What you'll be doing

Design, build, deploy, and operate software and systems supporting Firefox engineering.
Contribute to developer tooling, CI/CD, workflow automation, and AI-assisted development tools.
Own complex technical problems end-to-end across software, cloud, and operational layers, improving reliability, performance, observability, and cost efficiency.
Collaborate with Firefox engineering, Cloud Engineering, IT, and other teams to solve cross-disciplinary problems.
Use telemetry, metrics, and data analysis to investigate issues and guide engineering decisions.
Contribute to architecture and technical strategy by identifying recurring problems and reusable solutions.

Requirements

Strong programming skills in Python or JavaScript/TypeScript; experience with C++ or Rust is beneficial.
Experience building, deploying, and operating production systems in cloud environments, including infrastructure as code (e.g., Terraform).
Familiarity with multiple domains such as CI/CD, containers and orchestration, networking, databases, observability, or developer tooling.
Experience using data, telemetry, and metrics for problem investigation and decision making.
Understanding of modern AI-assisted development tools, including their capabilities and limitations.

Versatility in working across projects and technical domains with the ability to take ownership.
Comfort in jumping into unfamiliar systems and bringing them to a sustainable state.
Effective cross-disciplinary communication skills translating between software, infrastructure, and operational concerns.
Combination of hands-on engineering and systems thinking with strong technical judgment.
Open, respectful communication and a willingness to teach and help others develop technical skills.

Generous performance-based bonus plans for eligible employees.
Comprehensive medical, dental, and vision coverage.
Generous retirement contributions with 100% immediate vesting.
Quarterly all-company wellness days.
Country-specific holidays plus a birthday day off.
One-time home office stipend.
Annual professional development budget.
Quarterly well-being stipend.
Considerable paid parental leave.
Employee referral bonus program.
Additional benefits including life/AD&D, disability, and employee assistance program, varying by country.