Founding Engineer (Full-stack)

Note: This role is for a client. You must apply here to be considered.About the jobJob Title: Founding Engineer (Full-Stack)Salary: $140K – $200K • 0.75% – 1.5%Location: San Mateo, CA — in-personThe Company:Seed-stage startup backed by a Tier 1 VC, building an enterprise AI-adoption platform. They help large enterprises turn their AI investments into real, day-to-day adoption and measurable ROI.They’re already in production with global enterprise customers across professional services, finance, and data, with over a dozen other enterprises in their pipeline.The Founders:An ex-FAANG ML and data-science leader who built machine-learning and quantitative models to forecast revenue and surface the biggest drivers and risks across a multi-billion-dollar advertising business.A repeat founder with research experience in agentic AI and inference-time scaling, and an active community builder.The Role:This is a full-stack role with the highest degree of agency. In a single week you might ship an agentic feature, harden a piece of core infrastructure, and put a new view in front of a customer. You'll work directly with the founders, move fast, and help set the technical foundations the rest of the team builds on.What you'll ship in your first 6–12 months:Agentic product: Build and refine the in-workflow coaching experience — the agents and logic that guide employees through real tasks and turn successful runs into reusable playbooks.Core infrastructure: Stand up the data and platform layers that capture usage signals and power adoption and ROI measurement at enterprise scale, with the reliability and controls that enterprise rollout demands.Customer-facing product: Ship the dashboards and interfaces that show leaders how AI is being used, where it's driving impact, and where more enablement is needed — iterating quickly on what real customers tell you.The Interview Process:Apply through this postingIntro call with a founderA conversation with both founder2–3 hour in-person working session on real problems1-day work trialThe ideal candidate:Writes production-ready, full-stack code. Early-career to senior all welcome.Strong with TypeScript, React, Next.js, backend APIs, and Postgres.Has built LLM-powered features in production, not just prototyped with them.Native with AI coding agents (Claude Code, Codex); ideally some agentic-systems experience (not required), with the judgment to know what's worth building and what to cut.Production habits: CI/CD, testing, observability, pragmatic system design.Obsessive about customer needs — comfortable debugging, writing tests, and jumping on a pilot call.Bonus: experience building browser-based automation or developer/enterprise tools.