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# Senior Platform Engineer - In-Person (SF/Presidio)

- **Company:** SAUNA LLC
- **Location:** San Francisco, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** TypeScript, Backend
- **Published:** November 7, 2026
- **Apply:** https://www.juju.com/job/28_25197_d0f124c85ff9983c755739b5529c1639

## About the Role

This is a hands-on, production role with ownership from day one. The ideal candidate has shipped stateful backends, debugged concurrency and retries, and is proficient in TypeScript.

## Description

Sauna by Wordware in San Francisco (Presidio) seeks a senior backend engineer to build and own the runtime that coordinates sessions across tools and calendars. You will decide when work should be modeled as actors or jobs, and ensure long-running processes deploy smoothly through code changes.