We are building the engine that will power discoveries, drive progress, and redefine what computers—and human beings—are capable of.
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A Giant Leap
We are building the engine that will power discoveries, drive progress, and redefine what computers—and human beings—are capable of.
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Lightmatter has 13 open jobs in Canada as of November 6, 2026. Top locations: Toronto.
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Lightmatter
10+ YOECandidates need a PhD in a related field, at least 10 years of research or industry experience, and deep machine learning systems knowledge. They should also have published academic work, understand GPUs and networking for AI, and have led a team.
GPUs, TPUs, Ethernet, InfiniBand, NVLink
Lightmatter
7+ YOELightmatter needs a Bachelor's degree in Electrical Engineering or a related field with 7+ years of industry experience. Candidates should have taken complex hardware systems to production and know VRMs, high-speed SerDes, and interfaces such as PCIe and Ethernet.
JTAG, PCIe, Ethernet, I2C, SPI/QSPI, I3C
Lightmatter
8+ YOECandidates need a PhD in a technical field and 8+ years of hands-on experience in optical devices and semiconductor physics. They must have a track record of architecting laser or optical transceiver products into volume manufacturing, and strong Python modeling and communication skills.
Python
Lightmatter
8+ YOECandidates need a bachelor's degree in an engineering field and at least 8 years of design verification and SystemVerilog experience. Python experience of 2 or more years, expertise with the UVM library and experience with Xcelium, ModelSim, Questa or VCS are also required.
Xcelium, ModelSim, Questa, VCS, UVM, SystemVerilog
Lightmatter
5+ YOELightmatter needs a Master's with 5+ years or a PhD with 3+ years in electrical engineering, photonics, physics or a related field. Candidates need photonic device physics, behavioral modeling for circuit simulators, and strong Python with NumPy and SciPy.
Python, KLayout, GDSFactory, gdstk, Lumerical INTERCONNECT, Cadence Virtuoso
Lightmatter
12+ YOELightmatter needs candidates with a bachelor's degree in electrical or computer engineering and 12 years of physical design experience, including 5 years of hands-on ASIC timing work. They must be skilled in Cadence or Synopsys timing tools and scripting in TCL and Python, Perl, or Shell.
Synopsys PrimeTime, Cadence Tempus
Lightmatter
12+ YOECandidates need a bachelor's in electrical or computer engineering and 12+ years of physical design experience, including taped-out large ASIC or mixed-signal chips. Strong scripting skills in TCL and Python and teamwork across functional groups are also required.
Cadence, TCL, Python, Shell, DRC, LVS
Lightmatter
8+ YOECandidates need a PhD in a related field plus 3 years of post-degree experience, or equivalent, and at least 8 years in photonic devices and integrated circuits. Strong silicon photonics knowledge, cross-functional collaboration and clear communication are required.
Photonics, Analytical skills, Communication skills, Product comprehension, Problem solving, Control systems
Lightmatter
8+ YOELightmatter needs 8+ years of embedded software development, strong Python, and embedded C/C++ skills. Candidates must have built an automation framework or HIL system from scratch and run CI pipelines on physical hardware.
GDB, JTAG, Logic analyzers, Oscilloscopes, GitHub Actions, GitLab CI
Lightmatter
12+ YOECandidates need 12+ years of experience and a Master's degree in electrical or computer engineering. They should have hands-on chip design experience with high-speed mixed-signal circuits, a record of delivering high-volume silicon, and the ability to bridge digital, analog, photonic and firmware domains.
SPICE, IBIS-AMI, MATLAB, Python
Lightmatter
3+ YOECandidates need 3+ years of experience and a Master's degree in Electrical or Computer Engineering, plus knowledge of power-efficient digital design for high-speed analog or photonic links. Strong problem solving, written and verbal communication, and tool skills in SPICE, IBIS-AMI, MATLAB or Python are expected.
SPICE simulators, IBIS-AMI simulators, MATLAB, Python, CAD tools
Lightmatter
Candidates need a PhD in electrical engineering, physics, applied physics or a related analog discipline, plus experience designing optical receivers and transmitters in advanced CMOS. Strong simulation skills in Cadence Virtuoso and Spectre, clear written communication and problem-solving on open-ended problems are also required.
Cadence Virtuoso, Cadence Spectre, Verilog-A, IBIS-AMI
Lightmatter
6+ YOECandidates need an MS with 6+ years of industry experience or a PhD with 3+ years, focused on optical or wireline transceiver design. Experience with GHz-speed analog or RF design, SERDES and equalization, and Cadence tools is required.
3D EM simulation tools
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