Senior Systems Software Engineer

5+ years of experience in systems software engineering using C++ 1+ year of experience in Rust Expertise in at least one of the following operating system APIs and familiarity with the others: Windows/Linux/macOS/Android Experience working on and debugging large multi-threaded applications and memory management Strong and respectful communication skills and ability to collaborate across engineering teams

Develop new features for the Firefox Profiler Expand the breadth of data captured by the Firefox Profiler Engage with the performance team efforts such as bug triage and strategy Engage with other Firefox engineers to help them learn how to use our tools efficiently Promote and encourage the use of our performance tools Engage with our community and mentor volunteers