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Senior Staff Performance Engineer, Firefox

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Senior Staff Performance Engineer, Firefox in Remote

  • Mozilla
  • Full time
  • Email
  • Worldwide

Responsibilities

  • Write code and tests, build prototypes, and profile and analyze Firefox performance bottlenecks.
  • Develop performance-critical software using primarily C++ and JavaScript, with other languages as needed.
  • Debug and resolve performance issues using experiments, measurements, and profiling tools.
  • Educate engineers through code reviews, talks, tooling, and documentation.
  • Define and drive actionable next steps from high-level objectives.
  • Lead and support performance efforts with engineering teams across Mozilla.
  • Shape performance benchmarks and prioritize necessary improvements.
  • Develop strategies for the future of the Performance team and organization.
  • Set team goals and motivate and align cross-functional teams toward shared outcomes.

Requirements

  • BS or MS in computer science or computer engineering.
  • At least 7 years of relevant experience.
  • Mastery of C++ programming and understanding of JavaScript programming.
  • Proven experience developing performance-critical software.
  • Experimental and measured approach to diagnosing issues and validating solutions.
  • Proven ability to debug and analyze performance bottlenecks using profiling tools such as VTune and Xperf.
  • Experience with multithreading, concurrency, disk I/O, and GPU performance.
  • Track record of setting team goals and driving them to completion.
  • Ability to work effectively in a geographically distributed team with strong written and verbal communication.
  • Bonus: familiarity with web standards or patterns, Android or Windows application programming, statistics, or modern web browser development.

Benefits

  • Performance-based bonus plans for eligible employees.
  • Medical, dental, and vision coverage.
  • Retirement contributions with immediate 100% vesting.
  • Quarterly company wellness days.
  • Country-specific holidays and a birthday day off.
  • One-time home office stipend.
  • Annual professional development budget.
  • Quarterly well-being stipend.
  • Paid parental leave.
  • Employee referral bonus program.
  • Additional benefits such as life and accidental-death-and-dismemberment insurance, disability coverage, and an employee assistance program, varying by country.

Mozilla

Mozilla makes browsers, apps, code, and tools. Mozilla shapes the future of the Internet by advocating for user rights, promoting open standards, and developing software products that prioritize privacy, security, and user control. By working on the web as a platform, you can help create more opp...

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