> Markdown version of [/jobs/ext/1335890-ui-engineer](https://www.wearedevelopers.com/jobs/ext/1335890-ui-engineer). 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 Engineer - **Company:** Princeton IT Services - **Location:** New York, NY, United States - **Experience:** Expert - **Salary:** $83,200.0 - $104,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Performance Management, HTML5, Build Automation, Automation of Tests, Cascading Style Sheets (CSS), Cloud Computing, Code Review, Continuous Integration, Software Debugging, Software Design Patterns, Github, Design of User Interfaces, Responsive Web Design, Software Engineering, Systems Integration, TypeScript, Web Applications, ReactJS, Delivery Pipeline, Backend, Material UI, Information Technology, Playwright, Front End Software Development, Restful APIs, Software Version Control - **Published:** July 18, 2026 - **Apply:** https://www.careerjet.com/jobad/usa299c4ab62dd1550fea007b49d120625 ## About the Role * Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent professional experience. * Strong experience with React. * Proficiency in JavaScript and TypeScript. * Strong knowledge of HTML5 and CSS3. * Experience integrating front-end applications with REST APIs. * Experience using GitHub and following source control best practices. * Hands-on experience with CI/CD pipelines. * Experience with automated testing frameworks, preferably Playwright. * Strong understanding of responsive web application development. * Experience implementing modern front-end architecture and design patterns. * Excellent problem-solving, analytical, and communication skills. Preferred Qualifications * Experience building enterprise-scale web applications. * Experience working in cloud-native environments. * Familiarity with Agile/Scrum development methodologies. * Knowledge of front-end performance optimization and accessibility best practices. * Experience collaborating with distributed development teams. Required Skills * React * JavaScript * TypeScript * HTML5 * CSS3 * REST API Integration * GitHub * CI/CD Pipelines * Playwright (Preferred) * Responsive Web Application Development * Modern Front-End Architecture * Source Control Best Practices Preferred * Experience building enterprise-scale web applications. * Experience working in cloud-native environments. ## Description We are seeking a talented UI Engineer to design and develop modern, responsive web applications for enterprise-scale solutions. The ideal candidate will have strong expertise in React, JavaScript/TypeScript, and modern front-end development practices. This role involves building intuitive user interfaces, integrating with REST APIs, implementing automated testing, and collaborating with cross-functional teams to deliver high-quality, cloud-ready applications. Key Responsibilities * Design, develop, and maintain responsive, high-performance web applications using React. * Build reusable, maintainable, and scalable UI components using JavaScript/TypeScript. * Develop responsive user interfaces using HTML5 and CSS3. * Integrate front-end applications with RESTful APIs. * Implement modern front-end architecture and design patterns to ensure scalability and maintainability. * Write clean, efficient, and well-documented code following engineering best practices. * Develop and maintain automated UI tests using Playwright or similar testing frameworks. * Manage source code using GitHub and follow version control best practices. * Participate in CI/CD processes to automate build, testing, and deployment workflows. * Collaborate with UX/UI designers, backend developers, product owners, and QA teams to deliver exceptional user experiences. * Troubleshoot, debug, and optimize application performance across browsers and devices. * Participate in code reviews and contribute to continuous improvement initiatives., Join a dynamic team as a Frontend Software Engineer, where you will play a crucial role in developing exceptional user interfaces for high-impact customer projects. Your expertise … + 6 days ago, Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. 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