
Senior Software Engineer - Engineering Workflow and CI
Mozilla is hiring a Senior Software Engineer on the Engineering Workflow and CI team to improve Firefox development workflows, CI/CD, automation, and developer productivity. Role responsibilities include building services (Python), front-end work (JavaScript), collaborating across distributed teams, mentoring, code review, and producing dashboards and data-driven insights. Required skills include Python (and frameworks like FastAPI/Flask/Django), cloud services (GCP/AWS), REST, SQL/databases, CI systems (GitHub Actions, CircleCI), and cross-platform development. Remote UK; listed hiring range £65,000–£87,000 GBP.













