Hire Top Vetted Web Engineering Engineers at Upstaff - Page 5

Full-Stack Web Developer with over four years of experience, specializing in the MERN Stack and Python Django. Proven expertise in building scalable, secure web applications and teaching full-stack development principles. Experienced in both frontend and backend development, as well as cross-platform application development. Technical skills include MongoDB, Express, React, Node.js, MySQL, and AWS services. Proficient in SDLC, REST API design, and software development best practices, driving efficiency and performance improvements in web applications. Strong background in delivering in-depth training programs for aspiring software developers, contributing to their career success.

- IT experience starting in 2012; middle frontend developer since 2015. - Experience with the full lifecycle of designing, developing, installing, configuring, and maintaining applications on SharePoint 2016/2019, 2019 Online, Office 365, Power apps, Dynamics CRM, Power BI - Upper-Intermediate English

- IT experience starting in 2011. - Professional experience with the full lifecycle of designing, developing, installing, configuring, and maintaining applications on SharePoint 2007/2010/2013/2016/Online, Office 365,Power Platform (Power Apps, Power Automate), Nintex. - Upper Intermediate English

Senior Software Engineer with extensive expertise in Ruby on Rails, React, and Node.js, specializing in scalable web applications and fostering technical leadership. Details include tech lead roles, impactful feature launches, and revenue growth through strategic experiments. Demonstrated strengths in CI/CD, monitoring with tools like Datadog, and coding best practices. Holds a PMP credential and a track record in both individual contribution and team mentorship. Educational background features a Master in Systems and Computing Engineering.

Software engineer with 9+ years of experience, excelling in full stack development with expertise in JavaScript, Swift, and iOS development. Proven track record of leading successful projects, including winning multiple hackathons and developing robust blockchain-based solutions. Demonstrates strong technical leadership, having managed diverse engineering teams and fostering agile best practices. Well-versed in various technologies like Node.js, React.js, Firebase services, Ethers.js, Web3.js, and AWS, with a solid foundation in computer science from Universidad Nacional del Nordeste. The engineer's proficiency in building scalable systems for music streaming, live video monitoring, and blockchain integration positions them as a valuable asset to any team seeking deep technical expertise and innovative solutions.

A proactive and technically skilled software engineer with a BS in Computer Science from the University of Washington. Experienced in creating robust web and mobile applications utilizing advanced technologies such as Next.js, Java, Python, JavaScript, Node.js, PyTorch, and sklearn. Adept at optimizing data structures and algorithms and keen on adopting machine learning to enhance software solutions. Holds key certifications, including Oracle Java, and is committed to continuous learning. Brings a solid background in leading team operations to improve service quality and operational efficiency, with over five years of experience in supervisory roles. Eager to contribute to innovative projects in a collaborative environment.

- Senior AI Engineer with 11+ years of experience in software development and intelligent systems; - Experience in building Retrieval-Augmented Generation (RAG) pipelines using OpenAI, Mistral, and Azure AI stack (Cognitive Search, AI Speech); - Skilled in developing an AI voice/chatbot builder with RAG support, knowledge base retrieval, and CRM synchronization; - Experienced in Integrated conversational agents with Twilio, Genesys Cloud CX, and Zoho CRM for end-to-end automation; - Designed multi-agent flows using FlowiseAI, Agentflows, Vector Stores, and Memory Nodes; - Good abilities in backend development with Python, .NET, and Node.js for scalable service integration; - Experienced in front-end development with JavaScript (ES6+), React, Angular, and Vue.js; - Skilled in delivering cloud-native microservices across AWS and Azure, using Docker, CI/CD, and automation tools; - Led feature implementation and mentoring in long-term publishing and analytics systems.

