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.
- 10+ years of experience in web development - Solid knowledge of such technologies as Laravel Framework, PHP, JavaScript, MySQL - Upper-Intermediate English. - Available ASAP
- 10+ years of work experience with Java stack and about five years as Team Lead. - Digital financial services background - Confident knowledge in development with Java Frameworks. - Experience as a cloud architect. - Experience with implementing Full Stack Features. - Experience with public reports at the conference. - Experience in leading development teams. -Hand on development of the application from scratch, maintaining the legacy projects, testing, bug fixing, and deployment. - Experience in collaboration with distributed (including international) teams leveraging SCRUM methodology. - Able to work both as a team player and on individual assignments. - Fluent in English. - Available ASAP
- Full stack Developer with 6 years of commercial experience - Experience with Kafka manipulations - Upper-Intermediate English - Available ASAP
- 6+ years experience in software development. - Experience in live projects based on Laravel, Adapt-Framework, native PHP, WordPress, Slim. - Experience in working with a team (2-8 people) and working alone. - Upper-Intermediate English. - Available ASAP
- Around 10 years of experience handling Web & Enterprise applications in the Telecom, Finance, Banking & eLearning domains. - 4+ years experience as a Solution Architect - 7+years experience with Java, SpringBoot, Microservices, and AWS - Experience with Kubernetes, Docker - Experience with Rest Api - Experience with MySQL, PostgreSQL, SQL - Expertise in Kafka, RabbitMQ - Cohesive team worker, having strong analytical, problem-solving skills. - Actively upskilling myself & working on innovative ideas. - Upper-Intermediate English
- 3.5 years of experience with Elixir, 10 years of experience with Ruby and RoR - The last version worked with: Ruby 2, RoR 5 - Gained extensive experience with Elixir focusing on implementing geolocation services and onboarding features using technologies such as Elixir, Phoenix, Postgresql, and AWS. - Projects involving Ruby and RoR include web application development, SOA applications, API development, SAML connectors, quiz platforms, OAuth 2.0 provider applications, and API applications, utilizing technologies such as Ruby, Ruby on Rails, Sinatra, Grape, Redis, MongoDB, RSpec, and React. - Upper-Intermediate English - 2 weeks' notice - Available ASAP
Test Talent
- About 7+ years of experience in development - Data-visualization - Testing coverage - Team management - Architecture design - Docker configuration - Good skills with Adobe Photoshop/Sketch - *nix systems preferred - Upper-Intermediate English. - Available ASAP.
- Skilled and results-oriented software developer with more than 5 years of experience working in a variety of environments with a breadth of programs and technologies. - Solid background and advanced knowledge in computer development software including PHP, Javascript. - Skilled in working with database management tools such as MySQL, MongoDB. - Ability to solve complex problems successfully with minimal guidance or help using a logical reasoning technique and a strong attention to detail. - Fluent English
- React Native developer with excellent Frontend skills, she has 4 years of experience. - Intermediate English - Available ASAP
- 9+ years of work experience in software development - Solid knowledge of Microsoft .Net Framework, C#, JavaScript - Understanding of OOD/OOP/SOA concepts and design patterns -Skills in designing applications architecture and technical research - Experience both in front-end and back-end development
As an experienced Javascript developer: - 6 years of experience in React Native and React development and these are my main skills; - 2 years of experience in Angular and Vue; - Blockchain developer with 2 years of experience; - Experience with developing React+Web3 frontend projects and also compiling testing and migrating solidity files; - 3 years of experience with ExpressJS, MySQL, and MongoDB. Also, have a year of experience with NestJS development.
- 6 years of experience in IT - 3 years of experience with Node and 1.5 years of experience with Vue - Good Typescript and Javascript knowledge, covering all my code with unit tests, and integration tests. - A lot of experience working with AWS Beanstalk, CI/CD, Docker, and Github Actions. - Upper-Intermediate English
- Web Developer for 6 years in both Front-end and Back-end web development. - Good experience in Blockchain and solidity. - Upper-Intermediate English. - Available ASAP.
