Performance Modeling Engineer

MatX

$120K — $275K *
Technical Services
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of experience in performance modeling
  • Expertise in the latest LLM model architectures
  • Strong understanding of computer architecture with a focus on AI accelerators
  • Proven ability to collaborate across technical teams
  • Experience in automation and tool creation for tech integration

Responsibilities

  • Translate AI accelerator architecture into effective performance models
  • Maintain and enhance modeling framework capabilities
  • Automate the creation of tensor layouts for frontier LLMs
  • Develop tools and compilers to streamline integration within the tech stack
  • Collaborate with ML, Software, and Architecture teams to facilitate experiments and workflows

Benefits

  • 4 weeks of accrued PTO plus 12 holidays and up to 3 weeks of remote work
  • Company-subsidized health insurance options for employees and dependents
  • 401K with up to 5% company contribution and Roth IRA options
  • Annual $1500 professional development budget for continued learning
  • Complimentary onsite team meals during workdays
  • Covered commuting costs through Uber or train reimbursements
  • Monthly $50 allowance for personalized perks
  • Cellular and internet reimbursement of $35 and $40 monthly respectively
  • Up to $1000 for remote home office setup purchases
  • Comprehensive mental health benefits with full coverage
  • Generous paid parental leave policy and flexible return-to-work hours
Full Job Description
What You'll Do Here:
  • Translate AI accelerator architecture into performance models
  • Maintain modeling framework capabilities and releases
  • Automate creation of detailed tensor layouts for frontier LLMs
  • Create tools, compilers, and automations to integrate with the broader organization tech stack
  • Collaborate with ML, Software, and Architecture teams to support experiments and workflows
Who You Are:
  • Strong background in performance modeling
  • Strong working knowledge of latest LLM model architectures
  • Experience with computer architecture, particularly AI accelerators
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 - $450,000 + equity
  • Senior Career - $275,000 - $600,000 + equity

What We Offer
  • Time off: 4 weeks PTO (accrued) + 12 company Holidays + up to 3 weeks remote work
  • Health: Company-subsidized Medical (Kaiser or Anthem) for employees & dependents, Guardian Dental and Vision insurances for employee & dependents, and life insurance (employee only), plus HSA and FSA offerings via Lively.
  • Financial Wellbeing: Choose from Roth IRA or 401K (or both) retirement plans with up to 5% company contribution to 401K (even if you don't contribute). Also, 100% company-paid life insurance (up to $300K) and long-term disability insurances.
  • Professional Development: $1500 Professional Development Budget (per year)
  • Team Meals: MatX provides onsite team lunch & dinner Monday - Friday, with your choice of ordering via WeBox, Specialty's or via our reimbursement system
  • Commute on Us: Commute on our company Uber account, or reimburse your train rides. Either way, we pay 100% for your daily commute.
  • MatX E[x]tras: $50/mo to use on the perk you value most
  • Cell & Internet Reimbursement: $35/mo for cellular and $40/mo for wifi
  • Remote Home Setup: Use our Amazon business account for up to $1000 in office setup purchases.
  • Mental Wellbeing: 100% paid mental health benefit via SpringHealth and Guardian EAP.
  • Support to Parents: Up to 12 weeks paid parental leave regardless of path to parenthood, 10 weeks pregnancy disability leave, flexible return-to-work hours, and Benepass reproductive health & parental benefit.

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