Build privacy-focused backend services at Mozilla using Python, TypeScript, Node.js, or Rust while owning production systems end to end.

As a Senior Software Engineer on the Ecosystem Services Team, you will develop server-side logic and integrations. You will maintain cloud infrastructure, APIs, data contracts, and service reliability. Collaboration spans frontend engineers, product managers, Cloud Engineering, UX, and design partners.

Key Responsibilities:

- Lead backend development and maintain server-side application logic
- Deploy, operate, monitor, and improve services in production
- Investigate incidents during on-call and off-hours support rotations
- Maintain monitoring and alerting with OpenTelemetry, Sentry, Prometheus, and Grafana
- Contribute to API design,



reviews, security, and privacy assessments

Requirements:

- Four or more years of backend-focused software development experience
- Skilled experience with Python, TypeScript, Node.js, or Rust
- PostgreSQL, SQL optimization, schema design, and migrations proficiency
- Google Cloud Platform and Docker deployment experience
- Experience mentoring engineers and operating production services

Apply backend engineering judgment, cloud operations, and service ownership to Mozilla platforms serving millions of users worldwide.

📌 Senior Backend Software Engineer (Canada)
🏢 liv
📍 Canada