Composio
Member of Technical Staff - Platform Eng
sf · On-site · Staff · Full-time · Posted Feb 10, 2026
About the job
Build and improve the platform infrastructure that connects AI agents to workplace tools, including APIs, execution runtimes, and performance optimization.
What you'll do
- Evolve platform primitives and APIs for authentication, refreshes, triggers, tool search and planning, and sandbox orchestration.
- Manage code-execution runtimes across lambdas and Firecracker; optimize performance, databases, and Temporal workflows.
- Work with product teams and customers to improve the platform, and write clear documentation.
What they ask for
- Extensive experience scaling backend distributed systems and maintaining reliability while shipping quickly.
- Experience building with and for language models.
- Comfort working in a Linux environment.
- Ability to write clear documentation and explain complex ideas.
Nice to have
- Multiple years of experience writing Typescript or Go.
- Contributions to a major open-source project; founding companies or building large side projects.
Tools
Github, Gmail, Notion, Salesforce, lambdas, firecracker, Temporal, Typescript
AI focus
Build infrastructure that enables agents to communicate with workplace tools; experience building with and for language models is sought.
Model-written summary · the original posting is authoritative