Drimva

Letta

Software Engineer, Agent Harness

San Francisco Office · Full-time · Posted Sep 3, 2024

About the job

Develop Letta’s open-source agent framework and cloud service, building production-grade backend services and APIs for AI agents.

What you'll do

  • Develop Letta’s open-source agents framework and cloud service.
  • Design scalable, resilient backend services and APIs for Letta Cloud.
  • Work with researchers to support bleeding-edge agent architectures.

What they ask for

  • Strong proficiency with Python.
  • Strong understanding of architecting services for security, reliability, and performance.
  • Ability to build scalable backend services.
  • Strong understanding of SQL databases, specifically Postgres; familiarity with AI tooling and LLM provider APIs is also requested.

Nice to have

  • Proficiency with TypeScript, React, or Tailwind.

Tools

Python, Postgres, vLLM, Ollama, OpenAI, Anthropic, TypeScript, React

AI focus

Build and support agent frameworks and cloud services, working with researchers on bleeding-edge agent architectures.

Model-written summary · the original posting is authoritative

First seen Oct 10, 2026 · Last verified Nov 5, 2026 (UTC)