Hire Vetted Web Application Engineers at Upstaff - Page 10

- 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

Proven Full-Stack Engineer with over 7 years of experience in building robust, secure, and scalable systems. Has a strong background in team leadership and project management, ensuring timely delivery within scope and budget. Holds a Master's degree in Computer Engineering complemented by advanced technical skills across a myriad of technologies including AWS, TypeScript, JavaScript, React, Node.js, and Microservices. Experienced with a variety of databases such as SQL, MongoDB, and DynamoDB, and tools like Docker, Kubernetes, and Terraform for DevOps. Demonstrates a keen ability to integrate third-party services and has a solid foundation in continuous integration and delivery practices.

- 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

● 9 years of Ruby on Rails development ● Extensive knowledge in web and mobile development lifecycle ● Skilled in agile and waterfall project management methodologies, SCRUM experience ● Accountable, communicable, dedicated team player, self-motivated, conscientious, creative individual, well-experienced in troubleshooting, able to learn quickly and effectively ● Upper-Intermediate English ● Computer Systems Analyst (Master's degree)

- 6+ years of experience in the IT industry - Intermediate English - Available 2-4 weeks

- Senior Software Engineer/Team Lead (6 years of experience) - Software engineer ready for any team or business need with strong IT knowledge and natural leadership talents. - Dedicated to enabling team members to exceed business targets. - Initiating projects, setting up baseline architectures, finalizing deployment procedures & end to end development including managing costs, schedule, and performance. - Managing multiple teams to lead them to outperform others and to give positive outcomes in terms of successful milestones deliveries and project completion. - Achieved project deadlines by coordinating with contractors to manage performance. - Monitored automated build and continuous software integration process to drive build/release failure resolution. - Wrote code and developed tools and integrations to meet cross-platform user needs. - Wrote and maintained custom scripts to increase system efficiency and performance time

- 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

- 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

Seasoned Fullstack Web Developer with 4 years of specialized experience in the MERN stack, demonstrating solid expertise in REACT, NODE, EXPRESS, and MONGO DB technologies. Proficient in crafting efficient web applications and contributing to all phases of the SDLC, as evidenced by several successful web projects. Skilled in utilizing modern development tools like Vite, Postman, JSON, Git, and RESTful practices. Adept at leveraging frontend technologies such as React with HMR and Babel/SWC for expedited updates. Holds an educational foundation in Hospitality and Tourism Administration, complemented by coding bootcamp expertise. Technical prowess is further underlined by practical knowledge in Figma, JavaScript, SQL Server, and responsive web design, making them a standout candidate for frontend or fullstack roles in dynamic development environments.

- 22+ years experience in the IT industry as a back-end engineer; - 22 years of experience working with Java; - 10 years of experience working with Python; - 5 years of experience working with Microsoft Azure; - 7 years of experience working with React; - Deep skills working as a full-stack developer; - Strong experience working with Oracle Database; - 2+ years of experience working with Zeebe; - Good skills with Camunda; - Good skills with Scala; - Experience working with JavaScript; - Deep abilities working with Angular; - Experience working with RabbitMQ; - 2 years of experience working in a multinational financial services company; - Good knowledge of working with Microsoft SQL Server, MySQL, Oracle Database, SQL, MongoDB; - Deep skill working with AWS (ElasticSearch, EC2, Lambda, S3, EKS); - Good abilities with Google Cloud Platform (GCP); - Proficient in using Docker, Kubernetes, and Kafka; - Fluent in English, Intermediate German, and Intermediate French.

- 12+ years of experience in the IT industry - 10 years of experience with Angular.JS - Advanced English - Available ASAP

- 6+ years of experience in the IT industry - 5+ years of experience with Angular - 2 years working with Angular.JS 1.x - Fluent English - Available ASAP

- 3 years of professional experience using front-end and back-end technologies - Front-end: React, Redux, React query, Context API, React Hooks, HTML, CSS(SCSS), BEM, MaterialUI, AntDesign, Firebase, Angular 7+, RxJs - Back-end: NodeJS (Express, NestJS), REST API, Docker - Knowledge of PostgreSQL, MongoDB, MySQL databases - Intermediate English - Available ASAP

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.

- 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

- Experienced Front-End Developer with 4 years of background in front-end development, building scalable, high-performance web applications. - Experienced in React, Angular, and TypeScript state management (Redux Toolkit, RxJS), API integration (GraphQL, REST), and performance optimization for enhanced user experience. - Skilled in designing responsive UIs (Material-UI, SCSS) and implementing secure authentication systems (JWT, role-based access control). - Adept at performance optimization, reusable component development, and real-time data visualization. - Strong collaborative mindset, working closely with UI/UX designers, backend teams, and stakeholders to deliver seamless and efficient front-end solutions.

