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Staff Embedded Software Engineer

Lightmatter·Boston, MA; Mountain View, CA·Posted 15 July 2026

About the role

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 complex challenges, making an impact, and being an expert in your craft, join our team of brilliant scientists, engineers, and accomplished industry leaders. Lightmatter is (re)inventing the future of computing with light! We are hiring a talented software engineer to help us build the next generation of photonic AI processors and interconnects. In this role, you will be responsible for developing and extending the device software and firmware stack for Photonic Compute and Photonic interconnect products. You will collaborate with other software teams and hardware systems teams to develop…

This is a summary of the advert. The full description and the application are on Lightmatter's careers site.

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