About Cignara

AI voice & chat agents for sales and customer support at large B2C enterprises.

Tech description:

Building voice and chat AI agents that handle billions of calls and chats / year.

Job description:

**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).

Skills:

CSS, React, TypeScript, Next.js

Cignara remote jobs

Founding (Senior) Frontend Engineer