- Senior AI Engineer with hands-on experience in AI and full-stack development; - Experience in building Retrieval-Augmented Generation (RAG) pipelines with Azure OpenAI and Azure Cognitive Search; - Developed multi-agent LLM workflows using FlowiseAI with Agentflows, Chatflows, and Tool Agents; - Skilled in integrated AI chatbots with telephony platforms such as Genesys Cloud CX, VoxImplant, and Twilio; - Experience in creating seamless integrations between Genesys Cloud CX, Zoho CRM, and OpenAI for automated user interactions and data sync; - Experience in backend development using Python, C#, and .NET; - Skilled with Node.js, RESTful APIs, and building scalable backend services; - Abilities front-end background with JavaScript, TypeScript, HTML/CSS, and jQuery.

A backend developer with a strong focus on Python and JavaScript, proficient in Django, and dedicated to building scalable web applications. The developer brings a hands-on approach and a background in computer science education with coursework completed at prestigious institutes such as CS50x at Harvard University. Commended for a robust engineering foundation, particularly in RESTful APIs, SQL databases, and automation, they are an asset in modern software development environments. Their technical prowess is complemented by an education in business studies, augmenting their technical skillset with strategic acumen. With a dedication to clean code, continuous learning, and effective collaboration, this developer is poised to contribute significantly to dynamic teams in the tech industry.

"I'm a passionate Front-End Web Developer skilled in HTML, CSS, and JavaScript, creating responsive, user-friendly websites. I focus on clean design, functionality, and delivering seamless user experiences."

Software engineer with a robust background in full-stack development and proven expertise in Java and Python. Demonstrated success in architecting and implementing high-transaction APIs with low latency in Java/Spring Boot, and optimizing ETL pipelines using Python/Airflow. Experience includes substantial cost reductions and performance enhancements in cloud environments, AI-driven application development, and leading large-scale software migrations and modernization projects. Holds a master's degree in Computer Science and possesses advanced certifications from prominent institutions, encompassing Java, AWS, and Docker, accompanied by a strong foundation in Agile methodologies.

Software Engineer with 4+ years of experience specializing in Electronics and Communication Engineering, with a solid background in AI/ML, automation, and efficient database management. Known for developing an AI Interviewer Bot at Infosys and enhancing system performance at Accenture, including a 98% reduction in manual workload through Python scripting. Skilled in Python, PL/SQL, C#, and cloud technologies, with expertise in building REST APIs and deploying machine learning models. Recognized for leading a migration from Jenkins to GitHub Actions, optimizing batch processing by 75%, and holding certifications such as GCP Associate Cloud Engineer. With a B.Tech in Electronics and Communication, complemented by a Nanodegree in Programming for Data Science, this engineer stands out with a blend of technical prowess and innovative problem-solving abilities.

- Ruby on Rails Developer with over 10 years of progressive experience, specializing in architecting and developing scalable web applications across diverse industries including healthcare, legal services, finance, and e-commerce. - Demonstrated expertise in leading development teams of up to 10 members while maintaining optimal workflow and fostering knowledge sharing. - Proven track record in designing and implementing complex technical solutions for multi-platform applications serving US, Canadian, and European markets. - Proficient in full-stack development with strong capabilities in Ruby on Rails, React JS, GraphQL, REST APIs, and various database technologies including MySQL and MongoDB. - Experienced in agile methodologies with a focus on test-driven development, code quality, and documentation maintenance. - Adept at requirements analysis, task estimation, and project planning to ensure timely delivery of high-quality software products.

- Senior Software Developer & Architect with 14+ years of experience designing scalable software solutions, leading teams, and optimizing system performance. - Expertise in Ruby, JavaScript, and cloud-based architectures (AWS, DigitalOcean, Docker). - Specializing in e-commerce platforms, payment systems integration, microservices architecture, search optimization, and IoT device integration, including video streaming and motion detection algorithms. - Passionate about architecting high-performance applications, integrating IoT solutions, AI technologies, and leading cross-functional engineering teams to drive innovation and scalability.

