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Staff Photonics Design and Layout Engineer

Lightmatter - Boston, MA; Mountain View, CA

Posted Aug 4, 2025

Benefits

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About this role

Staff Photonics Design and Layout Engineer Boston, MA; Mountain View, CA 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, Passageā„¢, 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! Join a tight-knit team where each individual's contributions directly influence the company's and product's success. You'll have the opportunity to build a new kind of computer, including the development of Silicon Photonics-based high-performance optical interconnect solutions for the next generation of AI-ML products from the ground up. Work with people who love to build and who thrive in technically diverse environments where great ideas are prioritized. Responsibilities: - Design, layout, and test innovative photonic devices - Contribute and own large-scale photonic layouts for high-volume products - Actively collaborate across disciplines, with analog, digital, and physical design teams to tapeout products and characterization devices. - Actively collaborate with the product, sales, and architectural teams to define requirements for

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