Building one universal AI assistant for all your work.

Staff Backend Engineer

San FranciscoOn-site$250K - $300K5 - 10 years
Your mornings will involve designing low-latency orchestration layers that shuttle context between OpenAI models and complex user workflows. From there, you will architect the persistent memory systems and integration APIs that let an AI assistant reliably execute multi-step tasks. This is foundational infrastructure for a well-backed early-stage team where your technical decisions directly shape the product core.

What they're looking for

  • 5-10 years of backend engineering experience, with recent depth in distributed systems
  • Fluency in integrating large language models and handling the intricacies of LLM API orchestration
  • Proven ability to design and own core platform architecture from scratch
  • Comfort operating as a senior technical anchor inside a small, highly collaborative team
  • Based in San Francisco and willing to work on-site full-time

Tech stack

OpenAI

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This role is one we're recruiting for on behalf of a client company; the client's identity is kept confidential at this stage. A Fluency recruiter will follow up with details.