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Sr. UI Developer ( React )

Fynbosys IncIrving, TX🇺🇸United StatesPosted 3 Aug 2026

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

Job Summary

We are looking for an experienced Senior UI Developer (React) with 10+ years of overall software development experience and deep expertise in building modern, scalable, and high-performance web applications. The ideal candidate should have strong hands-on experience with React.js, modern JavaScript, front-end architecture, performance optimization, and mentoring development teams.

Key Responsibilities

  • Design, develop, and maintain scalable web applications using React.js.
  • Build reusable, maintainable, and responsive UI components.
  • Translate UI/UX designs into pixel-perfect, cross-browser compatible interfaces.
  • Develop complex single-page applications (SPAs) using modern React practices.
  • Optimize application performance, accessibility, and responsiveness.
  • Collaborate with Product Managers, UX Designers, Backend Developers, and QA teams.
  • Write clean, maintainable, and testable code following best coding practices.
  • Conduct code reviews and mentor junior developers.
  • Troubleshoot production issues and implement scalable solutions.
  • Participate in Agile ceremonies including sprint planning, daily stand-ups, and retrospectives.

Required Skills

  • 10+ years of software development experience.
  • 7+ years of hands-on experience with React.js.
  • Strong proficiency in JavaScript (ES6+), TypeScript, HTML5, and CSS3.
  • Experience with Redux, Redux Toolkit, or Context API.
  • Strong knowledge of React Hooks, Functional Components, and Component Lifecycle.
  • Experience with RESTful APIs and API integration.
  • Proficiency with responsive design using Bootstrap, Material UI, Tailwind CSS, or similar frameworks.
  • Experience with state management libraries.
  • Knowledge of Webpack, Vite, Babel, and modern build tools.
  • Experience with Git, GitHub, or Bitbucket.
  • Strong understanding of browser compatibility, performance optimization, and debugging techniques.
  • Familiarity with unit testing frameworks such as Jest and React Testing Library.
  • Experience working in Agile/Scrum environments.

Skills

Material UI
Scrum
Agile
Babel
Bootstrap
CSS
Git
JavaScript
Jest
React
Redux
Tailwind CSS
Testing Library
TypeScript
Vite
Webpack

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