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.
Work with Firefox engineering, Cloud Engineering, IT, and other teams to solve problems that span technical and organizational boundaries.
Use telemetry, metrics, and data analysis to investigate problems and guide engineering decisions.
Contribute to architecture and technical strategy, identifying recurring problems and solutions applicable across teams.

Requirements

Strong programming skills in languages such as Python or JavaScript/TypeScript; experience with C++ or Rust is useful.
Experience building, deploying, and operating production systems in cloud environments, including infrastructure as code like Terraform.
Knowledge across areas such as CI/CD, containers and orchestration, networking, databases, observability, or developer tooling.
Experience using data, telemetry, and metrics to investigate technical problems and make decisions.
Familiarity with modern AI-assisted development tools and understanding their capabilities, limitations, and appropriate use.

Comfortable jumping into unfamiliar systems and stabilizing them.
Enjoy working across projects and technical domains, taking ownership and identifying patterns to improve processes.
Ability to work effectively across disciplines and translate between software, infrastructure, and operational concerns.
Combine hands-on engineering with systems thinking and long-term technical judgment.
Open, consistent, and respectful communicator who enjoys teaching and helping others build technical skills.

Generous performance-based bonus plans for eligible employees.
Comprehensive medical, dental, and vision coverage.
Generous retirement contributions with 100% immediate vesting regardless of employee contributions.
Quarterly all-company wellness days.
Country-specific holidays plus a day off for your birthday.
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, Employee Assistance Program, varying by country.