What are the responsibilities and job description for the Compiler Engineer position at DensityAI?
What will you do:
- Own LLVM backend development for our custom accelerator ISA — instruction selection, register allocation, scheduling, and linker support across scalar, vector, and floating-point pipelines.
- Use and develop AI-assisted tool flows to accelerate compiler development and performance tuning.
What we’re looking for:
- Exceptional abilities in LLVM backend internals (TableGen, instruction selection, scheduling, register allocation)
- 5 years of compiler engineering experience, with hands-on LLVM target development
- 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) Custom-ISA bring-up, MLIR experience, GPU / accelerator backends, or linker / loader work
Compensation
Base salary: $200k – $400k USD per year, depending on experience and qualifications. Final offers depend on level, location, and skills relevant to the role.
Additional compensation: equity grant per company guidelines; medical / dental / vision; 401(k); standard PTO. Discussed in detail during the interview.
Equal Opportunity
DensityAI is an Equal Opportunity Employer. We do not discriminate on the basis of race, color, religious creed, national origin, ancestry, physical or mental disability, medical condition, genetic information, marital status, sex, gender, gender identity, gender expression, age (40 ), sexual orientation, military or veteran status, pregnancy, or any other status protected by law. We comply with the California CROWN Act and provide reasonable accommodations on request.
Salary : $200,000 - $400,000