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Job description
What MatX Is Building
MatX's mission is to make the world's best AI models run as efficiently as allowed by physics, bringing the world years ahead in AI quality and availability. We build the full stack—from silicon and rack design through compilers, kernels, and ML models. We are seeking a Formal Verification Engineer to bring rigorous mathematical guarantees to our hardware and software at every layer of the stack.
What You'll Do Here
Apply model checking and formal property verification to RTL blocks, memory subsystems, and interconnects, providing complete coverage wherever possible, using tools such as JasperGold or VC-Formal.
Develop and maintain machine-checked proofs for critical compiler transformations, ensuring correctness of lowering passes from our high-level programming model down to hardware
Build embeddings of our hardware description languages and simulator models into interactive theorem provers (e.g. Lean 4, Rocq, Isabelle/HOL), and use those embeddings to prove functional correctness and microarchitectural properties directly against the designs
Collaborate with architecture, compiler, and silicon verification teams to identify correctness properties worth proving and translate them into tractable proof obligations
Drive methodology for integrating formal tools (JasperGold, SymbiYosys, or equivalent) into our existing practices
Who You Are
Hands-on experience with hardware model checking—writing SVA/PSL properties, running bounded or unbounded proofs, and closing out formal verification targets at block or subsystem level
Practical experience with at least one interactive theorem prover (Lean, Coq, Isabelle/HOL, Agda, or similar)
Experience embedding an existing language or IR into a theorem prover—whether an HDL, compiler IR, ISA, or similar—is a strong plus
Experience with compiler correctness proofs or verified compilation (e.g. CompCert-style or translation validation) is a strong plus
Comfort working across the hardware/software boundary: you understand both RTL microarchitecture and compiler IR design well enough to find the correctness properties that matter
Able to work in a small team where the scope of what you own will be large and shift quickly
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 - $160,000 - $275,000 + equity
Mid Career - $175,000 - $400,000 + equity
Senior Career - $250,000 - $600,000 + equity
What We Offer
Time off: 4 weeks PTO (accrued) + 12 company Holidays + 3 religious observance days
Health
Medical. Company-subsidized Medical (Kaiser or Anthem) for employees & dependents
Dental + Vision. Guardian Dental and Vision insurances for employee & dependents
HSA and FSA offerings via Lively (HSA includes MatX lump sum contribution)
Concierge Care Advocates via Mishe. A white-glove service to help you navigate the maze of insurance, find providers, file (and appeal) claims
Travel medical insurance. Covers both business and personal trips
MatX Family Fund. $6k fund via Benepass to fill the gaps in traditional insurance. Covers family-building, maternity, menopause, mental health and bodywork.
Financial Wellbeing
Retirement. Choose from Roth/ 401K (or both) retirement plans with up to 5% company contribution to 401K (even if you don't contribute).
Wealthfront Workplace Accounts. Non-401K investment, high-yield savings & brokerage. MatX pays your fees for the 1st $100K
Life, AD&D and Disability. Company-paid life insurance (up to $300K) and long-term disability insurances.
Daily Meals: MatX provides $80/day budget for onsite and remote meals, via a plethora of options including Webox, Locale, plus Ramp virtual cards.
Commute on Us: Commute on our company Uber account, or reimburse your train rides. Either way, we pay 100% for your daily commute.
WFH Support
Home Setup. $1500 to make your home office comfortable & productive for you
Cell & Internet Reimbursement. $60/mo for cellular and $60/mo for wifi
Professional Development: $1500 Professional Development Budget (per year)
MatX E[x]tras: $50/mo to use on whatever perk you value most
Mental Wellbeing: 100% paid mental health benefit via SpringHealth and Guardian EAP
Support to Parents: Up to 20 weeks paid parental leave regardless of path to parenthood, up to 18 weeks pregnancy disability leave, and flexible return-to-work hours
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 origin or ancestry, sex, gender, gender identity, gender expression, sexual orientation, age, physical or mental disability, medical condition, marital/domestic partner status, military and veteran status, genetic information or any other legally recognized protected basis under federal, state or local laws, regulations or ordinances.
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This position requires access to information that is subject to U.S. export controls. This offer of employment is contingent upon the applicant's capacity to perform job functions in compliance with U.S. export control laws without obtaining a license from U.S. export control authorities.
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MatX does not accept unsolicited resumes from individual recruiters or third-party recruiting agencies in response to job postings. No fee will be paid to third parties who submit unsolicited candidates directly to our hiring managers or People team and any resumes submitted are deemed to be the property of MatX.