> Markdown version of [/jobs/ext/4620944-principal-software-engineer](https://www.wearedevelopers.com/jobs/ext/4620944-principal-software-engineer). 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). --- # Principal Software Engineer - **Company:** Healthfirst - **Location:** Concord, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Unit Testing, Google Cloud, Technical Debt, Integration Tests - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25303_c654f6190718df1c9fde2fefc9db40d0 ## About the Role * Ability to thrive both independently and as part of a tight-knit team * The reliability that lets a manager stop checking in * Comfort being accountable for an inclusive outcome in a full-time role * Comfort with the full-time cadence of a Concord-based operation * 8 or more years steering technology projects end to end * Hands-on experience with modern Cross-Functional Collaboration workflows and tooling * Hands-on technology experience that holds up to follow-up questions ## Description * Write the Unit Testing integration tests that catch regressions before Concord, CA ships them * Profile and refactor legacy code to reduce technical debt over time * Reach into legacy Google Cloud modules and leave them cleaner than you found them * Lead technical design reviews for principal technology initiatives * Re-architect the technology flow so Google Cloud handles ten times Concord's current load * Deliver principal-quality features within the $200,000 - $282,000 Principal Software Engineer mandate * Turn HealthFirst Medical Group's Cross-Functional Collaboration on-call noise into alerts that actually mean something * Stand up observability so HealthFirst Medical Group sees failures before customers in CA do