- More than 14 years of experience in web development using PHP as the main language. - 3 years of recent experience with Go - Deep understanding of OOP & DDD principles. - Experience with projects with huge DB and a lot of complicated math logic. - Deep understanding of frontend JavaScript development with or without frameworks. - Was working as a senior PHP developer and as a team leader for the last 5 years - Deep understanding of DevOps practices and Kubernetes infrastructures - Upper-Intermediate English - Available ASAP
-A Software Engineer with over 7 years of development experience in the IT industry. - Most of this experience is related to .NET platform and C# language, on both client and server side development. development. Solid experience working with cross-application integrations, Web API, and WCF Services. Well-versed in release management on API Managment and Azure Functions. Strong knowledge of Logic Apps. - Advanced English - Advanced Polish
- 6+ years of experience in the IT industry as a back-end Ruby Engineer - 3 years of recent commercial experience with Go - Has experience working as a full-stack engineer using React on the front-end side - Upper-Intermediate English - Available in 2 weeks after approval for the project
- 8+ years of experience in development. - Senior Front End Developer experienced in developing and deploying scalable JavaScript applications using modern technologies - especially React, Vue, Nest.js, Nuxt.js, Express.js. - Advocate of Agile methodology and Test-Driven Development. Passionate about pushing the tech industry forward by working with and building new technologies. - Fluent English - Available ASAP
- Software Engineer with excellent problem-solving and debugging skills, eager to demonstrate a unique range of skills, commitment, and dedication to developing world-class software solutions - Upper-Intermediate English
- 5 years of experience in IT - My specialties include quickly learning new skills and programming languages, problem-solving, domain-driven design, Micro-service architecture, Rest API, responsive design principles, website optimization, and Model View View Model(MVVM) methods of organizing code. So far I have JavaScript, Python, Java, Typescript, HTML, CSS, ReactJS, Angular, SQL, NoSQL, Jest, Django, Spring boot framework, and Git under my belt. I'm still enthusiastically grabbing onto any other programming languages, frameworks, or principles I can integrate into the coding web in my head - Upper-Intermediate English. - Available ASAP.
- 5 years of commercial experience with PHP Symfony & Laravel frameworks - Experience with C# & Unity3D - Upper-Intermediate English - Available ASAP
- Fullstack software engineering (Elixir, TypeScript, Postgres, etc.) - RoR-Elixir migration commercial experience - Commercial experience with Phoenix - Systems architecture and design, with experience in both monolithic and microservices architectures - 3rd party integrations, including payment gateways, SalesOps tools, and other APIs - DevOps, with expertise in Docker, GCP and DigitalOcean - UX design, with focus on application flow design - Systems exploration, improvement, and repair, with experience troubleshooting complex issues across a variety of technologies - Project ownership, with experience managing projects from ideation to deployment - Leadership, with a track record of leading high-performing teams - Business consulting, with experience helping clients optimise their workflows and systems - Strong communication and collaboration skills, with experience working cross-functionally with designers, developers, and other stakeholders. - Upper-Intermediate English. - Available ASAP.
- 4 years of hands-on scripting experience with Python
- Software Engineer with 4+ years of diverse experience in building and integrating large-scale websites, applications, and services in Artificial Intelligence, Big Data, Telecommunication, and IT. - Upper-Intermediate English
- Experience with development in the team using agile Scrum methodology - Good skills in debugging and issue resolving, testing with unit tests - Metamask integration - Upper-Intermediate English - Available ASAP
- More than 10 years experience of software development with different languages and technologies. - Main languages, frameworks and technologies: C++, C# (dotnet core), Angular, Qt. - Pre-Intermediate English. - Available: ASAP
- 6 years of experience in developing web applications using cutting-edge technologies - Obtained a lot of experience in AngularJs, Angular2+, Microfrontend, Microservices, Java, Spring, JS/TS, HTML, CSS, and other related technologies - Experience in leading teams of 5 more people - Main subject areas include healthcare, government projects, insurance, etc. - Upper-Intermediate English - Available ASAP
- 9+ years of experience in the IT industry as a full-stack developer with great experience in modern web technologies. - Intermediate English - Available ASAP
- With about 6 years of software development experience with Ruby on Rails and the latest standards of ECMAScript - Intermediate English. - Available ASAP.
