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Kelly is hiring: (W2 ONLY) Sr. UI Developer – React / Angular | GenAI & LLM in R

Kelly · Rutherford, US, USA ·

Job type:
Full Time

We are looking for a highly experienced Senior UI Developer to design and develop modern, responsive, and scalable web applications. The ideal candidate will have strong front-end development experience with React and/or Angular, excellent JavaScript skills, and the ability to collaborate closely with backend developers and UX teams.

Key Responsibilities

  • Design, develop, and enhance modern web applications and user interfaces.
  • Build reusable, scalable, and maintainable UI components.
  • Collaborate with backend developers, UX/UI teams, and other technical stakeholders.
  • Develop responsive and high-performance applications using modern front-end technologies.
  • Participate in application architecture, technical design, and development discussions.
  • Integrate front-end applications with backend services and REST APIs.
  • Troubleshoot, optimize, and improve application performance and responsiveness.
  • Contribute to secure and scalable front-end solutions.
  • Work with emerging technologies, including Generative AI and LLM-based solutions, where applicable.

Required Qualifications

  • 8+ years of professional UI / front-end development experience.
  • 2+ years of hands-on React experience is required.
  • Strong experience with React and/or Angular.
  • Strong knowledge of JavaScript and/or TypeScript.
  • Solid experience with HTML5 and CSS3.
  • Experience developing modern, responsive web applications.
  • Strong understanding of reusable UI components and front-end development practices.
  • Excellent communication and collaboration skills.

Preferred Qualifications

  • Experience with Angular and modern JavaScript libraries/frameworks.
  • Experience with Spring Boot or working closely with Java/Spring backend teams.
  • Experience integrating applications with REST APIs.
  • Exposure to Generative AI, LLMs, or AI-powered applications.
  • Experience with full-stack development is a plus.
  • Experience working in enterprise-scale application environments.