New Products Principal Engineer

permanent
Fully Remote

Only accepting applications from: United States

  • Define and communicate the long-term technical roadmap for the browser-automation stack.
  • Write elegant, high-performance code daily in languages such as Go, Ruby on Rails, and TypeScript.
  • Design distributed, fault-tolerant services and developer-facing SDKs/APIs.
  • Own cloud infrastructure, CI/CD pipelines, security, and observability.
  • Grow, mentor, and inspire a world-class engineering team.
  • Conduct thoughtful code reviews and establish the engineering culture.
  • Collaborate closely with product, design, and developer-relations teams.
  • Translate complex technical trade-offs into clear language for stakeholders.

Experience

  • 10+ years of software engineering experience building high-performance developer tools, SDKs, or distributed systems.
  • At least 3 years leading technical teams or large projects.
  • Expert-level proficiency in at least two of Go, Ruby (Rails), Python or TypeScript/JavaScript.
  • Proven track record architecting and shipping complex, high-throughput systems.
  • Deep understanding of browser internals, automation frameworks, and secure web interaction paradigms.
  • Experience with AI/ML workflows or agent frameworks.
  • Strong focus on code quality, testability, performance, and operational excellence.

Salary and Perks

Pay range: $184K - $288K

  • Generous performance-based bonus plans.
  • Rich medical, dental, and vision coverage.
  • Generous retirement contributions with 100% immediate vesting.
  • 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 vary by country.

About Mozilla

Mozilla’s staff designs, builds, and distributes software that allows people to enjoy the internet on their own terms.

Mozilla’s staff designs, builds, and distributes software that allows people to enjoy the internet on their own terms.

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