Software Engineer - Simulators

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 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.