Senior Software Engineer

Responsibilities

• Lead backend development, building and maintaining server-side logic
• Take real ownership of services, including deployment, operation, and production health
• Work with CloudEng to maintain production environments using OpenTelemetry, Sentry, Prometheus, and Grafana
• Participate in on-call and off-hours support rotations
• Partner with frontend and cross-functional teams on API design and data contracts
• Participate in code reviews and security/privacy reviews

Requirements

• 4+ years of experience in software development with a focus on backend technologies
• Strong experience with Python, TypeScript/Node.js, or Rust
• Proficiency with PostgreSQL and SQL query optimization
• Hands-on DevOps experience on Google Cloud Platform (GCP) with Docker-based pipelines
• Experience with observability and monitoring tools like Sentry and Grafana
• Strong engineering judgment and ownership mindset
• Experience mentoring junior engineers

Preferred Qualifications

• Experience with performance and load testing
• Experience with IaC tools such as Terraform and Kubernetes
• Open-source contributions or personal engineering projects
• Django experience

Benefits

• Performance-based bonus plans
• Medical, dental, and vision coverage
• Retirement contributions with 100% immediate vesting
• Quarterly wellness days and well-being stipends
• Home office stipend
• Annual professional development budget
• Paid parental leave

About the Company

Mozilla is a non-profit-backed technology company that builds pioneering brands like Firefox to shape the internet for the better. The company focuses on privacy, security, and open-source software to reclaim an internet built for people, not companies.