Mozilla

Senior Software Engineer

Mozilla
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2 months ago
Remote, CanadaSenior

Responsibilities

  • Lead backend development by building and maintaining server-side logic.
  • Own services end to end, including deployment, production operations, and service health.
  • Maintain and improve production environments with Cloud Engineering, including monitoring and alerting.
  • Participate in on-call and off-hours support, triaging incidents, resolving production issues, and investigating bug reports.
  • Rotate into support work involving releases, dependency updates, and stakeholder requests.
  • Design APIs and data contracts in partnership with frontend and cross-functional teams.
  • Participate in code reviews and security and privacy reviews.
  • Apply AI-assisted development tools thoughtfully while maintaining engineering judgment.

Requirements

  • 4+ years of software development experience focused on backend technologies.
  • Strong professional experience with Python, TypeScript/Node.js, or Rust for backend services.
  • Experience with PostgreSQL, SQL query optimization, relational schema design, and migrations using a query builder such as Knex.
  • Hands-on DevOps experience with Google Cloud Platform and Docker-based build and deployment pipelines.
  • Experience with observability and monitoring tools such as Sentry and Grafana.
  • Experience owning and operating services in production, including on-call or off-hours support.
  • Experience mentoring junior engineers and driving improvements in code quality, testing, and engineering processes.
  • Preferred experience with performance or load testing, Terraform, Kubernetes, open-source contributions or personal engineering projects, and Django.

Benefits

  • Performance-based bonus plans for eligible employees
  • Medical, dental, and vision coverage
  • Retirement contributions with 100% immediate vesting
  • Quarterly company wellness days
  • Country-specific holidays and a birthday day off
  • One-time home office stipend
  • Annual professional development budget
  • Quarterly well-being stipend
  • Paid parental leave
  • Employee referral bonus program
  • Life/AD&D, disability, and EAP benefits varying by country
  • Remote role, indicated by #LI-REMOTE
Mozilla

About Mozilla

1,001-5,000 employees

Mozilla builds open-source internet software, best known for the Firefox web browser, plus privacy tools like a VPN, password manager, and identity services. Its products are largely free and monetized through search partnerships and paid subscriptions, serving consumers, developers, and enterprises building for the web. Founded in 2005 and headquartered in San Francisco, Mozilla Corporation is wholly owned by the non-profit Mozilla Foundation.

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