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Senior Software Engineer - Engineering Workflow and CI

Backend Developer • Senior • Remote • Vollzeit • 📍 Remote Germany

Mozilla is hiring a Senior Software Engineer for its Engineering Workflow and CI team, which builds the applications Firefox developers use to develop, build, test, and deliver Mozilla's core products. The role focuses on improving Firefox development workflows to reduce time spent testing and debugging test failures. This is a remote position (hiring range listed for Germany: €68,000-€91,000).

Responsibilities

  • Improve Firefox development workflows to reduce time spent testing and debugging test failures, with more integration and automation
  • Work with a geographically distributed development team
  • Mentor other team members and be mentored by more senior team members
  • Collaborate with other teams by providing code review and technical direction
  • Look at data, build dashboards, and identify trends in the Firefox development workflow

Requirements

  • Proven Python skills, including building services
  • Front-end development experience, including JavaScript proficiency
  • Experience with Python frameworks (e.g., FastAPI, Flask, Django), cloud services (e.g., GCP, AWS) and REST
  • Solid understanding of databases and SQL
  • Experience with CI/CD systems (e.g., GitHub Actions, CircleCI) and test harnesses
  • Comfortable working cross-platform, familiar with at least two of Windows, Linux, Mac, Android
  • A passion for enhancing developer productivity

Nice to have

  • A deep understanding of version control systems
  • Experience with containerization and continuous delivery/deployment, particularly with Docker
  • Experience with CI of large-scale projects
  • Comfortable with data analysis

Soft skills

Welcoming differencesBeing relationship-mindedPracticing responsible participationHaving gritMentoring and collaboration across teams

What we offer

  • Performance-based bonus plans for all eligible employees
  • Rich medical, dental, and vision coverage
  • Generous retirement contributions with 100% immediate vesting
  • Quarterly all-company wellness days
  • Country-specific holidays plus a day off for your birthday
  • One-time home office stipend
  • Annual professional development budget
  • Quarterly well-being stipend
  • Considerable paid parental leave
  • Employee referral bonus program
  • Life/AD&D, disability and EAP benefits (varies by country)
  • Hiring range for Germany: €68,000-€91,000 EUR

About the company

Mozilla Corporation is the non-profit-backed technology company behind Firefox, the privacy-minded web browser, with more than 225 million people using its products each month. Wholly owned by the non-profit Mozilla Foundation, the company is mission-driven rather than beholden to shareholders, and builds open-source software with a globally distributed team.