Staff Software Engineer - Full Stack & AI Architect

Runna is building the #1 training platform for runners in London. We’re hiring a Staff Software Engineer (Full Stack) to provide architectural direction across multiple squads and drive engineering excellence in a fast‑paced, mission‑driven environment.

You’ll mentor engineers, define scalable solutions, champion AI in our SDLC, and own end‑to‑end delivery from design to production across mobile and backend systems while strengthening our release processes and engineering culture.

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