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
Operations and Cloud
Mobile Application
Digital Platforms
Blockchain
Design and Creative
Quality Engineering and Testing
Delivery Management and Analytics
Desktop Software
Writing and Translation
Marketing and SEO
Scripting and Automation
Embedded Systems
Low-Code
GameDev
Industrial Engineering
Node.js
React
- 4+ years of professional experience using front-end and back-end technologies
- Back-end: NodeJS, Express, Nest, REST API, Docker, Google, Facebook auth, Postgres
- Front-end: React, Redux, Redux-Thunk, React-query, Webpack, Material-UI, Vite, Jest, Lodash, HTML, CSS, BEM, SASS/SCSS, LESS, Bootstrap
- Intermediate English
- Available in 2 weeks after approval for the project
Java 15yr.
Python 3yr.
Hadoop ecosystem
• 10+ year experience with JAVA and Linux operating systems: Java 11, Spring Boot, Spring Data JPA, MySQL/MongoDB, ElasticSearch, Jenkins CI
• Big Data, Data Engineering, NLP, Corpus Linguistics, ML, DL
• Design and implement a distributed warehouse system (AWS migration), REST API design and cache implementation (1,000-10,000 requests/sec), Design and implement high-load microservices
• Deliver special courses devoted to concurrency and prepared handbook on “Parallel and Distributed Computations” [technologies: (basics of OpenMP, MPI, CUDA, OpenCL), advanced in Java concurrency];
• Scientific projects at university related research increasing effectiveness of crypto-analysis
• Upper-Intermediate English
• Available Full-time
• Ready to start in 2 weeks
• No scheduled vacations within next 3months
QA
- 11+ years of experience in IT
- A proven QA leader in manual and automation and strong Agile/DevOps follower.
- Upper-intermediate English.
- Available ASAP.
Node.js
React
- 3+ years of professional experience using front-end and back-end technologies
- Front-end: JavaScript(ES6), React, Redux, Redux-saga, Context API, React Hooks, Vue js, Vuex, Angular, HTML, CSS(SCSS), MaterialUI, AntDesign
- Back-end: NodeJS (Express, NestJS), REST API, Docker
- Solid experience in building rich web applications (monolith and MSA) using frameworks and libraries such as React, NestJs, Express, and Vue js.
- Intermediate English
- Available in 1 week after approval for the project
Node.js
JavaScript
- 5+ years of experience, working in the cyber security sector, fintech, crypto, and agrotech, a team
player and always ready to learn new things
- Upper-Intermediate English level.
- No vacation plans
Node.js
React
- 4 years of professional experience with front-end and back-end development
- Back-end: NodeJS (Express, Nest), REST API, Docker, Google, Facebook auth, Postgres
- Front-end: HTML, CSS, BEM, SASS/SCSS, LESS, Bootstrap, Material-UI, ReactJS, Redux, Redux-Thunk, React-query, Webpack, Vite, Jest, Lodash
- Available in 1 week after approval for the project
Python
C++
MySQL
- Senior Python/C++ backend developer with spoken English and 17 years of cumulative experience.
- He learned Machine Learning, and had a part in different server developments, network protocols, network packages, etc.
- Upper-Intermediate English level.
Windows Server
- 20+ years of work experience in IT
- Fluent English
- Available ASAP
$35/hr
$5800/month
$5800/month
Flutter
7 years of professional expertise in IT industry;
Android developer with 5+ years of experience
Flutter developer with 2+ years of experience
JavaScript 3yr.
React 1yr.
- 3 years of experience in the software development. Working on mobile and web development using JavaScript frameworks like React, React-native, Redux. Highly experienced in creating custom components according to the design. Confident with my skills in Unit Testing, HTML, CSS, API integration.
- Intermediate English
- Available ASAP
JavaScript
Magento 1
Magento 2
- 5+ years experience of developing large e-commerce solutions based on CMSMagento
- Was involved as a front-end developer in up to 25 e-commerce projects based on Magento and WordPress
- Creative, self-starter and quick learner person with an ability to work under pressure.
- Available 20 hours per week
React 4yr.
- 13+ years of experience in IT
- 4 years (aggregated) with JavaScript (React)
- Full-Stack projects with Node.js and PHP as back-end.
- REST API, Search services, Payments API etc.
- Experience with Java and ERP platforms.
- Fluent English, Native Portuguese, Basic Spanish (Studying French, Japanese)
JavaScript 4yr.
React Native 4yr.
- A detail-oriented software engineer with 4 years of experience in web and mobile development.
- Intermediate English
- Available in two weeks
$35/hr
$5600/month
$5600/month
React
React Native
Senior React Native Developer
.NET
C#
- Over 10 years of professional expertise in the Information Technologies (IT) industry
- Experience in the design and implementation of web applications
- Rich experience in web development
- Upper-Intermediate English
- Available from 15.07.2022
React 6yr.
JavaScript 6yr.
TypeScript 6yr.
- 8+ years experience as a Frontend developer.
- He has experience in the development and testing of programs that he created on the project. Has worked with databases, applications, and servers to support websites on the backend. He has worked with back-end developers to design APIs.
- Upper-Intermediate English.
- Start ASAP
PHP 4yr.
Magento 3yr.
WordPress
- 4+ years experience in IT.
- He has a Certified Magento Developer and has over 4 years of specialized experience in Magento 2 backend projects. His major strengths include being highly result-oriented, producing clean, well-documented, and standards-compliant code, excellent time management skills, self-supportive debugging, and problem-solving abilities, a deep understanding of patterns, and a strong understanding of web architecture. He has the perfect ability to multitask and excel at solving issues when working on high-load projects.
