Lightmatter
Builds photonic computing and interconnect technology for AI data centers.
- HQ
- Mountain View, CA
- Founded
- 2017
- Employees
- 201-1,000
- Total Raised
- $2.0B
- Last Round
- Series C+
- Last Round Date
- Jul 2026
- Founders
- Darius Bunandar
- Nicholas Harris
- Thomas Graham
Careers at Lightmatter
Browse 61 open roles at Lightmatter. Compare locations and experience levels, then follow a role’s application link for the full posting and requirements.
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Principal Hardware Systems Technical Lead
Apply Mountain View, CA
- Job type
- Finance, Legal, & Compliance
- Seniority
- Senior
Mixed-Signal Validation Engineer
Apply Mountain View, CA
- Job type
- Product, Programs, & Systems
- Seniority
- Senior
Principal Field Application Engineer
Apply Mountain View, CA
- Job type
- Product, Programs, & Systems
- Seniority
- Senior
Sr. Staff Thermo-Mechanical Engineer
Apply Mountain View, CA
- Job type
- Mechanical & Physical Systems
- Seniority
- Senior
Chip Firmware Validation Engineer
Apply Mountain View, CA
- Job type
- Finance, Legal, & Compliance
- Seniority
- Senior
Senior Laser & SOA Characterization Engineer
Apply Mountain View, CA
- Job type
- Product, Programs, & Systems
- Seniority
- Senior
Sr. Staff Physical Design Timing Engineer (STA)
Apply Boston, MA
- Job type
- Electrical & Firmware
- Seniority
- Senior
Senior Photonics Design Automation Engineer
Apply Boston, MA · Mountain View, CA
- Job type
- Product, Programs, & Systems
- Seniority
- Senior
Show 13 more jobs
24 of 61 shown