Software Engineer - Kernels

MatX; Mountain View (CA); Hybrid; USD 160,000 - 600,000; Full time

Benefits offered by this job

4 weeks PTO

12 company holidays

Up to 3 weeks remote work

Health insurance (employee + dependent

401K with company match

Life insurance

Professional development budget

Commuting reimbursement

Job summary

MatX is building a compute platform for AGI, focusing on full-stack solutions from silicon to systems and using Rust. The candidate will design and optimize kernels interfacing with hardware, and collaborate with ML research and hardware engineering teams in a hybrid Mountain View, CA role.

The ideal candidate has 5+ years of software development experience and deep knowledge of parallelism, SIMD, and low-level optimization in C/C++, Rust, or Zig, with a focus on hardware-aware software.

Qualifications

• Bachelor's degree in Computer Science or equivalent.
• 5+ years of software development experience.
• Experience optimizing software for specialized hardware (parallelism, SIMD, assembly, GPU/CUDA).
• Proficient in assembly, C/C++, Zig, or Rust.
• Hybrid role requiring three days/week in Mountain View, CA office (Tue-Thu).

Responsibilities

• Design and optimize kernels that interface directly with our hardware.
• Work in partnership with our ML Research and Hardware Engineering teams.
• Provide expertise on hardware architecture from a programmer’s perspective, ensuring seamless integration with the software stack.

Skills

Software development

Parallel programming

SIMD programming

C programming

C++ programming

Rust programming

Zig programming

GPU/CUDA programming

Hardware architecture knowledge

Education

Bachelor of Computer Science or equivalent degree

Job description

What MatX Is Building

MatX is on a mission to be the compute platform for AGI. We are developing vertically integrated full-stack solutions from silicon to systems including hardware and software to train and run the largest ML workloads for AGI. We primarily use the Rust programming language.

What You’ll Do Here

• 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

• Bachelor of Computer Science or equivalent degree


• 5+ years of software development experience


• 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


• 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

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

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 + 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. See attached benefits 1-pager and full benefits guide for more info on benefits.


• Financial Wellbeing: Choose from Roth IRA/ 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


• 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.


• AI Resources: Up to $20K/month plus a dedicated internal AI Tooling Team to support your productivity

Equal Employment Opportunity

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.

Work Authorization and Location

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

Export Control

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.