# Member of Technical Staff - Platform Eng

**Company:** [Composio](https://hotfix.jobs/companies/composio)
**Location:** San Francisco, CA
**Role:** DevOps / SRE
**Skills:** Distributed Systems, Linux, TypeScript, Go, AWS Lambda, Firecracker, Temporal, Language Models, APIs, Tracing
**Posted:** 2026-02-10

> Builds and scales platform infrastructure enabling AI agents to integrate with tools like GitHub and Salesforce. Evolves APIs, manages code runtimes, optimizes performance, and collaborates with product teams on backend distributed systems.

## Job Description

## Responsibilities
- Evolve platform primitives and APIs: auth, automatic refreshes, triggers, tool search, tool planning, orchestrating and managing sandboxes.
- Manage multiple runtimes for code execution across lambdas and firecracker.
- Performance optimization: tracing, CPU/heap profiling, profiling, optimizing db queries, optimizing temporal workflows.
- Work closely with product engineering teams and customers to win their workloads, improving the product in the process.
- Writing articulate docs.

## Requirements
**Must haves:**
- Core platform engineering.
- Worked extensively in scaling backend distributed systems.
- Know how to maintain reliable systems while shipping fast.
- Able to hold many different parts of the platform in mind at once.
- AI native: built with language models, built for language models.
- Linux: comfortable in a Linux environment.
- Typist: can write docs well and explain complex ideas clearly.
- Human: build trust and admit what you don’t know.

**Optional:**
- Multiple years of experience writing TypeScript, Go.
- Contributions to a major open source project.
- Started companies or built large side projects.

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**Apply:** https://hotfix.jobs/jobs/8e60bd23-ba55-4878-983b-bac739aa0df3
**Canonical:** https://hotfix.jobs/jobs/8e60bd23-ba55-4878-983b-bac739aa0df3