DensityAI

Compiler Engineer — LLVM Backend

DensityAI
Apply
2 months 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.

Categories

DensityAI

About DensityAI

51-200 employees

DensityAI designs AI accelerator chips and a complete stack—from silicon and boards to racks and software—for training and inference in data-center environments. The privately held company is headquartered in Mountain View, CA, and targets cloud providers and enterprises building scalable AI infrastructure. Its programs span first-silicon bring-up through scale-out systems, with roles across hardware design, verification, and systems software.

Contact me