Demo

Frontend Developer

Extend Information Systems Inc.
San Diego, CA Contractor
POSTED ON 1/26/2026 CLOSED ON 2/25/2026

What are the responsibilities and job description for the Frontend Developer position at Extend Information Systems Inc.?

Job Title: Front End Developer

Job Location: Mountain View, CA / San Diego, CA(Hybrid)

Duration: Long Term Contract



Job Description

  • Build modular, reusable, and well-tested UI components using React.js and modern JavaScript/TypeScript.
  • Collaborate with product managers, designers, and backend teams to deliver seamless user experiences.
  • Integrate RESTful APIs and GraphQL services with optimized data flows.
  • Ensure frontend performance, SEO optimisation, and adherence to Intuit’s design systems.
  • Implement state management using Redux, Context API, or Recoil.
  • Build automated tests using Jest, React Testing Library, Cypress, or equivalent tools.
  • Participate in Agile ceremonies (sprint planning, standups, retrospectives).
  • Follow CI/CD processes and collaborate with DevOps for smooth deployments.

Required Skills & Experience

  • Strong hands-on expertise with:
  • React.js (hooks, functional components)
  • JavaScript (ES6 ), TypeScript
  • HTML5, CSS3, SASS/LESS
  • Experience with Redux, Redux Toolkit, or other state management libraries.
  • Strong understanding of responsive design, cross-browser compatibility, and web performance optimization.
  • Experience with REST APIs, GraphQL, and client-side caching.
  • Proficiency with Webpack, Babel, Vite or similar build tools.
  • Familiarity with unit testing / UI automation frameworks.
  • Experience working in CI/CD pipelines (GitHub Actions, Jenkins, CircleCI, etc.)

Salary : $55 - $62

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