Computer Science graduate with a record of developing full-stack systems to combat web misinformation, leveraging technologies such as LangChain, FastAPI, and MongoDB. Engineered secure REST APIs in Node.js with JWT for the SplitSmart App, optimizing database performance and spearheading documentation. Conceived a mental health mobile app with real-time chatbot support in Flutter, demonstrating user-experience acumen. Compiled practical experience as a Mobile Money Agent, evidencing proficiency in transaction handling and regulatory compliance. Academically grounded from the University of Malawi, with engagement in leadership roles and proactive community development. Well-versed in Python, Java, JavaScript, along with AI/ML, this candidate is poised for tackling complex challenges in backend development, API design, and system integration.

Software Engineer with 3+ years expertise in full-stack development, focusing on backend and API integrations. Proficient in Python and JavaScript, with strong experience in Django, Django REST Framework, and FastAPI. Comprehensive knowledge of relational and NoSQL databases, with advanced skills in MySQL. Demonstrable success deploying scalable web solutions on AWS with Docker and maintaining codebases with Git. Practical application of Agile/Scrum methodologies, and a proven track record of producing maintainable, well-documented code for data-driven applications, automated systems, and AI-powered tools. Holds a Bachelor's degree in Computer Science and multiple certifications, showcasing a commitment to professionalism and continuous learning in software engineering.

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.

- 4+ years of experience in the IT industry as a full-stack engineer - FRONT-END: deep knowledge of JavaScript, ES6+, React, Redux, other React tools (Redux-Thunk, React-query, etc.), Material-UI, HTML5, CSS3, BEM, LESS, SASS, Bootstrap, Webpack, Vite, Jest, Lodash - BACK-END: Node.js, Typescript, Express.js, NestJS, REST API, Postgres, Docker, Google, Facebook auth - Intermediate English - Available ASAP

• 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

With over 9 years of experience, the engineer has established a strong reputation in full stack development, exhibiting prowess in Python, Django, React JS, and front-end JavaScript technologies. They have a proven track record in leading and developing scalable web applications, showcasing competencies in database schema design, backend logic, API creation, and performance optimization. Their educational foundation in Computer Sciences is complemented by their ability to work in team environments, driving projects to successful completion and mentoring junior developers. The engineer possesses practical knowledge of cloud services, version control, data scrapping tools, CI/CD pipelines, and has actively contributed to various projects, demonstrating technical agility across domains such as e-commerce, HR management, sentiment analysis, and more.

- 6 years experience with Python - Proficiency with Python, SQL, ETL, AWS Services. - Experience with scraping data (tiki, lazada, shopee, aliexpress), Amazon Dropshipping Business projects, e-commerce platforms, platforms of digital data. - Location: Vietnam

Software engineer with over 10 years of experience, specializing in web accessibility and backend development. Holds professional working proficiency in English and native level Ukrainian, with understanding of Polish and basic German. Holds Deque University certifications, showcasing depth in web accessibility knowledge. Successful track record in leading the web accessibility audit & design team and founding Inclusive IT, a company dedicated to testing websites for WCAG 2.1 standards. Technical contributions include valid cross-browser HTML/CSS coding. Experience also includes managing inclusive education projects and developing software solutions with C++, Qt, and Python/Django.

With over a decade of specialized experience in frontend development and accessibility engineering, this candidate stands out for their expertise in creating inclusive digital environments compliant with WCAG standards. Their deep understanding of user-centric design is reflected in their proficiency with HTML, CSS, TypeScript, and modern frameworks such as Angular and React. They have a proven track record in performing detailed accessibility audits, leveraging assistive technologies and testing tools to enhance project compliance with European and international laws. The candidate's front-end development experience is complemented with practical proficiency in using ARIA patterns, semantic HTML, and establishing keyboard navigation practices. Their portfolio includes close collaboration with cross-functional teams to successfully implement fixes and features that significantly improve user accessibility, ensuring rigorous adherence to accessibility audits and VPAT documentation.

- Backend and data engineer with ops skills and an interest in front-end development; - Experienced in Ruby on Rails, Elixir, Python, Node JS, React, and Vue; - Proficient in designing and implementing microservices and APIs; - Skilled in working with distributed systems and databases; - Strong focus on writing clean, efficient, and tested code; - Experienced in CI/CD, code quality, and automatic delivery and deployment; - Familiar with Agile methodologies and working in SCRUM teams; - Upper intermediate English.

- 6+ years of work experience in a variety of exciting projects, working at all stages of the development cycle. - Excel at working on modular systems and using current development practices to assure that every project works in the most efficient manner and is adaptive to any new enhancements required.

- 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.