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Software Engineer, LLVM Compiler

Meta· Engineering
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Hybrid (Bellevue, WA)$154k - $217kFull-timePosted 1mo ago

About the role

Software engineer to join the MTIA LLVM Compiler team, building a production compiler stack targeting Meta's custom silicon AI accelerators. Work spans from compiling PyTorch models through LLVM-based IR down to optimized binaries for hardware accelerator blocks, with collaboration across compiler, ML, firmware, and ASIC domains.

Responsibilities

  • Design, implement, and optimize LLVM-based code generation targeting Meta's custom machine learning accelerators
  • Apply compiler techniques (JIT compilation, dynamic code generation, optimization passes) to build high-performance simulation infrastructure for accelerator hardware
  • Develop and enhance compiler passes, optimizations, and transformations within the LLVM/MLIR infrastructure to improve performance, correctness, and compilation speed
  • Contribute to the development of intermediate representations, compiler libraries, and analysis tools in the LLVM/MLIR ecosystem
  • Conduct design and code reviews; evaluate generated code quality, debug, diagnose, and drive resolution of compiler and cross-disciplinary system issues
  • Analyze and improve the efficiency, scalability, and stability of the compiler toolchain
  • Interface with other compiler-focused teams (both internal and open-source LLVM community) to evaluate and incorporate innovations
  • Mentor other engineers on compiler engineering best practices and improving engineering quality across the team

Qualifications

  • Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience
  • 5+ years of experience developing compilers or code optimization software, with demonstrated technical leadership
  • Proficiency in C++ or Rust with experience in large-scale software development, debugging, testing, and performance analysis
  • Experience working within the LLVM/MLIR compiler infrastructure or a comparable production compiler codebase (e.g., GCC, MSVC)
  • Track record of designing and delivering significant compiler features or optimization passes end-to-end
  • Experience driving cross-team technical initiatives and influencing roadmap decisions
  • Experience crossing multi-disciplinary boundaries (hardware, ML frameworks, runtime systems) to drive optimal system-level solutions
  • Experience in AI framework development or accelerating deep learning models on hardware architectures
  • Demonstrated ability to mentor engineers and raise the technical bar of a team

Skills

Required:LLVM/MLIRC++
Nice to have:Rust

Benefits

  • Benefits available as described by Meta benefits program
Last updated Oct 23, 2026. Interested? Apply on the company site.

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