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.
All
All
Web Application
Data and Analytics
Cloud and Operations
Mobile Application
Blockchain
Digital Platforms
Design and Creative
Quality Assurance
Project Management
Desktop Application
Marketing and SEO
Scripting and Automation
Embedded Systems
Writing and Translation
Low-Code and No-Code
GameDev
Industrial Engineering
C/C++/C# 2yr.
Python
MVC
Unix
- Master’s degree in Power Plants with honors from National Technical University Kharkiv Politechnical Institute of Power Engineering, June 2018, demonstrating a strong academic background and technical proficiency
- Designed modules for Raspberry Pi CM4, focusing on power management systems and implementing various technologies such as Gstreamer, Nvidia Jetpack, and Onvif for enhanced module functionality.
- Optimized iwr1843 radar for metal detection, enhancing its capabilities in distance measuring and shape determination on surfaces using technologies like Microwave radar, IMX477R, and Coral TPU.
- Developed sensors for smart home ecosystems to monitor household presence and activities, utilizing radar, MLX90640, and smart home technologies for effective embedded software solutions.
- Expertise in power management systems, demonstrating advanced skills in designing and implementing robust power director systems for embedded modules.
- Proficient in advanced radar system development, with a strong background in enhancing metal detection and implementing complex technologies such as Ballistic mathematics and SDR.
- Skilled in integrating machine learning and radar data for smart home applications, focusing on innovative presence and activity monitoring systems.
- Upper-Intermediate English
UI design 5yr.
Figma 5yr.
UI/UX
Material UI
Web Design
have over 5 years experience in design. Apart from work, my passion is art, I used to be an artist in the past. My experience includes projects of varying complexity, especially designing CRM systems, creating an exclusive user interface and developing UX.
I would be happy to join a team that works on projects of various levels and complexity. I am open and easy-going, looking for a cool team to create amazing results together!
$5900/month
Cloud Security
- Extensive experience around 14 years in working on On-premises, Cloud Technologies, Network Security.
- Experience of 7+ years in designing cloud projects. Experience in designing enterprise public cloud solutions (Oracle OCI, Azure, AWS) experience of stakeholder management within complex organizations.
- Extensive experience in implementing Cloud security using the tools CSPM, Prisma Cloud, Netskope CASB, Nessus on Multi cloud environments and security best practices.
- Fluent English
- Available ASAP
Java
Java EE
Salesforce Lightning Framework
AWS Security Groups
Hibernate
- Java Full Stack Developer with 8+ years of experience, specializing in Java, J2EE, Spring, Hibernate, RESTful webservices, Angular, and Oracle database.
- Proficient in design and implementation of complex modules, with expertise in payment processing systems, workflow customizations, and performance optimization.
- Successfully owned and delivered end-to-end modules, including handoff generation, auditing, and limit cutoff modules.
- Significant experience with role-based authentication, CRUD operations, and integration with 3rd party systems using OAuth2 and PGP encryption.
- Skilled in front-end development with AngularJS, creating responsive designs and utilizing tools like Jenkins and SonarQube for deployment and code quality.
- Holds a Bachelor's degree in Engineering, demonstrating a strong technical foundation and commitment to continuous learning.
JavaScript
React
Redux-Saga
jQuery
HTML5
Full Stack Web Developer with hands-on experience in optimizing web application performance, particularly in eliminating N+1 queries and upgrading pagination systems to improve speed and efficiency. Proven track record with the Open Food Network optimizing app loading times by 4% and enhancing CI build times from 12s to 0.2s. Skilled in front-end technologies including JavaScript, React, and Redux, as well as back-end expertise in Ruby on Rails, MySQL, and PostgreSQL. Demonstrated proficiency in Git, GitHub, Heroku, and Netlify, alongside a strong foundation in Mobile/Responsive Development and TDD with tools like RSpec. Holds a Bachelor's degree in Computer Science and Engineering from Anna University and has completed a Full Stack Web Development Program focusing on advanced algorithms, data structures, and project-based learning with international teams. Actively volunteers as a mentor to junior web developers, emphasizing high-quality coding standards and performance optimization.
