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Lightmatter

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A Giant Leap

Mountain View, California

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Computer Hardware Manufacturing
201–500 people

About

We are building the engine that will power discoveries, drive progress, and redefine what computers—and human beings—are capable of.

Open positions

Sr. Staff Photonics Systems Engineer

On-site · Toronto

Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world’s first 3D-stacked photonics engine, Passage™, capable of connecting thousands to millions of processors at the speed of light in extreme-scale data centers for the most advanced AI and HPC workloads. Lightmatter raised $400 million in its Series D round, reaching a valuation of $4.4 billion. We will continue to accelerate the development of data center photonics and grow every department at Lightmatter! If you're passionate about tackling c…

Staff Embedded Software Engineer

On-site · Toronto

Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world’s first 3D-stacked photonics engine, Passage™, capable of connecting thousands to millions of processors at the speed of light in extreme-scale data centers for the most advanced AI and HPC workloads. Lightmatter raised $400 million in its Series D round, reaching a valuation of $4.4 billion. We will continue to accelerate the development of data center photonics and grow every department at Lightmatter! If you're passionate about tackling c…

Sr. Staff Photonics Systems Engineer

Hybrid · Toronto

You will lead the development of integrated, scalable laser solutions for silicon photonics AI communications and computation. This involves collaborating with cross-functional teams to translate product requirements into engineering plans and validating system performance.