Software Engineer, Agent Harness
LettaAI Agents company
San Francisco, United StatesMid
Felicis Ventures
Essence VC
Sunflower Capital
Jeff Dean
Clem Delangue
Cristobal Valenzuela
Software Engineering
About the role
TL;DR
Develop and maintain agent systems and backend services for Letta's AI platform.
- •As a Software Engineer, you will bridge the gap between bleeding-edge agent systems and production-grade software for running agents in real applications.
- •Key Responsibilities Develop Letta's OSS agents framework and cloud service Design scalable & resilient backend services and APIs to support Letta Cloud Work with researchers and support bleeding-edge agent architectures in Letta Requirements Strong proficiency with Python Strong understanding of how to architect services for security, reliability, and performance Ability to build scalable backend services Strong understanding of SQL databases (Postgres) Familiarity with tooling across the AI stack, such as inference engines (e.g. vLLM, Ollama), and LLM provider APIs (OpenAI, Anthropic) Proficient with TypeScript, React, Tailwind, etc. (the modern stack for web applications)
Required skills
PythonPostgreSQLOpenAI APIAnthropic API
Nice-to-have skills
TypeScriptReactTailwind
Domain expertise
ai
Tech stack
PythonPostgreSQLTypeScriptReactTailwindOpenAI APIAnthropic API