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 work experience with frontend development - Strong knowledge of Typescript - Ensuring the high performance web applications across all platforms, including desktop and mobile - Writing tested, idiomatic, and documented elements of JavaScript, HTML, and CSS - Coordinating the workflow between the Angular developers and the HTML coder and graphic designer - Cooperating with the backend developers while building the REST fuI API - Websockets - Staying in close communication with external web services - Closely worked with UI/UX designers, Wireframing - Using common methodologies (KISS, DRY, SOLID)
- 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
• 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
- 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
- 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
- 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
- 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.
- 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
- 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)
- 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
- 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
- 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
- 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
$5000/month
Expert with iOS swift/ Objective C development Nearly 2 years experience on Java Spring Boot development
- 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
- 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
- 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
$9000/month
Senior developer, team lead with more than a decade experience leading teams, architecting and launching project.
- 6+ years experience as FullStack Developer. - He has great analytical and problem-solving skills, always eager to provide his own independent view on the product being developed to improve the final solution delivered to the end-users. - Upper-Intermediate English. - Start ASAP
- 8+ years of commercial work experience in IT - Experience in developing applications using C# - Profound experience in Microsoft .NET development and associated technologies: Microsoft .NET Framework, .NET Core, MS SQL Server, Kafka, Protobuf, MongoDb and Entity framework to manage microservices ecosystem from scratch - Architecture design, OOP/OOD, SOLID, GoF/development - Experience working in Agile (Scrum) teams - Strong knowledge of data structures and algorithms - Web services development (designing various types of APIs, services/microservices) - Ability to work effectively under pressure - Good attention to details - Upper-Intermediate English
- 6 years of commercial experience in tech - Implemented live projects based on the Laravel, Adapt-Framework, native PHP, WordPress, Slim. - Experience in working with a team (2-8 people) and working alone. - Upper-Intermediate English
- 6 years of professional experience in the Information Technologies (IT) industry. - Refactoring of the existing applications. - Experience in developing applications using C#, and JavaScript. - Experience in building microservices and end event-based systems. - Experience with dependency Injection and Service Life Cycles - Developing applications using design patterns - Good knowledge of OOP, SOLID, TDD - Understanding CI/CD practices - Understanding of API/EDI technology integration - Ability to write Unit and integration tests - Upper-Intermediate English
- 4+ years of experience with Java and related technologies - Hand-on experience with Microservices architecture - Reviewed code and debugged errors to improve performance - Developed, and implemented software applications for websites based on analyzed requirements and understanding of industry technical standards - Reworked applications to meet changing market trends and individual customer demands - Upper-Intermediate English - Available ASAP
- 5+ years of experience in Python Development - 1+ years of experience with front-end development using React - Knowledge and understanding of principles and methodologies of software design - Proficiency in Python development - Deep knowledge of Web development technologies - Experience with scrapers, extracting data from sites, serializing and validating data - DevOps: Deploying an app with docker, serverless application, AWS - Have experience mentoring - Excellent knowledge of common software engineerings practices, like OO principles, modern design patterns, test-driven development, continuous integration, and continuous deployment - Experience with payment systems integrations - Upper-Intermediate English - Available ASAP
- Have 5 years experience with Java and related technology; - Experience working with Docker; - Deep skills with PostgreSQL, MySQL, MS SQL Server; - Experience working with financial projects; - Good knowledge of PayPal API; - Experience working with AWS and Google API; - Experience with Microservices; - Good logical thinking, self-learning, high level of responsibility; - Responsible, hard-working, result-oriented, creative and communicative, team player; - Upper-Intermediate English.
- 5 years of experience in the IT industry working with Java; - Experience working with banking and financial projects, fintech sphere; - Good abilities with SQL, MySQL, PostgreSQL, and RabbitMQ; - Experience with AWS and Google API; - Good knowledge of C++ and JavaScript; - Good abilities working with PayPal API; - Deep skills working with Docker; - Have experience in programming Spring Framework; - Practice with Elasticsearch (Kibana); - Upper-Intermediate English.
- Software Engineer with more than 6 years of commercial experience in software development - Interested in cloud computing, software architecture design, and efficient algorithms - Deep knowledge of Web development technologies - Excellent knowledge of common software engineering practices, like OO principles, modern design patterns, test-driven development, continuous integration, and continuous deployment - Extensive experience in building architecture and database optimization - Extensive experience in mentoring specialists, making code review - Dedicated and responsible team player - Quick learner, team player, goal-oriented and responsible - Upper-Intermediate English - Available ASAP
- 5+ year of experience in Java software development; - Have experience with Microservices; - Good logical thinking, self-learning, high level of responsibility; - Responsible, hard-working, results-oriented, creative and communicable, team player; - Good attention to detail. - Upper-Intermediate English.
