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Frontend Developer

TestCrew | Quality Engineering & Software Testing
Riyadh, KSA
Full Time
Senior
1 months ago
TypeScriptReactWebSocketsSSEPlaywrightNext.js
Free

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Summary

  • Lead frontend architecture for complex, production grade web applications that integrate with distributed backends and real time services.

Responsibilities

  • Design scalable, maintainable web applications
  • Lead architecture for state management, data fetching, and rendering performance
  • Build real time UIs using WebSockets, SSE, and streaming APIs
  • Improve performance, reliability, error handling, and observability
  • Debug complex browser, performance, and real time issues
  • Define API contracts and resilient integration patterns with backend teams
  • Drive frontend standards: testing, code quality, deployment

Required

  • Deep frontend experience at production scale
  • Strong TypeScript, React, and modern frontend architecture
  • Experience with state management, rendering performance, and large codebases
  • Experience with async data flows and real time UI patterns
  • Strong production mindset: reliability, observability, maintainability
  • Strong browser tooling debugging skills
  • Automation testing for frontend (Playwright)

Preferred

  • Next.js, and modern build systems
  • Real time UI via SSE, WebSockets
  • WebRTC and media state handling

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