MatX
Developing custom silicon chips optimized for large language models.
Company facts
- Founded
- 2023
- Employees
- 100
- Headquarters
- United States
- Type
- Private
- Funding
- Series B · $500M · 2026
Open positions
Supply Chain System Manager
What MatX is Building MatX's mission is to make the world's best AI models run as efficiently as allowed by physics, bringing the world years ahead in AI quality and availability. Your place here We're looking for a…
SOC Integration Engineer
A silicon SOC integration engineer who stitches subsystems into the full-chip top-level RTL for MatX's AI training chips, building automation for on-the-fly SOC RTL generation and aligning clock/reset, timing, and floorplan connectivity with physical design. Core tools: SystemVerilog, Python/Perl, and SOC integration/verification flows.
Software Engineer, AI Tooling
Builds the AI agent infrastructure at MatX, a custom AI silicon company: making coding agents first-class users of internal infra with their own identities and audited access, running them in ephemeral VMs and no-egress sandboxes, and maintaining a company knowledge base pulled from the monorepo, design docs, and Slack.
Security Engineer
Senior Security Engineer at MatX, a startup building AI compute silicon, securing the software, build systems, and cloud infrastructure behind chip design and ML training. A generalist role focused on supply chain/build integrity, adversarial testing, cloud hardening, and writing security tooling in Go/Python/Rust.