Lead Software Engineer - Kernels

MatX

$120K — $500K+*
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 2+ years of engineering team management experience
  • 7+ years of experience within engineering teams
  • Bachelor's degree in Computer Science or equivalent
  • Experience optimizing software for specialized hardware
  • Proficiency in at least one programming language: assembly, C++, C, Zig, or Rust
  • Ability to navigate ambiguity and manage stakeholder alignment
  • Excellent communication and collaboration skills

Responsibilities

  • Manage, mentor, and grow a team of kernel engineers
  • Design and optimize performance-critical compute kernels
  • Collaborate with Machine Learning and Hardware Engineering teams
  • Provide programming-centric insights on hardware architecture
  • Ensure seamless integration of software with hardware platforms

Benefits

  • Flexible cash equity compensation mix
  • Company-subsidized health, dental, vision, and life insurance
  • 4 weeks paid time off, 12 holidays, and 3 weeks flexible remote work
  • Up to 12 weeks of paid parental leave
  • $1,500 annual professional development allowance
  • Regular team lunches and quarterly off-sites
  • 401K/Roth IRA with 5% company contribution
  • Pre-tax flexible spending accounts
  • Rideshare reimbursement for commuting
  • Monthly perks allowance
  • Remote work support on specified days
Full Job Description
You will manage, mentor, and grow a team of kernel engineers while setting technical direction and executing. At the same time, you will be an active coding contributor by designing and implementing high-performance compute kernels for specialized AI hardware.

You will partner with the ML team to maximize output and improve diagnostic tools, and collaborate with hardware to co-design next-generation AI architectures.

What You'll Do Here
  • Manage, mentor, and build a team of highly specialized kernel engineers and software developers
  • Design and optimize kernels that interface directly with our hardware
  • Work in partnership with our ML Research and Hardware Engineering teams
  • Provide expertise and guidance on hardware architecture from a programmer's perspective, ensuring seamless integration with the software stack

Who You Are
  • 2+ years of engineering team management experience
  • 7+ years of working directly within engineering teams experience
  • Bachelor of Computer Science or equivalent degree
  • Experience optimizing software for specialized hardware, employing techniques such as parallelism, SIMD programming, C, assembly-level optimization, or GPU/CUDA programming
  • Language: at least one of assembly, C++, C, Zig, or Rust
  • Ability to navigate ambiguity, manage escalations, and align stakeholders around infrastructure decisions.
  • Excellent communication and collaboration skills, with a track record of translating complex technical trade-offs with the founders and stakeholders

Bonus Points If You Have
  • Experience implementing kernels for ML models such as Transformers
  • Experience using and implementing distributed parallelism techniques such as AllReduce, AllToAll, data parallelism, tensor parallelism.
  • Familiarity with how compilers work


Early Career - $120,000 - $275,000 + equity
  • Mid Career - $175,000 - $400,000 + equity
  • Senior Career - $250,000 - $600,000 + equity

What We Offer
  • A Stake in our success A flexible cash equity compensation mix that fits your needs
  • 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

All candidates must be authorized to work in the United States and work from our offices in Mountain View Tuesdays-Thursdays.

This position requires access to information that is subject to U.S. export controls. This offer of employment is contingent upon the applicants capacity to perform job functions in compliance with U.S. export control laws without obtaining a license from U.S. export control authorities.

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.

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