MatX builds custom semiconductor chips and hardware architectures that accelerate training and inference for large language models. The company designs application-specific accelerators and…
MatX builds custom semiconductor chips and hardware architectures that accelerate training and inference for large language models. The company designs application-specific accelerators and…
Company: MatX — builds high-throughput AI accelerator chips for training and inference of large language models
Founded: 2022
Founders: Reiner Pope (CEO), Mike Gunter (CTO)
Employees: 83
Notable funding: Series A (~$80M, Nov 2024); Series B ($500M, Feb 24 2026); total reported $625M
Company Overview
Problem Domain
Hardware acceleration for large language model training and inference
Founded
2022
Industry
Computer Hardware Manufacturing
Funding Track Record
Seed- 2024-03-26
Seed round recorded in March 2024 (details not specified in evidence)
Series A- 2024-11-22
80000000
Reported Series A of approximately $80M
Series B- 2026-02-24
500000000
Reported $500M Series B with participation from institutional and angel investors
Investor Signal
“Mix of institutional and prominent angel backers including Jane Street, Spark Capital, Situational Awareness, Marvell, Nat Friedman, Daniel Gross, Triatomic Capital, Patrick Collison, John Collison and others”
Founders
What we do
Join the Team
Senior Technical Documentation Writer
On-SiteMountain View, CA, US
On-Site • Mountain View, CA, US
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What MatX Is Building
MatX is on a mission to make the world’s best AI models run as efficiently as possible—accelerating global progress in AI quality and accessibility. We are building cutting-edge AI infrastructure at the intersection of hardware and software, and our team is growing quickly.
We are seeking a Senior Technical Documentation Writer with experience in technical documentation and a strong understanding of the hardware and/or AI landscape.
This position is ideal for someone who thrives in a fast-paced startup environment, partners effectively with a wide range of stakeholders, and brings both rigor and empathy to technical documentation. You will have a direct impact on company success and will help shape all aspects of Technical Documentation as MatX continues to scale.
What You’ll Do Here
Who You Are
Bonus Points If You Have
Work experience as a software or hardware developer
Experience at a startup building machine learning accelerators
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Lead Technical Documentation for the software, hardware, and systems teams
Work with hardware and software technical leads to generate documentation, both for internal use as well as external-facing customer documentation
This includes, but is not limited to:
Developer documentation, including:
Hardware Architecture
Hardware Instruction Set Architecture
Software Architecture
Software APIs, including Programming Models, Compiler Intermediate Representations.
Deployer documentation, including:
System Deployment Guides
Data sheets for hardware and systems
Have a Bachelor’s degree in Science or Engineering or equivalent
Possess outstanding Technical Documentation skills, preferably in both hardware and software
Have 5-10 years of technical documentation experience
Have experience with documentation of hardware (chips), software, and systems, preferably at a semiconductor company
Have experience with various forms of documentation, including tools for API document generation (pydoc, rustdoc,...), markdown for readthedocs
Ability to augment code (Rust/Python) with comments (pydoc,...) and generate documentation from code
Experience with HW documentation, such as datasheets, Hardware documentation tools such as RDL, …
Have experience integrating documentation from various sources into clear, cogent documentation with a uniform look and feel
Experience using generative AI tools to generate and integrate documentation from multiple sources
Have the ability to expand on existing documents, fill in gaps, and identify areas that need improvement
Have the ability to work with engineers and translate from slide decks, technical notes, into documentation for various levels of readers: internal engineers, external developers, system deployers
Excellent teamwork skills with the ability to track and follow up on documentation issues across multiple teams, and work with engineers to ensure issues get resolved
Possess the ability to work in a dynamic environment with changing requirements and cross-team dependencies
Have excellent verbal communication skills
Are highly organized with strong attention to detail
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
