Join Us
Lightmatter is leading a revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company’s groundbreaking Passage™ platform—the world’s first 3D-stacked silicon photonics engine—connects thousands to millions of processors at the speed of light. Designed to eliminate critical data bottlenecks, Lightmatter’s technology enables unparalleled efficiency and scalability for the most advanced AI and high-performance computing workloads, pushing the boundaries of AI infrastructure.
Academic & Industry Credentials
- Our team members publish in top journals including Nature, Science, Physical Review Letters, ISSCC, ISCA, and more
- Our team members have contributed to 100+ patents
- Matriculated at MIT, Harvard, Stanford, Cornell, Carnegie-Mellon, Purdue, University of Cambridge, University of Washington, Georgetown, and more
- Contributed to black hole simulation software for Academy Award winning movie Interstellar
- Contributed to or led 98 CPU/SOC unique tapeouts
- Contributed to or led 20 photonics tapeouts
Our Values
We care about people.
Trust. Respect. Speak truth. Assume the best. Lift each other up, especially when it’s tough.
We are here to win.
Speed. Precision. Focus, execute, find a way. No distractions—build a world-changing company. Better every year.
We’re delivering the future.
Inspire loyalty. Blow minds. Keep your word. Make our products reliable, exciting, and indispensable.
We follow first principles.
Understand. Innovate. Be original. Let the fundamentals guide you. If it were easy, it wouldn’t be Lightmatter.
We are one Lightmatter.
No silos, no hierarchy. Everyone rolls up their sleeves. Impact beats titles. We’re in it together. High standards, high collaboration.
Locations
Mountain View, CA [HQ]
In the heart of Silicon Valley, home to a few small startups you may have heard of.
Boston, MA
In the heart of Boston near the historic Faneuil Hall—minutes from all transportation hubs and an elevator ride away from some of the best restaurants.
Toronto, ON
Located in downtown Toronto, near transportation hubs and restaurants.
Benefits
Commuter Benefit
Put pre-tax dollars towards your daily commute.
Happy Hour
Spend time together and build friendships.
Learning
Learn from your peers and teach them what you know across electronics, photonics, machine learning, and more.
Time Off
Find inspiration away from work with a generous vacation policy and holidays.
401(k)
Save for your future.