- 10+ years of experience in the IT industry as a Ruby on Rails Engineer - Demonstrated expertise in full-stack development, contributing to projects across the entire software development lifecycle, from planning and architecture to implementation and optimization. - 5+ years of experience as a DevOps engineer: Preparing AWS /Hetzner environment for application clusters, Creation scripts to automate application cluster infrastructure, Creation/configuration via Terraform, Dockerizing applications - 1 year of experience as a Team Lead: mentoring, training, coordination of jun devs and co-workers, Handling client requirements, Resolving problems and issues on the project

- Senior Full-Stack Developer with 12+ years of experience in software engineering; - Certified in .NET Microservices, Scrum Master, and Python Programming; - Skilled in building scalable web applications using .NET (Core, 6–9), C#, and ASP.NET; - Strong experience in microservices architecture, CQRS pattern, and RESTful API design; - Familiar with Vertical Slice architecture and Domain-Driven Design principles; - Proficient in front-end development with Vue.js, Angular, Kendo UI, and SASS; - Experience with modular frontend architecture using single-spa; - Hands-on experience with Microsoft Azure (App Service, Container Registry, Azure SQL); - Implemented CI/CD pipelines using Azure DevOps, Azure Pipelines, Git, and Kubernetes; - Worked with SQL Server, NoSQL databases, SignalR, WireMock.NET; - Familiar with Node.js and PHP for backend tasks and system integration.

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.

- Experienced in React Native: Developed and delivered multiple React Native mobile applications, including a KenZen App and a Furniture Design Time-Tracking App, integrating Firebase, Redux, animations, and state management. Over 4.5 years of experience with React Native - Full-Stack Development in Fintech: Led fintech real estate app development, handling both front-end (ReactJS, Styled-Components) and back-end (NodeJS, MongoDB) while managing CI/CD pipelines and real-time updates. - Senior Developer in Web & Mobile Apps: Designed and implemented scalable mobile and web applications, ensuring high code quality, debugging, and managing releases on App Store and Play Market. - Developed e-commerce web solutions using Vue and Vuex, collaborating with back-end and QA teams, - Experienced in Docker, GitHub Actions, and Linux server management, optimizing deployment pipelines and application performance. - Intermediate English

Passionate Senior Software Engineer with 7 years of experience excels in building complex web applications leveraging mastery in languages such as JavaScript, TypeScript, C#, Go, and Python. Renowned for architecting a legal SaaS platform yielding a 40% operational efficiency boost and pioneering AI-powered chatbot integration, showcasing a 30% reduction in case handling efforts. Adept in cloud services (AWS, Azure, GCP), microservices, and CI/CD with an Agile mindset, drives collaboration and continuous improvement. Holds a solid foundation with a Bachelor's degree in Computer Science from NTUA, cementing technical prowess in the software industry through contributions to large-scale projects that enhance user experiences, performance, and reliability.

- Full-Stack Developer with 4+ years of experience in software engineering; - Skilled in building responsive UI using React, Next.js, TypeScript, Tailwind, and MUI; - Strong experience in Java and Spring Boot for back-end development; - Proficient in API development, integration, and optimization for performance; - Experienced with PostgreSQL, MySQL, and Oracle for database management; - Familiar with Node.js for scripting and backend tasks; - Hands-on experience with unit and integration testing using Jest, React Testing Library, and JUnit; - Solid understanding of SDLC, CI/CD, and application deployment processes.

- 5+ years of experience in IT - Upper-Intermediate English - Available ASAP

- 5+ years of commercial experience in IT - Experience in developing web applications using JavaScript (React, Redux) - Deep knowledge of HTML, CSS, TypeScript - New functionality development - Communicative, responsible, hardworking, result-oriented - Experience from simple sites to huge projects for companies - Good attention to details - Good logical thinking and team play - Intermediate+ English. - Availability starting from ASAP.

- Front-end developer with the overall experience in web engineering for over 3 years. - Intermediate English. - Available ASAP.

