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Facebook Compiler Engineer - Programming Languages and Runtimes in Boston, Massachusetts


Facebook's mission is to give people the power to build community and bring the world closer together. Through our family of apps and services, we're building a different kind of company that connects billions of people around the world, gives them ways to share what matters most to them, and helps bring people closer together. Whether we're creating new products or helping a small business expand its reach, people at Facebook are builders at heart. Our global teams are constantly iterating, solving problems, and working together to empower people around the world to build community and connect in meaningful ways. Together, we can help people build stronger communities - we're just getting started.


The Programming Languages and Runtimes team at Facebook is seeking an experienced Software Engineer with a strong expertise in compiler technology. Our team builds optimizing compilers and virtual machines for our massive codebase of backend services, web infrastructure and mobile applications. The solutions and tooling we develop target languages such as C/C++, Android/Java, Hack or JavaScript. A significant fraction of our work is based on the Clang/LLVM framework and familiarity with that compiler infrastructure would be a plus.

Required Skills:

  1. Identify and design effective compiler and runtime optimizations

  2. Implement and/or enhance code generation targeting mobile or server platforms

  3. Code using primarily C/C++

  4. Interface with other compiler-focused teams to evaluate and incorporate their innovations and vice versa

  5. Conduct design and code reviews

  6. Analyze and improve efficiency, scalability, and stability of our toolchains

Minimum Qualifications:

  1. B.S. Computer Science or related technical field

  2. 4+ years coding experience in C or C++

  3. 2+ years experience working on and/or contributing to a compiler toolchain codebase, such as LLVM, GCC or MSVC

Preferred Qualifications:

  1. Interest in compiler technology

  2. M.S. or Ph.D. training in compiler engineering or related fields

Industry: Internet

Equal Opportunity: Facebook is proud to be an Equal Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Facebook is committed to providing reasonable accommodations for candidates with disabilities in our recruiting process. If you need any assistance or accommodations due to a disability, please let us know at