Senior Frontend Engineer (Los Altos)

Company Overview

Cheiron is a Stanford‑founded AI company building an AI‑native operating system for the pharma, biotech, and broader life sciences industry.

Since launching in 2024, we’ve rapidly grown our global user base. In Korea, we reached 22% of industry users within six months and are now used across 200+ pharma and biotech companies as we continue to scale quickly.

About the Role

We’re looking for a Lead Frontend Engineer to own and drive Cheiron’s frontend. Cheiron’s value ultimately comes together in what users actually experience—how fast the product responds, how reliably it conveys AI results, and how clearly it makes sense of complex workflows. The frontend of an AI product faces a different class of problems than typical SaaS: streaming responses, source and citation display, multi‑step task states, error and retry flows, and user feedback loops. You’ll design and build the interfaces that let users trust AI agents and put them ...