Frontend Engineer (React)

Frontend Engineer (React)

Location: Bengaluru (In-Office)

Experience: 3–5 Years

Type: Full-time

At Persistence, we’re building AI voice agents for businesses, turning product knowledge into fast, reliable, always-on customer experiences. We’re a fast-moving startup focused on building modern, scalable products, and we’re looking for a Frontend Engineer who cares deeply about performance, clean code, and great UX.

You’ll work closely with backend engineers and product teams to build fast, reliable, and beautiful user interfaces that power real products.

What you’ll do

• Build high-quality web applications using React
• Manage server state using React Query
• Use React Hooks and Context API to create scalable state management
• Write clean, maintainable, and well-structured code
• Build responsive and polished UI with modern CSS
• Optimize frontend performance through lazy loading, memoization, and efficient rendering
• Work closely with backend APIs and product teams
• Improve developer experience and frontend architecture

What we’re looking for

• 3–5 years of frontend development experience
• Strong experience with React
• Deep understanding of Hooks and Context API
• Experience with React Query
• Strong JavaScript / TypeScript skills
• Good understanding of CSS and responsive UI
• Experience optimizing frontend performance
• Ability to own features end-to-end

Nice to have

• Experience with Next.js
• Experience with design systems or component libraries
• Experience with testing frameworks
• Startup experience

What matters most

• You write clean, readable code
• You care about performance and UX
• You can move fast and own problems
• You enjoy building real products

If this sounds like you, we’d love to hear from you.

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