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Active2mo ago

Staff/Sr Staff Electro-Optic Link Codesign Engineer

Lightmatter·📍 Boston, Massachusetts, United States

Employment

Full-Time

Work mode

On-site

Experience

5+ years

Salary

$180K – $260K/yr

Role overview

Job description

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 seeking a Sr. Staff Engineer, Photonic Link Co-Design to join our Laser Sy

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About this listing

  • Source: Lightmatter's official careers site (via Greenhouse) · last confirmed on the source 27 Oct 2026
  • Posted 25 Aug 2026

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What they are looking for

Skills & requirements

Qualification

Requirements: PhD in Electrical Engineering, Applied Physics, Physics, or a closely related photonics/optics discipline and 5+ years of experience; or MS + 8 years of directly relevant industry experience at a photonic IC, transceiver, or optical interconnect company

Department · Photonics Engineering

Hiring company

Lightmatter

Rethinking the limits of AI, Lightmatter merges photonics and computing to build a future where speed, efficiency, and intelligence converge.

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