Swift 2yr.
IOS SDK 2yr.
XCode 2yr.
Architecture and Design Patterns
Software Engineer with 2.6 years of experience in iOS application development, specializing in Swift and Objective-C. Proficient in building applications from concept to deployment with a strong background in working with iOS frameworks, RESTful APIs, third-party libraries, and XCode/Swift coding and debugging. Demonstrated abilities in architecture design, including MVC and MVVM patterns, and incorporating advanced features such as socket integration, push notifications, Google Maps, and payment gateway integration. Contributions to projects like an appointment booking app for a tattoo studio, an international e-commerce app, a mortgage application, and a taxi booking platform showcase technical versatility and a commitment to delivering engaging user experiences. Holds a Bachelor of Computer Applications and is currently pursuing a Diploma in Computer Applications, underpinning a robust foundation in computer science and software development practices.
iOS
Software engineer with 4+ years of commercial experience in IT;
- Strong skills working with iOS;
- Proficient in developing applications using Swift and Objective-C;
- Experience with iOS technologies such as UIKit, SwiftUI, Combine, Core Data, and more;
- Familiarity with various architecture patterns, CI/CD, OOP principles, and REST API;
- Excellent knowledge of OOP and experience in using design patterns;
- Proficient in using Git for source control and Jira for tracking systems;
- Experienced in Agile development methodologies such as SCRUM and Kanban;
- Demonstrated expertise in mobile app development, including UI/UX design, testing, and deployment;
- Skilled in using various tools and frameworks such as Firebase, CoreML, and CocoaPods;
- Strong problem-solving skills and ability to work with databases such as SQLite, MySQL, and NoSQL;
- Proficient in English, both spoken and written, at an upper-intermediate level.
FDD
Swift
Objective-C
UIKit
SwiftUI
Software engineer with extensive experience in native iOS development, skilled in Swift and Objective-C, and a strong background in Computer Science from Chandigarh University. Notable achievements include leading 5+ projects solo and earning the 'Plobal Apps Rising Star 2024' award. Proficient in UIKit, SwiftUI, and various other iOS technologies, the engineer has a proven track record of contributing to scalable mobile applications, while expertly employing tools such as Git, Firebase, and Realm. With effective communication skills reflected in successful client interactions and a dedication to Agile methodologies, they have demonstrated the ability to drive projects to successful completions.
$40/hr
iOS
- 7+ years of commercial experience in IT
- Experience in developing applications using Swift, Objective-C
- Excellent knowledge in OOP
- Experience in using Design patterns
- Good logical thinking, self-learning, high level of responsibility
- Responsible, hard-working, result-oriented, creative and communicable, team player
- Good attention to details
- Intermediate English
- Availability starting from 01/08/2023
$40/hr
iOS
- 11+ years of commercial experience in IT
- Experience in developing applications using Swift, Objective-C
- Excellent knowledge in OOP
- Experience in using Design patterns
- Good logical thinking, self-learning, high level of responsibility
- Responsible, hard-working, result-oriented, creative and communicable, team player
- Good attention to details
- Intermediate English
- Availability starting from 20/07/2023
Flutter 6yr.
Android 6yr.
- 5+ years of experience in the IT industry
- Code in multiple languages, with interest in Flutter/Dart, JavaScript/TypeScript/React/NodeJS and Ruby
- Worked with Flutter since the initial release date
- Fluent English
- Fluent Arabic
- Available ASAP
Webflow 1yr.
- 7+ years in design and 1+ year of commercial experience with Webflow- Strong understanding of typography, layout, color theory, and user interface (UI) design principles, and experience applying them to web design- Experience creating and managing Webflow templates and style guides for consistent and efficient design implementation- Intermediate English
Python 6yr.
Go 5yr.
- 6 years of experience in IT
- 5 years of experience with Golang
- 6 years of experience with Python
- Fluent English
- Available ASAP
Python
- 13 years of experience in IT
- Proficiency in Python, Pandas.
