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9 live openings across every destination, each with a sponsorship verdict from government records and the posting’s own wording.
New Product Introduction (NPI) Engineer
Lightmatter INC · 
Mountain View, CA · 11h ago
via Company careers site
$134,000 — $189,000
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…
Sponsorship possible ✓ 21 H-1B filings certified since Oct 2025
Sr. Staff Photonics Systems Engineer
Lightmatter INC · Boston, MA; Mountain View, CA · 13h ago
via Company careers site
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…
Sponsorship possible ✓ 21 H-1B filings certified since Oct 2025
Senior Photonics Circuit Design Engineer
Lightmatter INC · Mountain View, CA · 16h ago
via Company careers site
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…
Sponsorship possible ✓ 21 H-1B filings certified since Oct 2025
Photonic Architect, Temp
Lightmatter INC · 
Toronto, ON · 2d ago
via Company careers site
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…
No sponsorship evidence yet Sponsorship not verified for this country
Staff / Sr. Staff Photonics Test Engineer
Lightmatter INC · Mountain View, CA · 6d ago
via Company careers site
$187,000 - $220,000
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…
Sponsorship possible ✓ 21 H-1B filings certified since Oct 2025
Electro-Optic Systems Architect
Lightmatter INC · Boston, MA; Mountain View, CA · 6d ago
via Company careers site
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…
Sponsorship possible ✓ 21 H-1B filings certified since Oct 2025
Electro-Optic Systems Architect
Lightmatter INC · Toronto, ON · 6d ago
via Company careers site
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…
No sponsorship evidence yet Sponsorship not verified for this country
Photonics Architect
Lightmatter INC · Toronto, ON · 6d ago
via Company careers site
$118,000 — $171,000
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…
No sponsorship evidence yet Sponsorship not verified for this country
Photonics Architect
Lightmatter INC · Boston, MA; Mountain View, CA · 6d ago
via Company careers site
$212,000 — $321,000
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…
Sponsorship possible ✓ 21 H-1B filings certified since Oct 2025
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