Lightmatter
Lightmatter
Photonic Computing
AI Hardware
Optical Interconnects
Machine Learning Acceleration
Silicon Photonics
Boston, MA
51-200
Founded in 2017 (9 years ago)
Hybrid
Private
Valuation
$1.2B
Total funding
$555M
Last round
Series D
Open roles at Lightmatter
45 open roles
Sr. Staff Electrical Test Engineer
Engineering
Boston, MA; Mountain View, CA
On-site
Staff
Full-time
Retirement Plan
Equity
Paid Time Off
Parental Leave
2d ago
System Mechanical Design Engineer
Engineering
Mountain View, CA
On-site
Mid Level
Full-time
1 week ago
Design Verification Engineer
Engineering
Toronto, ON
On-site
Mid Level
Full-time
1 week ago
Staff Electrical Design Engineer
Engineering
Mountain View, CA
On-site
Staff
Full-time
2 weeks ago
Senior Technical Writer
Content Marketing
Mountain View, CA
On-site
Senior
Full-time
2 weeks ago
Sr Staff Photonics Test Engineer
QA
Mountain View, CA
On-site
Staff
Full-time
3 weeks ago
Staff Mechanical Engineer
Engineering
Boston, MA; Mountain View, CA; Toronto, ON
On-site
Staff
Full-time
3 weeks ago
Sr. Staff Thermal Engineer
Engineering
Boston, MA; Mountain View, CA
On-site
Staff
Full-time
3 weeks ago
Photonics Technical Lead
Toronto, ON
On-site
Lead
Full-time
3 weeks ago
Staff Embedded Software Engineer, Lasers
Embedded
Mountain View, CA
On-site
Staff
Full-time
4 weeks ago
Staff Embedded Software Engineer
Embedded
Mountain View, CA
On-site
Staff
Full-time
4 weeks ago
Staff Embedded Software Engineer
Embedded
Boston, MA
On-site
Staff
Full-time
4 weeks ago
Staff Embedded Software Engineer
Embedded
Toronto, ON
On-site
Staff
Full-time
4 weeks ago
Sr. Firmware Development & Test Automation Engineer
QA
Boston, MA
On-site
Senior
Full-time
1 month ago
Mixed-Signal Validation Engineer
Engineering
Mountain View, CA
On-site
Mid Level
Full-time
1 month ago
Director, NPI Operations
Operations
Mountain View, CA
On-site
Director
Full-time
2 months ago
Staff Software Engineer- Hardware Test Infrastructure
Devops
Mountain View, CA
On-site
Staff
Full-time
2 months ago
Principal Product Engineer
Engineering
Mountain View, CA
On-site
Senior
Full-time
2 months ago
Senior Digital (Mix Signal) Architect
Engineering
Boston, MA; Mountain View, CA
On-site
Senior
Full-time
2 months ago
Principal Machine Learning Infrastructure Researcher
Machine Learning
Toronto, ON
On-site
Staff
Full-time
2 months ago
IT Support Engineer
Infrastructure
Mountain View, CA
On-site
Mid Level
Full-time
2 months ago
Staff Physical Design Timing Engineer (STA)
Design
Toronto, ON
On-site
Staff
Full-time
3 months ago
Staff Physical Design Timing Engineer (STA)
Design
Mountain View, CA
On-site
Staff
Full-time
3 months ago
Staff Physical Design Engineer
Mountain View, CA
On-site
Full-time
3 months ago
Staff Physical Design Engineer
Toronto, ON
On-site
Full-time
3 months ago
Staff Photonics Design and Layout Engineer
Engineering
Boston, MA; Mountain View, CA
On-site
Staff
Full-time
3 months ago
Sr Staff Design Verification Engineer
Engineering
Toronto, ON
On-site
Staff
Full-time
3 months ago
Sr Staff Design Verification
Design
Mountain View, CA
On-site
Staff
Full-time
3 months ago
Senior Digital (Mix Signal) Architect
Engineering
Toronto, ON
On-site
Staff
Full-time
3 months ago
Principal Engineering Product Manager, Optics/Photonics
Operations
Mountain View, CA
On-site
Staff
Full-time
3 months ago
Principal Machine Learning Infrastructure Researcher
Machine Learning
Mountain View, CA
On-site
Staff
Full-time
3 months ago
Principal Field Application Engineer
Engineering
Mountain View, CA; Remote - USA
Remote
Staff
Full-time
3 months ago
Photonics Technical Lead
Operations
Boston, MA; Mountain View, CA
On-site
Lead
Full-time
3 months ago
Photonics Hardware Validation Engineer
Engineering
Mountain View, CA
On-site
Mid Level
Full-time
3 months ago
Lead Package Assembly & Test Technologist
Manufacturing
新竹市, Hsinchu City, Taiwan
On-site
Lead
Full-time
3 months ago
Lead Package Assembly Integrator
Manufacturing
Boston, MA; Mountain View, CA
On-site
Lead
Full-time
3 months ago
Chip Firmware Validation Engineer
Embedded
Mountain View, CA
On-site
Mid Level
Full-time
3 months ago
Chip Architecture Leader
Engineering
Boston, MA; Mountain View, CA
On-site
Mid Level
Full-time
3 months ago
Chip Architecture Leader
Engineering