- Data quality for ICC profiles and algorithms for display color calibration
- Mathematical modeling (MATLAB, Octave, Comsol, MathCad), software algorithms, numerical methods (algebra, interpolation, regression, nonlinear problems, optimization, ordinary and partial differential equations), machine learning.
- Upper-Intermediate English.
- Available in two weeks
GCP 5yr.
API 5yr.
Mulesoft 2yr.
Java
Software engineer with 11.6+ years of experience specializing in integration solutions using SAP Cloud Platform Integration (CPI), SAP Process Orchestration/Integration (PO/PI), and MuleSoft. Holds OpenSAP certifications for CPI and SAP Model Company, as well as MuleSoft Certified Developer - Level 1 Mule 4. Proficient in creating and configuring interfaces with a diverse range of systems, utilizing technologies such as IDoc, OData, SOAP and REST Web Services, and adept in Java Mapping and XSLT. Skilled in Monitoring and Alert configuration, with a strong grasp of API Management, SSL/TLS, and certificates. With a background in leading junior consultants and teams on multiple projects, the engineer is recognized for expertise in various industry domains including banking, healthcare, and automotive, leveraging programming languages like Java, Groovy, JavaScript, and tools like Anypoint Studio and Eclipse.
PHP
- Experienced Software Engineer with 8 years of commercial experience in demanding environments, focused on producing cutting-edge systems for businesses.
- Skilled in infrastructure cost optimization, Kubernetes, and Terraform.
- Proficient in PHP, JavaScript, Golang, and various databases such as MySQL, PostgreSQL, and MongoDB.
- Extensive experience with Amazon Web Services (AWS) and containerization technologies like Docker.
- Strong background in computer science with a Master's degree in Computer Science.
- Familiar with Agile and Scrum methodologies, as well as software development practices and SDLC.
- Excellent communication skills and fluent in Ukrainian with advanced English proficiency.
Ruby
Ruby on Rails
Git
SQL
Heroku
Accomplished Ruby/Ruby on Rails developer with over 5 years of experience and a strong background in computer science from Ivan Franko National University, class of 2013. Noteworthy expertise in complex system integration, big data processing, and SDLC for energy management, payroll, benefits administration, recycling, and food nutrients management applications. Proficient in a diverse technology stack including Ruby, Rails, Git, SQL, Heroku, Webix JS, AWS, and Capistrano. Demonstrated success in working with both start-ups and established enterprises in Ukraine and the USA, contributing to significant projects that are widely used by public organizations and private businesses, especially in the recycling and HCM domains.
Data visualization 4yr.
Python 4yr.
Power BI 4yr.
Power Query 4yr.
R
Engineer with 4 years in IT, specializing in analytics, data visualization, and machine learning. Proven track record in Agile project execution and innovative solution design. Proficient in Power BI, Python, R, and various ML techniques. Experienced in database modeling and ETL processes, with certifications in Power BI Data Analyst and expertise in multiple data-centric tools. Skilled in optimizing workflows and algorithms for business intelligence across diverse domains.
$30/hr
$5040/month
$5040/month
Python 6yr.
- Python Software Engineer with 6+ years of experience in the IT industry
- Fluent English
- Beginner Dutch, German
Python 3yr.
ML 2yr.
Node.js
Pandas
NumPy
Certified Data Scientist bringing an 3+ year commercial expertise, particularly in NLP, CV, and 3D modeling, underpinned by a solid foundation in machine learning and data processing. Commands an advanced proficiency in Python, complemented by adeptness in JavaScript and NodeJS. Demonstrates in-depth experience with Python libraries such as Pandas, numpy, and PyTorch, and excels in deploying solutions with Git, Docker and API development. Proven track record in industries such as SEO and logistics, leveraging statistical models and ML solutions to drive data insights and optimization. Renowned for transforming complex requirements into scalable algorithms and models, with academic credentials in Mechanical and Computer Engineering.
