MatX
Mountain View, CA, USA

Software Engineer - Simulators

Hybrid$120,000 – $400,000/yrVisa SponsorshipPosted Dec 6, 2025LinkedIn

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About this role

MatX is on a mission to be the compute platform for AGI. We are developing vertically integrated full-stack solutions from silicon to systems including hardware and software to train and run the largest ML workloads for AGI. We primarily use the Rust programming language.

Responsibilities

  • Develop and maintain functional and performance models of our hardware
  • Develop tools and infrastructure to aid in efficient correlation, debug, and testing
  • Collaborate with model customers: architecture, verification/validation, compiler, and runtime teams
  • Contribute to architectural decisions and reviews
  • Investigate and implement performance optimizations

Requirements

  • Bachelor of Computer Science or equivalent degree
  • Excellent software engineering skills, with a focus on maintainable performant
  • Strong foundation in computer architecture fundamentals
  • Excellent cross-functional communication skills
  • Rust experience AND/OR experience writing cycle-accurate simulators
  • 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

Preferences (any of the following)

  • Deep knowledge of Machine Learning Accelerator architectures
  • Experience with benchmarking and optimizing code
  • Familiar with processor, memory, and networking architectures
  • An understanding of Power, Performance, Cost tradeoffs

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. Our offers allow candidates to swap cash for equity. The broad ranges for mid/senior candidates reflect greater flexibility for cash/equity swap.

  • 0-5 years of experience - $120,000 - $200,000 + equity
  • 5-10 years of experience - $120,000 -$300,000 + equity
  • 10+ years experience - $120,000 - $400,000 + equity

What We Offer

  • A Stake in our success: Generous equity, with option cash/equity swap at offer, and option to employee early exercise.
  • 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