DensityAI

Compiler Engineer — LLVM Backend

DensityAI
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14 days ago
Mountain View, CA, USASenior
H1B sponsor

Base Salary

$240k - $295k/yr

Responsibilities

  • Own LLVM backend development for a custom accelerator ISA across scalar, vector, and floating-point pipelines.
  • Develop instruction selection, register allocation, scheduling, and linker support.
  • Use and develop AI-assisted tool flows to accelerate compiler development and performance tuning.
  • Debug correctness and performance regressions across the full compilation flow.
  • Collaborate with chip-design and software teams from first silicon through scale-out.

Requirements

  • 5+ years of compiler engineering experience with hands-on LLVM target development.
  • Exceptional ability with LLVM backend internals, including TableGen, instruction selection, scheduling, and register allocation.
  • Strong understanding of computer architecture, ISA design, and compiler-hardware co-design.
  • Ability to debug correctness and performance regressions across the full compilation flow.
  • Optional qualifications include custom-ISA bring-up, MLIR experience, GPU or accelerator backends, and linker or loader work.

Benefits

  • Equity grant according to company guidelines.
  • Medical, dental, and vision insurance.
  • 401(k) plan and standard paid time off.
  • DensityAI sponsors qualified candidates for H-1B, O-1, TN, E-3, and other employment-based visas, and provides immigration support to secure or transfer status.
  • California pay range is $240,000–$295,000 USD.
  • Work authorization is required at the start of employment.

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About DensityAI

51-200 employees
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