> Markdown version of [/jobs/ext/3137494-ui-full-stack-developer](https://www.wearedevelopers.com/jobs/ext/3137494-ui-full-stack-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # UI Full Stack Developer - **Company:** Technologent, Inc. - **Location:** Phoenix, AZ, United States - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Computer-Aided Design, Web Accessibility, Application Programming Interfaces (APIs), Agile Methodology, Applications Architecture, Application Performance Management, HTML5, Automation of Tests, Browser Compatibility, Cascading Style Sheets (CSS), Cloud Computing, Code Review, Computer Programming, Software Debugging, Electronic Data Interchange (EDI), Human-Computer Interaction, Spring Framework, Node.Js, NoSQL, Object-Oriented Software Development, Performance Tuning, Scrum Methodology, Next.js, Responsive Web Design, Software Engineering, SQL Databases, TypeScript, Web Applications, Web Application Frameworks, Data Processing, Enterprise Software Applications, ReactJS, Spring-boot, Backend, Git, AngularJS, Material UI, Solid Principles, Information Technology, Front End Software Development, Restful APIs, Software Version Control, Microservices - **Published:** September 29, 2026 - **Apply:** https://careers.technologent.com/careers/73765/jobs/16859179-Senior-UI-Full-Stack-Developer/apply ## About the Role * Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline. * 8+ years of professional experience in software development with significant full-stack engineering experience. * Strong hands-on experience developing enterprise applications using Java, Spring, and Spring Boot. * Strong front-end development experience with React.js, Next.js, Angular, or comparable modern JavaScript frameworks. * Strong programming knowledge in JavaScript and TypeScript. * Strong understanding of HTML5, CSS3, responsive layouts, and modern browser technologies. * Experience developing and consuming RESTful APIs and microservices. * Experience integrating front-end applications with backend services and enterprise APIs. * Strong understanding of object-oriented programming, software design principles, and application architecture. * Experience working with relational and/or NoSQL databases. * Experience writing automated tests including unit, integration, and UI tests. * Strong understanding of web application performance, accessibility, security, and cross-browser compatibility. * Experience with Git-based source control and modern software development workflows. * Strong debugging, troubleshooting, analytical, and problem-solving capabilities. * Experience working in Agile/Scrum development environments., * Experience developing large-scale enterprise applications using React.js, Next.js, or Angular. * Experience building reusable component libraries and front-end design systems. * Experience with Node.js and server-side JavaScript development. * Experience working with modern API and microservices architectures. * Experience with application performance optimization across both front-end and backend layers. * Knowledge of web accessibility standards and accessible application development. * Experience implementing responsive applications across desktop, tablet, and mobile devices. * Experience with automated testing frameworks and modern development quality practices. * Experience with CI/CD pipelines and automated application deployments. * Familiarity with cloud-based application development and enterprise application environments. * Experience participating in technical architecture, design reviews, and application modernization initiatives. * Experience mentoring developers and establishing engineering standards across development teams. ## Description The Opportunity: We are seeking an experienced Senior UI Full Stack Developer to build and enhance enterprise web applications across both front-end and backend layers. This role will focus on modern UI development, Java-based backend engineering, API and microservices integration, application architecture, testing, performance, accessibility, and responsive web experiences., * Build scalable and reliable backend applications using Java, Spring, and Spring Boot. * Develop modern web applications using React.js, Next.js, Angular, and related front-end technologies. * Create responsive and reusable user interface components that support consistent application experiences across enterprise platforms. * Connect front-end applications with REST APIs, backend services, and microservice-based architectures. * Work closely with UX designers, product teams, architects, and developers to convert functional and visual requirements into working application features. * Develop reusable front-end components, application patterns, and UI structures using modern JavaScript frameworks. * Apply strong knowledge of JavaScript, TypeScript, HTML5, CSS3, and responsive web development. * Build interfaces that provide strong accessibility, usability, browser compatibility, responsiveness, and application performance. * Develop and maintain backend APIs and services using Java, Spring Framework, and Spring Boot. * Design application integrations using RESTful services and microservices to support business functionality and data exchange. * Work with SQL and NoSQL databases, including data modeling, query development, application connectivity, and data processing. * Participate in application architecture discussions, technical design, code reviews, and implementation planning. * Analyze application issues and perform debugging, performance tuning, and production troubleshooting across the UI and backend layers. * Develop clean, maintainable, modular, reusable, and testable application code following established development standards. * Create and maintain unit, integration, API, and automated UI tests to ensure application stability and functional reliability. * Work within Agile development teams, participating in sprint planning, refinement, development, testing, reviews, and release activities. * Collaborate with cross-functional engineering teams to identify technical issues, develop solutions, and deliver application enhancements. * Mentor junior and mid-level developers and contribute to improving front-end, backend, and full-stack development standards. * Support continuous improvement of application architecture, development processes, coding practices, and overall engineering quality. ## Related Videos - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Web development best practices in 2021](https://www.wearedevelopers.com/videos/280-web-development-best-practices-in-2021) - [Can SVG be fast? 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