TL;DR
100x.bot, a Y Combinator-backed startup building resilient browser automation agents, is hiring a founding frontend engineer in Bangalore. The role demands deep React and TypeScript expertise to build real-time visualizations, a recorder Chrome extension, and dynamic UIs driven by the Model Context Protocol.
What happened
100x.bot — backed by Y Combinator, Accel and Inventus and founded by Shardul Lavekar (ex-Airtel AI, ex-Ola) and Parth Mudgal (ex-Flipkart, ex-Ola) — posted an opening for a founding frontend engineer based in Koramangala, Bangalore. The company says it combines record-and-replay techniques with LLM-driven semantics to make browser agents faster and more reliable. The hire will be responsible for architecting the client-side ‘cockpit’ for autonomous agents: a graph-based agent visualization engine that shows logic flows, dynamic interfaces that adapt to Model Context Protocol (MCP) schemas without redeploys, and a high-performance streaming UI that renders large logs at 60fps using virtualization and atomic state libraries. The role also covers refining a Chrome Extension recorder overlay using Shadow DOM. Compensation is described as competitive salary plus significant YC-standard equity. Applicants are asked to email their GitHub and a link to a complex UI they built.
Why it matters
- Frontend work will directly shape how users control and inspect autonomous browser agents, influencing trust and usability.
- Solving high-frequency UI rendering and real-time visualization challenges is key to making agents practical for production use.
- The role sits at the intersection of browser extension constraints, web-scale logs, and ML-driven workflows — a technically demanding combination.
- As a founding hire at a YC-backed startup, the engineer would gain early product ownership and equity in a focused team.
Key facts
- Location: Koramangala, Bangalore, India.
- Compensation: Competitive salary plus significant equity described as 'YC Standard'.
- Founders: Shardul Lavekar (ex-Airtel AI, ex-Ola) and Parth Mudgal (ex-Flipkart, ex-Ola).
- Investors listed: Y Combinator, Accel, and Inventus.
- Role: Founding Frontend Engineer / Frontend Craftsperson focused on autonomous agents.
- Frontend tech stack: React, TypeScript, Next.js; styling with Tailwind and Shadow DOM considerations.
- State & performance tools: Zustand / TanStack Query, virtualization libraries (e.g., react-window) and atomic state approaches.
- Protocols & integration: Model Context Protocol (MCP), WebSockets, and Chrome Extension APIs.
- Candidate expectations: 2+ years React expertise, strong TypeScript, systems thinking, attention to micro-interactions, and high agency.
- How to apply: Email GitHub link and a link to a complex UI the applicant has built.
What to watch next
- Exact equity percentage and total compensation breakdown — not confirmed in the source.
- Whether the role supports remote or hybrid work arrangements — not confirmed in the source.
- Timing for hiring or expected start date — not confirmed in the source.
Quick glossary
- Model Context Protocol (MCP): A schema-driven protocol for exposing model tools and context so clients can adapt UIs or interactions dynamically.
- Shadow DOM: A browser feature that encapsulates DOM and CSS to prevent style and script collisions between embedded components and host pages.
- Virtualization (UI): A rendering technique that displays only visible portions of a large list or stream to reduce DOM nodes and maintain performance.
- WebSocket: A persistent, full-duplex network protocol used to send real-time messages between client and server.
- DOM snapshot: A captured state of a webpage's Document Object Model at a point in time, useful for debugging and replaying interactions.
Reader FAQ
How do I apply?
Email the hiring contact with your GitHub and a link to a complex UI you built, per the posting.
What compensation is offered?
The posting cites a competitive salary plus significant YC-standard equity.
Is remote work allowed?
not confirmed in the source
What experience is required?
The company asks for at least two years of React expertise and strong TypeScript skills, along with systems thinking and attention to UX detail.
Will I work with the founders?
Yes; the posting says candidates will work directly with founders Shardul Lavekar and Parth Mudgal.
Location: Bangalore, India (Koramangala) Compensation: Competitive Salary + Significant Equity (YC Standard) Founders: Shardul Lavekar (ex-Airtel AI, ex-Ola) & Parth Mudgal (ex-Flipkart, ex-Ola) At 100x.bot, we are building the interface…
Sources
- 100x (YC S22) Is Hiring a Founding Front End Engineer
- Looking for a front end engineer to join our Bangalore team
- 100x
- Frontend Developer at Bot MD
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