Software Engineer - Simulators

Remote, USA
Posted Jun 14, 2026
Full-time

MatX is on a mission to be the compute platform for AGI, developing full-stack solutions for machine learning workloads. The Software Engineer - Simulators will be responsible for developing and maintaining performance models, collaborating with various teams, and optimizing performance.

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

Skills

  • 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
  • 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

Benefits

  • Generous equity, with option cash/equity swap at offer, and option to employee early exercise.
  • Company subsidized Health, Dental, Vision, and Life insurance; Pre-tax Health Savings Accounts with generous company contribution (even if you don't)
  • 4 weeks paid time off (accrued), 12 company holidays, and 3 weeks remote/flexible work per year
  • Up to 12 weeks of paid parental leave, regardless of your path to parenthood
  • $1,500 yearly towards your professional development e.g. conferences, courses, and other learning opportunities
  • Team Lunches, quarterly off-sites, and regular town halls
  • 401K and/or Roth IRA, with 5% company contribution, even if you don't!
  • Pre-tax spend accounts for medical, dental/vision, dependent care, parking, and transit expenses
  • For those commuting up to 1 hour, put your rideshare cost on our company card and reclaim the drive-time to get work done!
  • $50 per month to use on the perks you care about most
  • We work remotely Monday & Friday, supported by home-tech setup, and remote wifi expense reimbursement

Company Overview

  • MatX is an AI chip startup that designs chips that support large language models. It was founded in 2022, and is headquartered in Mountain View, California, USA, with a workforce of 11-50 employees. Its website is https://matx.com.

  • Company H1B Sponsorship

  • MatX has a track record of offering H1B sponsorships, with 7 in 2025, 4 in 2024. Please note that this does not guarantee sponsorship for this specific role.

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