Lightmatter · Boston, MA; Mountain View, CA +3 · Onsite · Dec 2025
Build innovative laser solutions from the ground up for AI data centers.
$230k–$267k
Hardware EngineeringL
Lightmatter
HiringInfrastructureBuilding 3D-stacked photonics engines connecting AI processors at light speed for data centers.
lightmatter.co/ ↗CHECKED 15H AGO
Open roles (61)
61 open roles
Lab profile
About the lab
What they build
- Passage™ 3D-stacked photonics engine
- Photonic interconnects for AI / HPC data centers
Known for
- Silicon photonics
- 3D-stacked packaging
- High-speed analog / mixed-signal design
- Electro-optic systems
Key facts
- Raised $400M Series D
- $4.4 billion valuation