- Upper-Intermediate English.
- Start ASAP
PHP 6yr.
Magento 1 5yr.
Magento 2 5yr.
- 6+ years experience in IT.
- He has over 6 years of experience in web development and more than 5 years focused on Magento 2 backend projects, He is a skilled Magento back-end developer (Certified). His major strengths include his extensive experience in developing web applications, proficiency in object-oriented programming, and a deep understanding of data structures and MySQL database query writing. Additionally, He has well-versed in using software development methodologies and possesses strong communication, collaboration, and analytical-solving skills. Has proficiency in code review, ensuring the quality and integrity of code.
- Upper-Intermediate English.
- Start ASAP
$40/hr
$5000/month
$5000/month
iOS 11yr.
Swift 5yr.
Objective-C 5yr.
Java 3yr.
Spring Boot 3yr.
Expert with iOS swift/ Objective C development
Nearly 2 years experience on Java Spring Boot development
PHP 6yr.
Laravel 6yr.
MySQL 6yr.
MVC 6yr.
- 6+ years experience as a PHP developer.
- Has experience in the software development area, he has worked with live projects based on Laravel, Adapt-Framework, native PHP, WordPress, Slim. Has experience in projects in various domains. Also, has gained experience in working with a team and working alone. Has a clear understanding of the full development life cycle & testing processes.
- Upper-Intermediate English.
- Start ASAP
UIPath 5yr.
RPA
- 16 years of experience in IT
- 5 years of experience with UIPAth, Automation Anywhere & Blue Prism
- 3 years as a Team Lead
- Certified UiPath Developer
- Fluent English
- Available ASAP
$30/hr
RPA
- experience in RPA Development (UiPath)
- 3+ years of experience in JavaScript Development
- Intermediate English
- Available ASAP
UI/UX
- Having 3 years of commercial experience, I have worked in various domains such as E-Commerse, Education, and Web3.
- As for personal qualities, I always take a responsible approach to work and monitor the quality of assignments. I also properly allocate time and able to find a common language in a team.
- Upper-Intermediate English
- Available ASAP
Flutter
Objective-C
iOS
Android
- 15 years of experience in IT. 3 years of experience as a Flutter Developer.
- He has experience in developing applications from scratch using the Flutter framework.
He has good experience in developing mobile applications for both Android and IOS. Writing and maintaining existing programs.
- Experience with programming languages Objective-C and Swift.
- Upper-Intermediate English
- Available ASAP
Cloud Security
- 6+ years of experience in IT (Security Operations, DevOps, System Administration, Database administration)- Verifying integrity and availability of all server resources, systems, and key processes for GCP, AWS, Dedicated and in-house servers- Linux Foundation Certified SysAdmin (LFCS)- Native English- Available ASAP
Android 6yr.
- Senior Android Engineer with 6+ years of commercial experience and strong organizational skills.
- Proficient in Android development using Java, Kotlin, and libraries like Retrofit and Room.
- Expert in methodologies like MVC, MVVM, Clean Architecture, and SOLID principles.
- Comfortable working with REST API, version control tools like Git, and project management through MVP.
- Upper-Intermediate English
- Available ASAP
Ruby
Ruby on Rails
- 7+ years of experience as a software developer.
- Has experience working on 3 long-term projects with Ruby on Rails for over 3.5 years. In addition, started a career as a PHP developer and worked on 4 long-term and many short-term projects.
- Has experience communicating with different teams and taking part in planning, feature creation, refactoring, testing, and deployment.
- Upper-Intermediate English
- Available ASAP
$48/hr
QA
QA Automation
- Cross functional communication skills and experience more than 6 years in the system, UI/UX and automated testing.
- Test automation scope development (UI and API level)
- Test automation framework and scripts development
- Test automation implementation within Continuous Integration process, Code review
- Performance testing: load, stress, volume testing
- Functional, integration, E2E, UI/UX testing
- API testing
- Web and mobile applications testing
- Test documentation expert creation: test cases, test plans, Traceability Matrix, QA plans, bug reports, test reports
- Expert QA/TA LOE estimation
- Requirements and specification analysis
- Intermediate English.
- Available ASAP
Node.js
JavaScript
- 6+ years of experience in web developing;
- Experience in developing applications using Node.js and Javascript;
- Strong knowledge in Node.js, Express.js, Nest,js;
- Deep understanding and solid of Databases (MongoDB, MySQL, PostgreSQL);
- Knowledge of AWS services;
- New functionality development;
- Good logical thinking, self-learning, high level of responsibility;
- Responsible, hard-working, result-oriented, creative and communicative, team player;
- Upper-Intermediate English
QA Automation
Java
- Automated software testing expert with over 8 years of experience, Team Lead Experience.
- Developed in-house frameworks for test automation as well as implemented various test automation frameworks for the customers.
- His test automation experience includes Java and JavaScript stack combined with the most efficient frameworks such as Webdriver, WebdriverIO, Protractor.
- Functional, regression, sanity, integration, usability, E2E testing, back-end testing and data validation using SQL
- Solid experience in test cases design, test cases management, test reporting, and planning
- Expert QA/TA LOE estimation
- Substantial testing experience in Agile and Waterfall projects
- Test automation scope identification
- Test automation framework and scripts development
- Test automation implementation within the Continuous Integration process
- Expert code review, Performance testing
- Intermediate English.
- Available ASAP
XSLT 4yr.
XML
- Process Engineer. Involved in data conventions and content management projects.
- 4 years of experience with XSLT
- Upper-intermediate English