Bujo AI (YC X26) builds conversational AI agents for sales and customer support at large B2C enterprises. We work with multiple Fortune 500 companies and are funded by Y Combinator. We are profitable and fast-growing. Based in San Francisco, USA. Founded by Nalin Gupta -2x YC founder, one exit in self-driving cars, Forbes 30 Under 30, IIT Kharagpur alum.
The role
This is a founding frontend role. You will own the product UI and frontend architecture end-to-end, shipping a high-performance, real-time web app used by enterprise customers. You will work closely with the founder and backend/AI team.
• Compensation: Rs. 40 – 60 lakh/year
• Heavy equity (founding role, YC-backed)
• Fully remote (India-based)
What you’ll build
• A production-grade web app in Next.js + React + TypeScript.
• Real-time interfaces using WebSockets for live sync and event-driven UI.
• Audio and voice workflows: browser-based voice capture, audio streaming, live transcription UI.
• Polished UI: responsive layouts, accessibility, and high-quality CSS + animations (micro-interactions, motion).
• Performance and caching: SSR/SSG/ISR, caching strategy, efficient rendering, code splitting, CDN patterns.
• Robust state and sync: Redux / Zustand / Jotai, offline-first or local-first patterns, IndexedDB.
• Deep browser integrations: Web Audio API, MediaRecorder, Service Workers, PWA capabilities.
• Production observability: error tracking, performance monitoring, real-user metrics, and feature instrumentation.
Responsibilities
• Ship features weekly with high quality and strong UX polish.
• Design and maintain a scalable frontend architecture (performance, caching, state, data flow).
• Build reliable real-time experiences (connection lifecycle, retries, latency handling).
• Own frontend quality: testing strategy where needed, monitoring, debugging, and incident response.
• Collaborate tightly with the backend to define APIs, payloads, and reliability standards.
Requirements
• 4 to 5+ years of frontend engineering experience.
• Strong skills in React, Next.js, TypeScript, and modern JavaScript.
• Excellent CSS fundamentals and comfort with animations and UI polish.
• Firm grasp of state management patterns and tradeoffs.
• Solid understanding of caching and performance optimization.
• Hands-on experience with WebSockets and real-time UI.
• You have shipped a product used by 1,000+ customers/users in production.
• Comfortable with fundamentals (including DSA) and writing clean, maintainable code.
How to apply
Please apply through YC portal along with your LinkedIn and GitHub profile, and A short note on the most complex frontend system you’ve built (real-time, performance, offline, or audio).
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