.
JavaScript 6yr.
TypeScript 6yr.
CI/CD 3yr.
Next.js 2yr.
CSS 6yr.
HTML5 6yr.
Redux-Saga 6yr.
Git 6yr.
Responsive Design 4yr.
Performance Optimization 4yr.
CRUD 1yr.
RESTful API 1yr.
Ant Design
Material UI
Styled components
Tailwind CSS
Node.js
React Context
React Hooks
Redux
Redux-toolkit
Zustand
GCP
Docker
Github Actions
Jest
Shopify API
Zod
...

Seasoned Front-end Engineer with over 6 years of experience and proficiency in cutting-edge technologies such as React, Redux, and Next.js. Specializes in React with TypeScript for building robust and maintainable applications.Skilled in engineering dynamic user interfaces, achieving significant performance optimizations and codebase enhancements. Pioneered comprehensive testing strategies to ensure high-quality software and maintain reliability across deployments.Demonstrates proven expertise in responsive design and cloud-based solutions, with recent mastery in Next.js 15 Server Components. Experienced in collaborating on international remote projects, consistently contributing to improved user engagement and overall software performance.Holds key certifications, including Next.js 15 & React and AWS Cloud Practitioner, reflecting a commitment to continuous learning and professional growth.Combines strong technical acumen with essential soft skills such as problem-solving, communication, and teamwork—making this engineer an excellent candidate for advanced Front-end roles.

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Seniority Senior (5-10 years)
Location Bellinzona, Switzerland
JavaScript 8yr.
TypeScript 6yr.
React 6yr.
React Native 4yr.
Node.js 4yr.
Crashlytics
Expo
Redux
Redux-Saga
Redux Thunk
Styled components
Vuex
yup
Socket.io
Firebase
MongoDB
Firebase Hosting
Docker
Storage
GitHub
Github Actions
Linux
Notion
SMTP
TLS
Bcrypt
...

- Experienced in React Native: Developed and delivered multiple React Native mobile applications, including a KenZen App and a Furniture Design Time-Tracking App, integrating Firebase, Redux, animations, and state management. Over 4.5 years of experience with React Native - Full-Stack Development in Fintech: Led fintech real estate app development, handling both front-end (ReactJS, Styled-Components) and back-end (NodeJS, MongoDB) while managing CI/CD pipelines and real-time updates. - Senior Developer in Web & Mobile Apps: Designed and implemented scalable mobile and web applications, ensuring high code quality, debugging, and managing releases on App Store and Play Market. - Developed e-commerce web solutions using Vue and Vuex, collaborating with back-end and QA teams, - Experienced in Docker, GitHub Actions, and Linux server management, optimizing deployment pipelines and application performance. - Intermediate English

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Seniority Senior (5-10 years)
Location Ukraine
TypeScript
C/C++/C#
Go
Python
Node.js
Java
PHP
Ruby
Angular
React
Vue.js
Spring Boot
MongoDB
MySQL
Neo4j
Redis
GCP
Ansible
Jenkins
Cypress
Selenium
Github Actions
GraphQL
JWT
OAuth
RESTful API
GRPC
WebSockets
Kafka
RabbitMQ
Terraform
...

Passionate Senior Software Engineer with 7 years of experience excels in building complex web applications leveraging mastery in languages such as JavaScript, TypeScript, C#, Go, and Python. Renowned for architecting a legal SaaS platform yielding a 40% operational efficiency boost and pioneering AI-powered chatbot integration, showcasing a 30% reduction in case handling efforts. Adept in cloud services (AWS, Azure, GCP), microservices, and CI/CD with an Agile mindset, drives collaboration and continuous improvement. Holds a solid foundation with a Bachelor's degree in Computer Science from NTUA, cementing technical prowess in the software industry through contributions to large-scale projects that enhance user experiences, performance, and reliability.

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Seniority Senior (5-10 years)
Location Katerini, Greece
TypeScript
React
Ext JS
Java
Spring Boot
CSS
SCSS
Tailwind CSS
Node.js
mui
Oracle Database
Prisma
AWS
GCE
Apache Maven
BitBucket
Github Actions
CI/CD
Gradle
Docker
Drizzle
...

