Software Engineer - Compiler
Mountain View, CA$120k–$400kPosted Jan 9, 2026
Back to jobsSoftware Engineer - CompilerMountain View, CAApplyWhat MatX Is Building
MatX is building the world's best chips for training and serving large language models, spanning the entire stack — from silicon and rack design through compilers and kernels to ML models. Our systems deliver best-in-class latency, throughput per dollar, and throughput per watt.
We are hiring middle-end and backend-focused compiler engineers. We're looking for compiler engineers with deep expertise and a strong grasp of low-level optimization. ML experience is a plus. If you've worked on LLVM/MLIR, SIMD, NVPTX, or XLA, we'd love to hear from you.
Join us to shape the future of AI hardware abstraction and optimization!
What You'll Do Here
Design and implement toolchains, primarily in the Rust programming language, tailored for our proprietary hardware architecture that compile Python eDSL into executables
Collaborate with AI researchers and hardware architects, offering a compiler author’s perspective on achieving roofline proprietary hardware performance for high-level models
Focus on mid-end and backend program analysis, optimization, instruction selection, scheduling, and register allocation passes
Who You Are
Bachelor of Computer Science or equivalent degree
Possess outstanding software engineering skills with a focus on efficiency and performance
Possess experience in compiler algorithms, demonstrating proficiency in areas such as data flow analysis, register allocation, instruction scheduling, instruction selection, and loop optimizations
This is a hybrid role that will require you to work from our Mountain View, CA office 3 days a week on Tuesday through Thursday
Bonus Points If You Have
Familiarity with ML models and optimization such as Transformers, SIMD programming, or GPU kernels
Excellent ability to deal with a dynamic environment, anticipate changes both upstream and downstream of mid-level optimizer, and be willing to make those changes
Interest in building tools, languages, C or assembly-level optimization, Rust maintenance, and library development
Compensation
The US base salary for this full-time position is determined based on a variety of factors, including role, experience, location, job-related skills, and relevant education and training. Career length is only a guideline for compensation.
Early Career - $120,000 - $275,000 + equity
Mid Career - $175,000 - $400,000 + equity
Senior Career - $250,000 - $600,000 + equity
What We Offer
A Stake in our success A flexible cash equity compensation mix that fits your needs
Health & Wellness Company subsidized Health, Dental, Vision, and Life insurance; Pre-tax Health Savings Accounts with generous company contribution (even if you don’t)
Time To Recharge 4 weeks paid time off (accrued), 12 company holidays, and 3 weeks remote/flexible work per year
Support to Parents Up to 12 weeks of paid parental leave, regardless of your path to parenthood
Learning & Development $1,500 yearly towards your professional development e.g. conferences, courses, and other learning opportunities
Team Connection Team Lunches, quarterly off-sites, and regular town halls
Financial Wellbeing 401K and/or Roth IRA, with 5% company contribution, even if you don’t!
Flexible Spending Accounts Pre-tax spend accounts for medical, dental/vision, dependent care, parking, and transit expenses
Commute On Us For those commuting up to 1 hour, put your rideshare cost on our company card and reclaim the drive-time to get work done!
MatX E[x]tras $50 per month to use on the perks you care about most
Remote Perks We work remotely Monday & Friday, supported by home-tech setup, and remote wifi expense reimbursement
As part of our dedication to the diversity of our team and our focus on creating an inviting and inclusive work experience, MatX is committed to a policy of Equal Employment Opportunity and will not discriminate against an applicant or employee on the basis of race, color, religion, creed, national...