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cynosurejobs

Posted 5 Mar 2026

Frontend Engineer

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Employment
Full time
Posted
5 Mar 2026

About the role

We are looking for a Frontend Engineer with strong expertise in Next.js and modern React development to build high-performance web applications integrated with AI systems. The role involves developing scalable frontend architectures, implementing real-time communication features, and ensuring smooth AI-driven user experiences. The candidate will collaborate with backend and AI teams to integrate intelligent systems into production-ready interfaces while maintaining performance, reliability, and scalability.

Key Responsibilities:
  • Develop and deploy scalable frontend features using Next.js and React for production environments
  • Integrate frontend applications with AI back ends including real-time and streaming responses
  • Implement real-time communication systems using SSE, WebSockets, or gRPC where required
  • Design and optimize asynchronous workflows including streaming responses, retries, cancellation, and reconnection strategies
  • Ensure fast, responsive, and reliable user experiences even under high traffic and concurrency
  • Collaborate with backend and AI teams to define API contracts, payload formats, and real-time interaction models
  • Monitor and improve frontend performance including TTFB, hydration, bundle size, and caching strategies
  • Maintain clean architecture, reusable components, and well-tested code with proper version control practices


Requirements
  • 1–3 years of experience in frontend development
  • Strong expertise in Next.js (App Router preferred), React, and TypeScript
  • Solid understanding of asynchronous JavaScript including concurrency patterns and streaming UI updates
  • Hands-on experience implementing real-time systems using SSE, WebSockets, or similar technologies
  • Proven experience integrating AI/LLM features into frontend applications including streaming responses and prompt-response workflows.
  • Understanding of AI interaction patterns such as tool/function calling, error handling, and rate limit management
  • Experience optimizing frontend performance, caching strategies, and handling high-scale user interactions
  • Proficiency in Git workflows including branching, pull requests, code reviews, and conflict resolution


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