- Full-Stack Developer with 4+ years of experience in software engineering; - Skilled in building responsive UI using React, Next.js, TypeScript, Tailwind, and MUI; - Strong experience in Java and Spring Boot for back-end development; - Proficient in API development, integration, and optimization for performance; - Experienced with PostgreSQL, MySQL, and Oracle for database management; - Familiar with Node.js for scripting and backend tasks; - Hands-on experience with unit and integration testing using Jest, React Testing Library, and JUnit; - Solid understanding of SDLC, CI/CD, and application deployment processes.

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Seniority Middle (3-5 years)
Location Slovakia
React 3yr.
Redux
JavaScript
TypeScript
CSS
HTML5
LESS
React Testing Library
Redux-Saga
Redux Thunk
Redux-toolkit
Webpack
AWS
Cypress
Jest
Figma
Git
GraphQL
...

- 5+ years of experience in IT - Upper-Intermediate English - Available ASAP

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Seniority Senior (5-10 years)
Location Ukraine
JavaScript
React
TypeScript
Ant Design
CSS
HTML
SASS
Tailwind CSS
Next.js
Node.js
React Native
Redux
Redux-Saga
Redux Thunk
Redux-toolkit
Firebase
MongoDB
Agile
Kanban
Scrum
Algolia
Cypress
Git
GitHub
GitLab
Git API
GraphQL
RESTful API
Jira
macOS
Windows
...

- 5+ years of commercial experience in IT - Experience in developing web applications using JavaScript (React, Redux) - Deep knowledge of HTML, CSS, TypeScript - New functionality development - Communicative, responsible, hardworking, result-oriented - Experience from simple sites to huge projects for companies - Good attention to details - Good logical thinking and team play - Intermediate+ English. - Availability starting from ASAP.

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Seniority Middle (3-5 years)
Location Kyiv, Ukraine
React
JavaScript
TypeScript
Bootstrap
CSS
HTML5
Material UI
Socket.io
Storybook
Styled components
Formik
NPM
Redux
Redux-Saga
Redux Thunk
Reselect
Webpack
Lodash
Node.js
Liquibase
AWS
Git
Google Maps API
JWT
OAuth
PayPal API
RESTful API
Stripe
YouTube API
Shopify
SSR
React-highcharts
SAAS
...

- Front-end developer with the overall experience in web engineering for over 3 years. - Intermediate English. - Available ASAP.

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Seniority Middle (3-5 years)
Location Zaporizhzhya, Ukraine
React Native
JavaScript
TypeScript
Redux
PHP
AngularJS
Express
jQuery
React
Bootstrap 4
CSS
HTML5
Material UI
MongoDB
MySQL
BDD/TDD
MVC
OOP
Cucumber
Mocha
Git
Github Actions
GitLab CI
GraphQL
...

- Versatile React Native Developer with 5+ years of experience in delivering robust mobile applications, with a deep understanding of the React ecosystem and modern front-end development. - Holds a solid foundation in software engineering with a Bachelor's degree in Economics, specializing in Accounting and Audit, adding a strong analytical dimension to programming skills. - Proficient in an array of technologies including JavaScript, TypeScript, ReactJS, Redux, Expo, NodeJS with Express, and associated libraries and tools. - Demonstrated expertise in the full software development lifecycle (SDLC), object-oriented programming (OOP), Model-View-Controller (MVC) pattern, Test-Driven Development (TDD), and Behavior-Driven Development (BDD). - Adept in integrating payment solutions such as Stripe, engaging with APIs, and developing cross-platform applications that enhance user experience. Familiar with web development technologies like HTML5, CSS, and cloud services. - Contributed to diverse projects ranging from live nature cams, NFT galleries, healthcare, e-commerce, to social media marketing, demonstrating versatility and the ability to adapt to varied domains. - Team player with intermediate English communication skills, facilitating collaboration with global teams and ensuring alignment with project goals.

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Seniority Senior (5-10 years)
Location Uzhgorod, Ukraine
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