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React.js developer

ZealTech
San Leandro, CA Contractor
POSTED ON 2/24/2026 CLOSED ON 3/1/2026

What are the responsibilities and job description for the React.js developer position at ZealTech?

Role: React Developer

Type: Hybrid | Contract (C2C )

Location: San Leandro, CA

Onsite interview Must

Job Summary:

We’re seeking a talented React.js Developer to build and enhance user interfaces for modern web applications. The ideal candidate will have strong skills in JavaScript, React, Redux, and front-end optimization, with a passion for clean, efficient, and scalable code.

Responsibilities:

  • Develop and maintain responsive UI components using React.js.
  • Collaborate with the team to translate UI/UX designs into functional applications.
  • Optimize front-end performance and troubleshoot issues.
  • Implement state management using Redux or similar frameworks.
  • Ensure code quality, reusability, and maintainability.
  • Participate in performance testing and documentation.

Requirements:

  • Bachelor’s degree in Computer Science or related field.
  • Proven experience as a React.js Developer.
  • Strong proficiency in JavaScript, HTML, and CSS.
  • Experience with React tools (Redux, Webpack, Enzyme, Flux).
  • Familiarity with testing tools like Jest or Mocha.
  • Strong debugging and performance optimization skills.
  • Excellent communication and problem-solving abilities.

Hourly Wage Estimation for React.js developer in San Leandro, CA
$59.00 to $69.00
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