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 that can be applied 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 utilizing infrastructure as code such as Terraform.
• Experience 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 an understanding of their capabilities, limitations, and appropriate use.

Nice to haves:

• Comfortable jumping into unfamiliar systems and getting them into a sustainable state.
• Enjoy working across projects and technical domains, taking ownership of problems and looking for patterns to simplify future challenges.
• Ability to work effectively across disciplines and translate between software, infrastructure, and operational concerns.
• Combine hands-on engineering with systems thinking and longer-term technical judgment.
• Communicate openly, consistently, and respectfully, and enjoy teaching and helping others build skills in unfamiliar technical areas.

Perks and benefits:

• Generous performance-based bonus plans for eligible employees.
• Rich 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.
• Other benefits including life/AD&D, disability, EAP, varying by country.