Toronto, ON
On-site
Mid Level
Full-time
3 months ago
Analog/Mixed Signal Architect
Embedded
Boston, MA; Mountain View, CA
On-site
Mid Level
Full-time
3 months ago
Analog Mixed Signal Architect
Engineering
Toronto, ON
On-site
Mid Level
Full-time
3 months ago
Analog IC Design Engineer, Tech Lead
Design
Mountain View, CA; Toronto, ON
On-site
Lead
Full-time
3 months ago
Analog IC Design Engineer, High-Speed
Design
Mountain View, CA
On-site
Mid Level
Full-time
3 months ago
Analog IC Design Engineer, High-Speed
Design
Toronto, ON
On-site
Mid Level
Full-time
3 months ago
Analog IC Design Engineer, AMS
Design
Boston, MA; Mountain View, CA
On-site
Mid Level
Full-time
3 months ago
Closed positions
50 positions
Staff Digital Design Engineer
Mountain View, CA
Staff
Closed 2d ago
Staff Digital Design Engineer
Boston, MA
Staff
Closed 2d ago
Embedded Software Engineer, Lasers
Mountain View, CA
Mid Level
Closed 2d ago
Staff Digital Design Engineer
Toronto, ON
Staff
Closed 2d ago
Reliability Test, Intern
Mountain View, CA
Intern
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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Throwing my Puzzle Game Tier List into the Mix
If you want to order these games: [https://tiermaker.com/create/puzzle-video-games-17034248](https://tiermaker.com/create/puzzle-video-games-17034248) I've seen a lot of these lately so I figured I might as well throw mine in the mix. I've been keeping more for my own benefit to track what I liked. I know there are some EXTREMELY bad takes in here (Namely the Witness and Obra Dinn being so low)--but please keep your wits about you and remember we are entitled to our opinions. I liked the Witne
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1 month ago
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[OFFER] [STEAM] Over 600 games from almost a decade of Humble!
**Stopping the entries for now. I've gone through T1 and T2, I will have to go through all the T3 titles later. Thank you for your comments!** **UPDATE 2: Going through T3, there are still like 400 to go, please be patient haha** I finally went through and compiled all the keys from Humble that I never redeemed over the past decade or so. Here they are. **DISCLAIMERS** Due to the amount and age of many of the keys, I cannot guarantee each will work (or that every game on the list is still pl
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2 months ago
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307
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1741
[Offer][Steam] Old keys part 2!
Hello! I bought a bundle from a Humble Bundle fundraiser from 2020. I still have so many keys left over from it, so I wanted to offer them up here. I also have some from fanatical mystery bundles I'll offer up later too. I am only going to list the Humble Bundle ones for now, so I don't get too overwhelmed with responses. List will be below; I am going to leave this open for a few hours before starting to gift. The ones that are listed twice, I have 2 keys for! Not a typo! I will note that ther
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2 months ago
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Lightmatter Unveils Guide Light Engine - Photonics Spectra
Photonics Spectra
News
·
2 months ago
Disruptive Photonics innovator Lightmatter achieves record 1.6 Tbps per fiber to accelerate AI Optical Interconnect
***The strategic collaboration combines Qualcomm’s high-performance connectivity with Lightmatter’s photonic engine to achieve an 8X bandwidth-density advantage*** [Lightmatter](https://cts.businesswire.com/ct/CT?id=smartlink&url=http%3A%2F%2Fwww.lightmatter.co&esheet=54444648&newsitemid=20260311551229&lan=en-US&anchor=Lightmatter&index=1&md5=d3b1d970348edc1cf0e56e9246e7128c), the leader in photonic (super)computing, today announced a historic milestone in AI interco
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2 months ago
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0
Total Mock Apply
0
Total Bookmarks
0
Reviews
3.3
3 reviews
Work-life balance
3.5
Compensation
3.0
Culture
3.2
Career
4.0
Management
2.5
60%
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
$312,000
total per year
Base
$240,000
Stock
-
$312,000
$312,000
Contact and location