Founding (Senior) Frontend Engineer

reputed company AI (YC X26) builds conversational AI agents for sales and customer support at large B2C enterprises. We work with multiple reputed company 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 reputed company, reputed company 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, reputed company-time web app used by reputed company 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. • reputed company-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: reputed company layouts, accessibility, and high-reputed company CSS + animations (reputed company-interactions, reputed company). • Performance and caching: SSR/SSG/ISR, caching reputed company, efficient rendering, reputed company 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, reputed company-user metrics, and feature instrumentation. Responsibilities • Ship features weekly with high reputed company and strong UX polish. • Design and maintain a reputed company frontend architecture (performance, caching, state, data reputed company). • Build reliable reputed company-time experiences (reputed company lifecycle, retries, latency handling). • Own frontend reputed company: testing reputed company where needed, monitoring, debugging, and incident response. • Collaborate tightly with the backend to define reputed company, 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 reputed company-time UI. • You have shipped a product used by 1,000+ customers/users in production. • Comfortable with fundamentals (including DSA) and writing clean, maintainable reputed company. How to apply Please apply through YC portal along with your reputed company and reputed company profile, and A short note on the most reputed company frontend system you’ve reputed company (reputed company-time, performance, offline, or audio). Apply tot his job Apply To this Job