
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
Hardware acceleration for large language model training and inference
2022
Computer Hardware Manufacturing
Seed round recorded in March 2024 (details not specified in evidence)
80000000
Reported Series A of approximately $80M
500000000
Reported $500M Series B with participation from institutional and angel investors
“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”
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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.
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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