> Markdown version of [/jobs/ext/4616683-staff-software-engineer-journeys](https://www.wearedevelopers.com/jobs/ext/4616683-staff-software-engineer-journeys). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Staff Software Engineer (Journeys) - **Company:** Headway, LLC - **Location:** San Francisco, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** A/B Testing, Cloud Computing, Python (Programming Language), Software Engineering, Systems Architecture, TypeScript, ReactJS, Large Language Models, Fastapi, Event Driven Architecture, Api Design - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25303_5328e0539d2e25ca5b1efc510d08d881 ## About the Role Requires 8+ years of software engineering experience with a proven track record at the Staff level and expertise in high-volume, event-driven communication platforms. Must have experience with experimentation infrastructure and deploying LLM-powered systems in production., * System Architecture * Event-Driven Systems * Python * TypeScript * FastAPI * React * LLM Integration * A/B Testing * Multi-vendor Platform Management * Cross-functional Leadership * API Design * Cloud Infrastructure ## Description Act as the technical anchor for the Journey team, owning the architecture of the communications engine and decision layer. Design and evolve the orchestration of multi-channel communications and implement LLM-powered personalization at scale.