Elevate your career with Mozilla as a Senior Backend Engineer on the Ecosystem Services Team. Contribute to backend systems that power Firefox and prioritize privacy and security. In this role, you'll own backend services, ensuring their reliability and health in production.

Collaborate closely with frontend engineers and product managers while leveraging tools like OpenTelemetry and Grafana for monitoring. Your expertise will be vital in maintaining cloud infrastructure and managing production environments to deliver seamless experiences to millions of users worldwide. Key Responsibilities:
Lead backend development and maintain server-side logic
Manage and operate services end to end
Collaborate with CloudEng for improved production settings




Participate in on-call support and incident resolution
Engage in code and security reviews across projects Requirements:
4+ years in software development focusing on backend
Proficient in Python, TypeScript/Node.js, or Rust
Hands-on experience with PostgreSQL and cloud services
Familiarity with monitoring tools like Sentry and Grafana
Proven ownership mindset in production service management Bring your backend engineering skills to Mozilla and help shape a better internet for everyone.

📌 Senior Backend Engineer At Mozilla Toronto
🏢 Mozilla
📍 Toronto