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46 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 · 13h 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 · 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
Senior Photonics Circuit Design Engineer
Lightmatter INC · Mountain View, CA · 18h 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
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
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
Staff Photonics Design & PDK Modeling Engineer
Lightmatter INC · Boston, MA; Mountain View, CA; Toronto, ON · 7d 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
Photonics Characterization Intern- Winter 2026
Lightmatter INC · Boston, MA · 8d 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
Principal Product Manager, Photonics
Lightmatter INC · Mountain View, CA · 9d 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
Staff/ Sr Staff Technical Program Manager, Hardware Systems
Lightmatter INC · Boston, MA; Mountain View, CA · 10d 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 Laser & SOA Characterization Engineer
Lightmatter INC · Mountain View, CA · 14d 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
Principal Digital (mixed-signal) Architect
Lightmatter INC · Boston, MA; Mountain View, CA · 14d 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
Sr. Staff Product Manager (Photonics)
Lightmatter INC · Boston, MA; Mountain View, CA · 15d 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
Director, Photonics Hardware Validation
Lightmatter INC · Mountain View, CA · 16d 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
Sr. Staff Physical Design Engineer
Lightmatter INC · Mountain View, CA; Boston, MA · 20d ago
via Company careers site
$220,000 — $270,000
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
Silicon Packaging Engineer - Intern & New Grad
Lightmatter INC · Mountain View, CA · 20d 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
Sr SDET– Firmware Automation
Lightmatter INC · Boston, MA; Mountain View, CA · 21d 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 Link Hardware Engineer
Lightmatter INC · Mountain View, CA · 21d ago
via Company careers site
$155,000 — $190,000
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
Staff Hardware Test & Bring-Up Engineer
Lightmatter INC · Mountain View, CA · 22d ago
via Company careers site
$167,000 — $193,000
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
Embedded Software Engineer, Lasers
Lightmatter INC · Boston, MA · 22d 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
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