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Closed on July 26, 2026.

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Careerswift

Frontend Developer (React) Junior/Mid

Careerswift
San Francisco, CA Full time Posted 2mo ago
API Entry Level Frontend Frontend Framework JavaScript Midlevel React Software Development Software Engineering TypeScript
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Job Description

Frontend Developer (React) role in San Francisco, onsite, at middle level, focused on building and maintaining responsive, high-performance web applications with React.

Responsibilities

  • Build and maintain responsive, high-performance web applications using React.
  • Collaborate with designers and backend engineers to implement new features.
  • Optimize UI performance.
  • Write clean, maintainable code.

Requirements

  • 3+ years of experience with React
  • 3+ years of experience with JavaScript or TypeScript
  • 3+ years of experience with modern CSS frameworks
  • 3+ years of experience with REST or GraphQL API integration

Technologies

  • React
  • JavaScript
  • TypeScript
  • CSS frameworks
  • REST
  • GraphQL

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