- Versatile React Native Developer with 5+ years of experience in delivering robust mobile applications, with a deep understanding of the React ecosystem and modern front-end development. - Holds a solid foundation in software engineering with a Bachelor's degree in Economics, specializing in Accounting and Audit, adding a strong analytical dimension to programming skills. - Proficient in an array of technologies including JavaScript, TypeScript, ReactJS, Redux, Expo, NodeJS with Express, and associated libraries and tools. - Demonstrated expertise in the full software development lifecycle (SDLC), object-oriented programming (OOP), Model-View-Controller (MVC) pattern, Test-Driven Development (TDD), and Behavior-Driven Development (BDD). - Adept in integrating payment solutions such as Stripe, engaging with APIs, and developing cross-platform applications that enhance user experience. Familiar with web development technologies like HTML5, CSS, and cloud services. - Contributed to diverse projects ranging from live nature cams, NFT galleries, healthcare, e-commerce, to social media marketing, demonstrating versatility and the ability to adapt to varied domains. - Team player with intermediate English communication skills, facilitating collaboration with global teams and ensuring alignment with project goals.

- React.js and React Native Expertise: Over 5 years of dedicated experience, showcasing proficiency in building mobile applications and admin panels. - Proficient in TypeScript: Demonstrated use of TypeScript across multiple projects, enhancing application scalability and maintainability. - Redux and Mobx for State Management: Extensive application of Redux and Mobx in project development, ensuring efficient state handling. - Diverse UI Frameworks Knowledge: Employed Material UI, Ant Design UI, and react-native-paper, reflecting versatility in user interface design. - GraphQL and REST APIs Integration: Integrated GraphQL and RESTful services for optimal data retrieval and management in applications. - Solid JavaScript ES6/ES7 Skills: Consistent use of modern JavaScript standards in development projects, forming the basis of his React Native work. - Experienced in Redux-saga and Redux-thunk: Utilized Redux-saga and Redux-thunk for managing complex asynchronous operations in various applications. - Upper-Intermediate English -Available ASAP

- 7+ years IT professional in front-end web development in the field of web-oriented applications for startups, midsize businesses, and large enterprises from various industries. - Expert in React. - Follow React updates. - Good knowledge of TypeScript and JavaScript. Have fully and deep understanding of UX/UI design implementation into HTML layout. - Experienced in different approaches, front-end engineering principles, and concepts. - Knowledge in functional programing, service-based fronted development, OOP based on prototypes, Unit testing (TDD). - Upper-intermediate 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

- 6+ years of experience as a Front-End Engineer, specializing in web application development with Next.js, TypeScript, and JavaScript; - 3+ years of experience with React; - 2+ years of experience with Angular; - UI/UX: Expertise in building interactive and responsive user interfaces with Tailwind CSS, Material-UI, and Styled Components; - State Management: Proficient in Redux, Zustand, and React Context API; API Integration: Hands-on experience with REST API and GraphQL for data fetching and processing; - Testing: Writing unit and integration tests using Jest and React Testing Library; - Methodologies: Agile, Scrum, code reviews, and CI/CD processes; - Experience working on e-commerce, SaaS, and fintech projects within international teams; - Strong focus on performance optimization, user experience improvements, and close collaboration with backend developers.

Software engineer with 9 years of professional experience specializing in front-end development and React Native. Expert in building robust mobile apps and web applications using technologies such as ReactJS, NextJS, Redux, GraphQL, and Firebase.

- Profound knowledge of HTML5/CSS3 including preprocessors, understanding of responsive web design, and proficiency with nactive JavaScript & Frameworks. - Previously worked for Samsung, Hyundai, Mitsubishi as a technical engineer - Upper- intermediate English - Available ASAP

- He is a full-stack developer with over 8 years of experience, specializing in front-end development. - His expertise spans a wide range of modern technologies, including leading frameworks like React, Vue, and Angular on the front end, and Express, Nest, and Meteor with MongoDB on the backend. - For the past 5 years, his primary focus has been on creating seamless user interfaces using React. He brings extensive experience in implementing data-driven chart dashboards, designing front-end architecture, and actively participating in various product phases as required.