- 1.5 years of experience in the IT industry - JS, React, Redux, HTML5, and CSS (SASS)
- 3 years of experience in Frontend and Javascript development (React, Redux, Redux Toolkit) - React Router, Node.js, HTML / CSS, Lodash, Axios, Ant design and material UI - Understanding of MVC, MVP and MVVM - Intermediate English - Available ASAP
- Experience in developing 4+ years - Intermediate English - Available ASAP - Location: Kyiv
8+ years of experience in IT 8 years of experience in the development of different types of customer-face products on WordPress Configuration of the environments Good team player Highly self motivated Has disciplined approach to the work Oriented on results A reactive and highly responsible person Solid mathematical background English: reading and writing - with vocabulary
- 5+ years of experience in the IT industry using front-end and back-end technologies (Vue.js, React, Node.js) - Upper-intermediate English - Available ASAP
- Experience in developing 8+ years - 8+ years of professional experience with Python - Experience in development projects using: Python, Spark, Hadoop, Kafka - Good knowledge in Machine Learning (Keras, Tensorflow) - Experience with databases such as PostgreSQL, SQLite, MySQL, Redis, MongoDB - Experience in program automation testing. - Upper-intermediate English - Available ASAP
- 10+ years of experience of Ruby on Rails developer - Fluent English. - Available ASAP.
• 5+ years of expertise • Development of e-commerce websites based on Magento eCommerce platform, Integration and customization out-of-box modules, Creation of new, custom Magento modules, Migration of custom Magento V.1 functionality to V.2, Customization of core modules) • Intermediate English • Available Full-time • No scheduled vacations within next 3 months
• 5+ years IT professional in front-end web development in a field of web-oriented applications for startups, midsize businesses and large enterprises from various industries. • Have a full and deep understanding of UX/UI design implementation into HTML layout. • Good knowledge of designers tools. • Expert in JavaScript. Experienced in different approaches, front-end engineering principles, and concepts. Knowledge in OOD, OOP based on prototypes, Unit testing (TDD) and functional approach. • Available: ASAP
- 5+ years of professional experience using front-end and back-end technologies - Front-end: Deep knowledge of native JavaScript (basics, OOP, DOM, events, asynchrony, AJAX, event loop), ES6+, React, Redux, other React tools (React-router, Redux-Saga, etc.), HTML5, CSS3, LESS, SASS, Bootstrap, Material-UI. - Back-end: Node.js, Express.js, NestJS, JWT, REST API, GraphQL, Postgres, Sequelize, Typeorm, knex.js, Docker, Microservices. - Upper-Intermediate English - Available in 2 weeks after approval for the project
- 4+ years of professional experience using front-end and back-end technologies - Front-end: HTML, CSS, BEM, SASS/SCSS, Bootstrap, Webpack, Material-UI, ReactJS, Redux, Redux-Saga, Jest, Lodash, React-Hooks, React-Query - Back-end: NodeJS (Express), Nest.js, REST API, Docker, OAuth, Postgres, TypeOrm, Sequelize - Upper-Intermediate English level - Available in 2 weeks after approval for the project
• Having huge experience (14+ years) in back-end development on C/С++/Erlang/Elixir has shown himself as aim-oriented developer with analytical skills. • Using his experience he can not only to develop new features and functionality, but also make clear hidden multiconnection in any code that is based on the scope of Erlang/Elixir/C/Js. • Has a huge experience in parser development of custom xml coding. • English Upper-intermediate. • Available Full-time. • Ready to start ASAP. • No scheduled vacations within next 3 months.
$5280/month
5 years of commercial experience. Worked as full-stack PHP, and with React 4+ years like frontend developer in various spheres and including education, video broadcasting, online gallery-market for artists, job search/proposal platform, healthcare, etc.
$5280/month
• 5+ years of practical experience (PHP Symfony, JavaScript React) • Good communication skills, proactive person, excellent team player, time management, ability to analyze complex technical information, excellent problem solver, understanding clients’ business processes. • Upper-Intermediate English level.
- 5+ years of experience in the IT industry - 4+ years of experience with ReactJS - 1+ years of experience with NodeJS - Upper-Intermediate English
• Software Engineer with 6+ years of experience in software development based on backend technologies (Node.js, ExtJS, PHP /Symfony/). • Experience in next stages of the life cycle of development of business applications. Architecture design, planning, estimation, investigation, development, writing tests, support of existing code. • Understanding of relational database concepts, modular application architectures, design patterns • Development of project architecture, algorithms and models on customer requirements
- 7+ years of experience (Expertise in Java , C#, SQL) - Worked with the frameworks: Spring, .NET Framework, Entity Framework, Laravel, CodeIgniter) - A strong team player, a strong feel of responsibility. - Intermediate English - Available ASAP
- 9 years of experience in the IT industry - 6 years of experience in web development - Intermediate English - Available ASAP
- 7+ years of experience in the IT - Experience in Microsoft technologies — .NET, .NET Core, C#, ASP.NET MVC, ASP.NET Web API, Amazon Web Services, and Microsoft Azure. - Intermediate English - Available from 19.07