Senior Backend Product Engineer (AI Research Workspace)

An AI startup is creating a new kind of workspace in which knowledge workers use language models to carry out research at huge scale, through a simple interface. Behind it sits purpose-built infrastructure that runs very large numbers of agents in parallel, and the company needs a senior engineer to help solve the unusual problems that come with that.

What you’ll tackle

Prevent race conditions when an enormous number of agents write to the same data model at once

Stream agent outputs in real time from every backend service to the client

Balance each agent’s write speed against how much memory it consumes

Own whole projects as the primary contributor, from design through production deployment

Design and run distributed services in production

Explain complex ideas clearly and keep everyone aligned, even in difficult conversations

Profile

Five to ten years as a software engineer with a consistent record as lead individual contributor on medium and large projects

Production experience shipping and owning backend or distributed-systems code, in Go, C++ or similar; backend-leaning generalists are welcome

Evidence of real technical depth, such as custom indexing, concurrency or low-level systems work

Colleagues treat you as the person who helps debug problems and answers questions

Familiarity with Go, Redis, pub/sub, RPC, Postgres, S3 or Temporal is a plus

We value demonstrated skill over title or ladder-climbing

On-site in New York, NY. Visa transfers and new sponsorships are both considered.