Lightmatter
Lightmatter
Photonic computing and interconnects for AI infrastructure
Photonic Computing
AI Hardware
Optical Interconnects
Machine Learning Acceleration
Silicon Photonics
Open roles at Lightmatter
20 open roles
Hardware Systems Technical Lead
Systems
Mountain View, CA
On-site
Lead
Full-time
Paid Time Off
Equity
2 months ago
Staff / Sr. Staff Photonics Test Engineer
Systems
Mountain View, CA
On-site
Staff
Full-time
Paid Time Off
Equity
3 months ago
Mechanical Design Engineer
Engineering
Mountain View, CA
On-site
Staff
Full-time
Paid Time Off
Equity
3 months ago
Sr. Staff Photonics Systems Engineer
Engineering
Toronto, ON
On-site
Lead
Full-time
Paid Time Off
Equity
3 months ago
Principal Digital (mixed-signal) Architect
Engineering
Toronto, ON
On-site
Senior
Full-time
Paid Time Off
Equity
5 months ago
Sr. Staff Physical Design Timing Engineer (STA)
Design
Toronto, ON
On-site
Staff
Full-time
Paid Time Off
Equity
6 months ago
Sr. Staff Physical Design Timing Engineer (STA)
Design
Mountain View, CA
On-site
Staff
Full-time
Paid Time Off
Equity
6 months ago
Sr. Staff Physical Design Engineer
Engineering
Mountain View, CA
On-site
Staff
Full-time
Paid Time Off
Equity
6 months ago
Staff Photonics Design & PDK Modeling Engineer
Engineering
Mountain View, CA
On-site
Staff
Full-time
Paid Time Off
Equity
6 months ago
Staff Photonics Design & PDK Modeling Engineer
Engineering
Toronto, ON
On-site
Staff
Full-time
Paid Time Off
Equity
6 months ago
Staff Photonics Design & PDK Modeling Engineer
Engineering
Boston, MA
On-site
Staff
Full-time
Paid Time Off
Equity
6 months ago
Staff/Sr. Staff Design Verification Engineer
Engineering
Toronto, ON
On-site
Staff
Full-time
Paid Time Off
Equity
6 months ago
Staff/Sr. Staff Design Verification
Design
Mountain View, CA
On-site
Staff
Full-time
Paid Time Off
Equity
6 months ago
Staff/Sr. Staff Design Verification
Engineering
Boston, MA
On-site
Staff
Full-time
Paid Time Off
Equity
6 months ago
Principal Digital (mixed-signal) Architect
Engineering
Boston, MA; Mountain View, CA
On-site
Staff
Full-time
Paid Time Off
Equity
6 months ago
Principal Machine Learning Infrastructure Researcher
Machine Learning
Mountain View, CA
On-site
Staff
Full-time
Paid Time Off
Equity
6 months ago
Sr. Staff Photonics Systems Engineer
Operations
Boston, MA; Mountain View, CA
On-site
Lead
Full-time
Paid Time Off
Equity
6 months ago
Analog IC Design Engineer, Tech Lead
Design
Mountain View, CA; Toronto, ON
On-site
Lead
Full-time
Paid Time Off
Equity
6 months ago
Analog IC Design Engineer, High-Speed
Design
Mountain View, CA
On-site
Mid Level
Full-time
Paid Time Off
Equity
6 months ago
Analog IC Design Engineer, High-Speed
Design
Toronto, ON
On-site
Mid Level
Full-time
Paid Time Off
Equity
6 months ago
Closed positions
50 positions
Sr. Staff Thermal Engineer
Boston, MA; Mountain View, CA
Staff
Closed Today
Senior Technical Program Manager
Mountain View, CA
Senior
Closed Today
Staff/Sr. Staff Electrical Test Engineer
Boston, MA; Mountain View, CA
Staff
Closed Yesterday
Staff/Sr. Staff Electrical Test Engineer
Toronto, ON
Staff
Closed Yesterday
Staff Hardware Validation Engineer
Mountain View, CA
Staff
Closed 2d ago
Products and services
PA
Passage
Hardware Platform
SI
Silicon Photonics Chips
Components
EN
Envise
AI Accelerator
PH
Photonic Fabric
Networking Infrastructure
OP
Optical I/O Technology
Technology
3D
3D-Stacked Memory Interconnects
Memory Technology
PH
Photonic Integration Platform
Software Development
AI
AI Acceleration Services
Services
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Latest updates
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X
News
HN
YouTube
Zion Cloud Solutions vs Lightmatter: Revenue, Funding & Team Size Compared - GetLatka
GetLatka
News
·
1 week ago
Open Compute Project Initiates Lightmatter-Led CPO Project | Business | Aug 2026 - Photonics Spectra
Photonics Spectra
News
·
2 weeks ago
Lightmatter sets optical interconnect blueprint as AI hits copper wall - digitimes
digitimes
News
·
2 weeks ago
Lightmatter, Industry Partners Launch CPO Architecture Initiative Within OCP - HPCwire
HPCwire
News
·
3 weeks ago
Lightmatter launches 19-company strong initiative to standardize silicon photonics-ready infrastructure - Data Center Dynamics
Data Center Dynamics
News
·
3 weeks ago
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Total Bookmarks
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Reviews
4.2
37 reviews
Work-life balance
4.0
Compensation
3.9
Culture
4.1
Career
4.0
Management
3.6
82%
Recommend to a friend
Pros
Cutting-edge technology in silicon photonics
Hands-on learning environment
Outstanding mentorship opportunities
Cons
Management hostility toward feedback
High cash burn without revenue generation
No shipped products despite significant funding
Salary Ranges
7 data points
Senior/L5
Senior/L5
1 reports
-
total per year
Base
$240,000
Stock
-
Contact and location