Founding Engineer

Type: Full-time permanent contract or an Internship with a potential follow-up offer Location: San Francisco or remote with future relocation to San Francisco (sponsored) Start: ASAP ABOUT US

• We're building state-of-the-art context compression. Our mission is to become the "Cloudflare for LLMs" — a compression layer embedded into most LLM pipelines by default.
• We're a team of ex-EPFL MSc/Ph. Ds from dlab. We started by publishing papers, then got into YC and started making money helping companies cut their LLM costs.
• We run the business like a research lab: form hypotheses, kill the ones that don't work, double down on the ones that do.

ABOUT YOU

• A cracked full-stack engineer who enjoys a high-paced startup environment, takes pride in what they build and owns it end to end.
• Solid understanding of cloud infrastructure, deployment, and production systems on AWS.
• Python/basic ML Ops skills. Experience in scaling AI infra products is a plus.
• Proactive, strong communicator with fast response time, team player TECH REQUIREMENTS
• Strong backend engineering fundamentals
• Experience with concurrency and distributed systems
• Experience deploying and scaling production backend services on AWS
• Ability to work across systems (Python + light frontend)
• Excellent Claude Code (or similar) user NICE TO HAVE
• Open-source contributions
• Startup experience
• OAuth / API auth flows STACK
• Backend: Python, FastAPI, PostgreSQL (Supabase), Redis, AWS
• Frontend: Next.js, React, TypeScript
• Tools: GitHub, Docker, Sentry, GitHub Actions INTERVIEW PROCESS

1. Intro call (20 min)
2. Practical technical interview (60 min)
3. Cultural interview (30 min)