Startups · AI

Founding Engineer

Compresr · San Francisco · Remote

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About Compresr

Compresr is an LLM context-compression API: send long context plus your query, get back a shorter context that keeps the answer-bearing tokens and drops the rest. Cut token cost and latency; at light compression, match or beat full-context accuracy. Python... Backed by Y Combinator.

About the role

Type: Full-time permanent contract or an Internship with a potential follow-up offer A cracked full-stack engineer who enjoys a high-paced startup environment, takes pride in what they build and owns it end to end.

What they're looking for

  • 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
More about this role

Type: Full-time permanent contract or an Internship with a potential follow-up offer

Start: ASAP

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/PhDs 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.

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

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

Open-source...

Read the full posting on Compresr's site ↗

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