- Full Time
- Toronto, ON
Lightmatter at a glance
lightmattergame.comSEC filings mentioning "Lightmatter": 3 — search EDGAR
Lightmatter
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 engine, Passage™, capable of connecting thousands to millions of processors at the speed of light in extreme-scale data centers for the most advanced AI and HPC workloads.
Lightmatter raised $400 million in its Series D round, reaching a valuation of $4.4 billion. We will continue to accelerate the development of data center photonics and grow every department at Lightmatter!
If you’re passionate about tackling complex challenges, making an impact, and being an expert in your craft, join our team of brilliant scientists, engineers, and accomplished industry leaders.
Lightmatter is (re)inventing the future of computing with light!
We are hiring a talented software engineer to help us build the next generation of photonic AI processors and interconnects. In this role, you will be responsible for developing and extending the device software and firmware stack for Photonic Compute and Photonic interconnect products. You will collaborate with other software teams and hardware systems teams to develop security, telemetry, virtualization, and remote administration functionality.
Responsibilities
- Collaborate across a multidisciplinary team including Photonic, Analog, Digital, Systems and Network experts to define control plane architecture for Lightmatter’s photonic interconnect products.
- Define diagnostics and monitoring architecture for photonic transceivers.
- Integrate with DataCenter administration capabilities using environments such as CMIS, OpenBMC and DMTF.
- Debug and troubleshoot embedded systems using tools such as GDB, JTAG, and logic analyzers.
- Participate in customer engagements to gather requirements and usability criteria.
Qualifications
- BS and 8+ years of experience, or MS and 6+ years of experience.
- Degree in Computer Science, Electrical Engineering, Robotics, or a related technical field.
- Industry experience with device driver and kernel side development.
- Strong understanding of hardware-software integration.
- Practical knowledge of communication and control in embedded systems, peripherals, and buses.
- Experience with developing commercial/enterprise-level software and firmware on Linux.
- Experience with Git and CMake for building and managing software projects.
- Hands-on experience designing, simulating, or deploying control of autonomous systems.
Preferred Qualifications
- Proficiency with Python or C++.
- Familiarity with debugging tools such as GDB, JTAG, and logic analyzers.
- Experience developing firmware for photonic transceivers or similar systems.
- Experience with environments such as CMIS, OpenBMC and DMTF.
- Experience with optical communication systems and technologies.
We offer competitive compensation. The base salary range for this role determined based on location, experience, educational background, and market data.
Benefits
- Comprehensive Health Care Plan (Medical, Dental & Vision)
- Retirement Savings Matching Program
- Life Insurance (Basic, Voluntary & AD&D)
- Generous Time Off (Vacation, Sick & Public Holidays)
- Paid Family Leave
- Short Term & Long Term Disability
- Training & Development
- Commuter Benefits
- Flexible, hybrid workplace model
- Equity grants (applicable to full-time employees)
Benefits eligibility may vary depending on your employment status and location. Lightmatter recruits, employs, trains, compensates, and promotes regardless of race, religion, color, national origin, sex, disability, age, veteran status, and other protected status as required by applicable law.
Export Control
Candidates should have capacity to comply with the federally mandated requirements of U.S. export control laws.
To apply for this job please visit boards.greenhouse.io.
Terms used in this posting
- equity
- Ownership stake in the company, usually in the form of stock options or RSUs, offered in addition to salary.
- hybrid
- A work arrangement combining both in-office and remote/at-home work, typically on a set schedule.
Explore Lightmatter online
What people say about Lightmatter
- The 'impossible' EmDrive could reach Pluto in 18 months?
- Could dark matter not exist?
- A wave of experiments is probing the root of quantum weirdness
- Is The Speed of Light Everywhere the Same?
Recent news
- Lightmatter Revenue, Valuation & Funding History (2024) - GetLatka
- Lightmatter at Computex 2026: The AI Infrastructure Bottleneck Has Shifted from Compute to Interconnect - semivision
- Lightmatter Joins NVLink Fusion Club - Counterpoint Research
- Lightmatter - 2026 Funding Rounds & List of Investors - Tracxn
- The AI boom is running into a copper problem - Business Insider
Aggregated from public discussions and news; opinions are the authors’ own.
Working in Toronto, Ontario
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Toronto is the most populous city in Canada and the capital city of the Canadian province of Ontario. It is located on a harbour at the northwestern shore of Lake Ontario. The city is the fourth-most populous city in North America, behind Mexico City, New York City, and Los Angeles, with a census population of 2,794,356 as of 2021. The Greater Toronto Area (GTA) is constituted of Toronto proper and four surrounding regions, Peel, York, Durham, and Halton, and has a population of 6,712,341, while the Toronto census metropolitan area (CMA), with a somewhat different definition, has a population
Ontario is the southernmost province of Canada. Located in Central Canada, Ontario is the country's most populous province. As of the 2021 Canadian census, it is home to over 14 million people, which is 38.5% of the country's population. Ontario is the second-largest province by total area and the fourth-largest jurisdiction of all the Canadian provinces and territories. It is home to the nation's
- Elevation 99m (325 ft)
Source: Wikipedia (state)
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