- 1,5 year of experience, skilled in frontend development. Gained skills in React, Redux. - Upper-Intermediate English - Available ASAP
- 1 year of experience in software development; skilled in JavaScript, React, React Native. Confident in HTML, CSS, integration with API. High level of cross-platform development and adaptation for different devices - Intermediate English - Available ASAP
- 4+ years experience in IT. - As a Certified Magento developer with 3+ years of experience, he has developed deep expertise in the Magento e-commerce platform and PHP programming language. His track record is characterized by consistently delivering high-quality work that meets or exceeds client expectations, while also staying within budget and meeting tight deadlines. Has approached every project with a responsible and persevering attitude, working tirelessly to ensure that his work meets the highest possible standards of quality and functionality. - Upper-Intermediate English. - Start ASAP
- 1,5 year of commercial experience, skilled in frontend development. Gained string skills in React, Redux - Intermediate English - Available ASAP
- 4 years of experience in web development. Skilled in JavaScript and React, TypeScript. - Confident in HTML, CSS, integration with API. - 4 years of experience in programming - Upper-Intermediate English - Available ASAP
- 10+ years of experience in Analysis, Design, Development and Implementation of various web, stand-alone, client-server applications using Python; good Experience with Python web frameworks such as Django, Flask, Pyramid Framework, Tornado, Twisted, AioHTTP; have work experience with various Python Integrated Development Environments like PyCharm, Eclipse, Emacs; - Expertise in handling Django ORM and SQLAlchemy; experienced in developing applications using Agile Methodologies, Waterfall Methodology and Scrum stories in a python based environment; - Have knowledge in relational databases like MySQL (MariaDB),PostgresSQL, Firebird; have knowledge in NoSQL databases like Redis, MongoDB; - Upper-Intermediate English
-4 years of experience in software development; skilled in JavaScript, React and Node frameworks. - Confident in Unit Testing, HTML, CSS, integration with API. Very experienced in creating custom Bootstrap/Material UI controls according to design. -3 years of experience in Web Development -1 years of experience in Unit Testing -4 years of experience in programming - Intermediate English - Available ASAP
- 6+ years of experience as a Python Developer - Upper-Intermediate English - Available ASAP
- Software Engineer with more than 3 years of commercial experience in software development - Solid expertise in development using Golang - Experience in MVC that use Domain-Driven Design architecture - Experience in development using SOlID, DRY, KISS - Hands-on experience with third-party API integration - Upper-Intermediate English - Available ASAP
- 7 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+, jQuery and other libraries (Moment.js, etc.), Typescript, React, React Native, Redux, other React-tools (React-router, Redux-Saga, Reselect, etc.), HTML5, CSS3, LESS, SASS, Bootstrap - Back-end: Node.js, Nest.js, Express.js, Passport.js, RESTful API, socket.io - Modular, scalable, and reusable code, tests, project deployment - Upper-Intermediate English - Available from 01.06.2022
- Good experience in web development. - Strong attitude to follow engineering best practices. Open to new approaches, can argue about technical decisions. - Upper-Intermediate English - Available: ASAP
- Back-end engineer with 4+ years of commercial experience with Python - 1+ years of experience with front-end development using React - Has experience with AWS: Lambda, ECS, S3, Elasticsearch, EMR, Glue - Strong computer science expertise and commercial experience in web services architecture and development - Upper-Intermediate English. - Available ASAP
- 5+ years of experience in Python Development - Knowledge and understanding of principles and methodologies of software design - Proficiency in Python development - Deep knowledge of Web development technologies - Good communication and analytical skills - Experience with scrapers, extracting data from sites, serializing and validating data - DevOps: Deploying app with docker, serverless application, AWS - Have experience mentoring - Excellent knowledge of common software engineering practices, like OO principles, modern design patterns, test driven development, continuous integration, and continuous deployment - Experience with payment systems integrations - Intermediate English
- Back-end development and maintenance of websites using PHP and MySQL. - Experience with WordPress CMS, plugins, custom applications with Laravel framework, API integrations. - Available mid July - Intermediate English
- 10+ years of work experience with Java stack and about 5 years as Technical lead; - Deep skills working with PostgreSQL, MongoDB, and RabbitMQ; - Good knowledge of AWS; - In-depth abilities working with Docker; - Experience working with Kotlin; - Experience working with banking and financial projects; - 3 years experience as Team Lead; - Confident knowledge in development with Java Frameworks; - Experience as a cloud architect; - Experience with implementing Full Stack Features; - Hand on development of the application from the 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; - Upper-Intermediate English; - Available ASAP.
- 8 years of work experience in IT; - Experience working with Kotlin; - Good understunding of PostgreSQL; - Good skills with SQL, MySQL, and SQLite; - Experience working with banking and financial projects; - Deep skills working with Docker and Kubernetes; - Good knowledge of Python; - Functional programming (lambda calculus, typed lambda calculus, lazy evaluations, pure functions); - GRASP and GoF Patterns, UML; - Good logical thinking, self-learning, and high level of responsibility; - Intermediate English; - Available ASAP
- 10 years of software development experience - 7 years of commercial experience with TypeScript and 6 years of commercial experience with Node.js - Upper-Intermediate English - Available ASAP
- Full Stack Developer with 4 years of experience creating different projects from scratch; - Specializing in Backend development. Experienced with all stages of creating the product: from discussion with the customer, architecting, implementing, and testing, up to production; - Worked mostly with Nest JS for backend, Vue, React and Angular for frontend; - Familiar with SOLID, DRY and other clean code design principles. - Intermediate English. - Available ASAP.
- 9+ years experience as Full-stack Developer. - Full-Stack Engineer has been developing network applications, services, and websites for over five years. - Extensive experience in network application development, web services, databases, support, deployment, server configuration, and high-performance performance monitoring solutions. - Upper-Intermediate English. - Available to start ASAP