Go 2yr.
JavaScript
Rust
Node.js
NestJS
- 6+ years experience as a Software Engineer;
- 2 years experience working with Go;
- Deep abilities working with Rust;
- Good knowledge of creating smart contracts;
- 4 years experience working with JavaScript, React, Next.js, Redux;
- Experience working with TypeScript;
- 3+ years of experience working with Node.js;
- Good skills working with NestJS;
- Experience working with Python, Swift, Kotlin, Flutter, Express;
- Experience working with AWS;
- Experience working with PostgreSQL, MongoDB;
- Good skills on team lead - led ~12 people;
- Took part in all aspects of product design and engineering, from marketing, and business investigation to the MVPs for start-ups, pitch decks, and mock-ups;
- Upper-Intermediate English.
Python 4yr.
JavaScript 4yr.
Django
Flask
Node.js
A versatile Full Stack Software Engineer with five-plus years of hands-on experience in several phases of the Software Development Lifecycle. Notable strengths include proficiency in Python and JavaScript, expertise in backend development with Django, Flask, Node.js, and frontend projects using React.js, Next branding. Equipped with practical knowledge in deploying applications on cloud platforms such as AWS, Digitalocean, and Azure, and leveraging Docker and Kubernetes for containerization. The engineer has a solid foundation in database design and querying, using PostgreSQL, MySQL, Elasticsearch, and Redis as data stores. Adept in Agile methodologies, the candidate presents an impressive track record of implementing robust web services and maintaining REST APIs, with a penchant for mastering new technologies and complex problem-solving.
AA RPA
Business Analysis
Power Automate
Visual Basic .NET
Robot Framework
Software engineer with 3+ years of experience in RPA and software development. Holds a Bachelor's in Mechanical Engineering and a Master's in Information Systems. Proficient in Power Automate, UiPath, Power Apps, and has extensive work with automation tools across E-Commerce, Healthcare, Finance, and Banking sectors. Technical expertise in scripting and programming languages such as VB.NET, ASP.NET, Java, JavaScript, Python, and SQL. Recognized for significant contributions to client project success and process efficiencies in professional tenure. Skilled in SDLC, RPA lifecycle, cloud services, and migrations from UIPath to Power Automate, indicating versatility and readiness for complex technical challenges.
Project Management 5yr.
Project Planning 5yr.
Project Scheduling 5yr.
Software Engineer with 19+ years of comprehensive experience in the design, development, and management of applications across various domains such as E-commerce, Banking, Healthcare, and more. Proficient in a wide array of technologies, including .NET, C#, ASP.NET, SQL Server, MVC architecture, and a strong command over web technologies like AngularJS and ReactJS. Skilled in both Waterfall and Agile methodologies, adept at project management with a successful track record of leading and implementing large-scale applications. Contributions to projects have consistently driven faster MVP releases and enhancements, while fostering team development and overseeing the complete SDLC.
AWS
- 8+ years of professional expertise in DevOps with a primary skillset in AWS (EC2, EBS, RDS, S3, CloudWatch), Kubernetes/Docker, Terraform/AWS CloudFormation, Prometheus/Fluentd, ELK, Python/Bash, Apache Spark/AWS Athena, CI/CD (Gitlab CI, Jenkins), Kafka
- Expertise in building distributed systems using cloud solutions
- Establishing a continuous build environment to speed up SDLC
- Strong experience with databases
- AWS Certified DevOps Professional Certified
- AWS-certified associate developer
API
microservices architecture
AWS DevOps
CD DevOps pipelines
Software engineer with a comprehensive 19-year background in integration solutions, boasting certifications in SAP PI 7.3, SAP PI 7.1, and Confluent Kafka, alongside a Computer Science degree from JNTU-Hyderabad. Demonstrates proficiency in Java-based platforms for system and solution development such as SAP BTP Integration Suite (CPI), MuleSoft, and Apache Kafka. Skilled in automated solution deployment on container platforms with scalability, leveraging DevOps tools and microservices architecture. Proven history in leading global implementation projects, integrating both SAP and non-SAP systems in high-stakes environments including telecommunications and insurance domains. Specializes in API management, data transformation, full project lifecycle from design to production, and error handling with robust troubleshooting acumen.
AA RPA
UIPath
QA Automation
Python
Go
- Seasoned RPA developer with over 8 years of experience, adept at designing, developing, and deploying automation bots using UiPath, WinAutomation, and Power Automate Flow.
- Proficient in programming languages such as Python and Go, with a strong foundation in databases like MySQL and MS Access DB.
- Comprehensive expertise in UI development and deployment, backed by a solid understanding of SDLC, version control with Git, and proficient use of JIRA and ServiceNow for project management.
- Holds a BSc-IT degree from University of Mumbai and has worked with reputed organizations, contributing to significant projects that showcase an ability to collate requirements, execute thorough assessments and develop meticulous design documents,
- Proven track record in module leadership at Happiest Minds and previous pivotal roles in large firms like JP Morgan Chase and Tata Consultancy Services.
- Demonstrates a deep commitment to quality, skilled at working across multiple operating systems, and frequently engages with the tech community by developing applications and writing technical blogs.
Ruby on Rails 6yr.
Ruby 6yr.
- Full-stack Ruby developer with 6+ years of experience in developing both front-end and back-end components of web applications.
- Has experience in front-end frameworks, including ReactJS, Angular, Vue3, and React Native.
- Proficient in PostgreSQL and MySQL for database design, query optimization, and data storage solutions. Has experience with MongoDB.
- Worked with AWS for deploying and managing applications in the cloud. Utilized Kamal for deployment automation and management.
- Extensive experience with RSpec for writing test scenarios and ensuring code quality.
- Skilled in using Grape for API development.
Dart 3yr.
Swift 3yr.
JavaScript 1yr.
Kotlin
Rust
Software engineer with extensive experience in mobile development, particularly with Flutter on HealthTech and FinTech products. Strong proficiency in Dart, Swift, JavaScript, Kotlin, and Rust, alongside deep familiarity with technologies such as Flutter, iOS, Android, Firebase, and AWS S3. Demonstrated excellence in applying engineering principles and practices such as Agile, OOP, SOLID, and design patterns like MVVM and MVC. Proven track record of boosting application performance and user retention through strategic optimizations and analytics integration, along with experience in leading teams and enhancing code quality through thorough code reviews and automated testing. Proficient in CI/CD and testing frameworks, adept at crafting responsive layouts, and capable of implementing effective SDLC methodologies.
C/C++/C# 6yr.
FDD 6yr.
Xamarin 3yr.
Facebook Auth 1yr.
.NET MAUI
Seasoned software engineer with 10+ years of diversified experience in mobile and software development, including hands-on expertise with Flutter, Xamarin Forms, and .NET technologies. Proven track record of leading end-to-one mobile app development, implementing modern design to responsive UI code, and maintaining exemplary code quality standards. Acknowledged for mentoring junior developers, streamlining deployment processes, and effectively participating in SDLC in agile environments. Proficient in both Arabic and English, with a substantial history of working with international teams and clients.
GCP 4yr.
Go 1yr.
TypeScript 1yr.
CI/CD 1yr.
Python
Software Engineer with 4+ years of experience, specialized in backend systems, Rest APIs, and Blockchain solutions using Go, Typescript, and the Google Cloud Platform (GCP) ecosystem. Proficient in a range of technologies including Dart/Flutter for mobile development, as well as CI/CD, ReactJs, and NextJs for front-end solutions. Holds a BEng in Computer Engineering with ongoing MEng studies, emphasizing a strong foundation in theoretical and applied computer science. Track record of developing scalable mobile applications and optimizing performance, with notable contributions to projects such as the Mbelemama Mobile app and contributions to Bitcoin state representation (Utreexo). Adept in modern software developments practices, particularly focused on microservices architecture and cloud-native technologies.