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Added 3 months ago
EA
Site Reliability Engineer III
Electronic Arts (EA)
Victoria, BC
- Full-time
…integration/delivery with an emphasis on solving operations issues using software. You will report to the Senior SRE…
Added 3 months ago
C
C++ Developer (contract)
Capgemini
Toronto, ON
- Contract
We are seeking a Senior C++ Developer (Contractor) to join our Global Equity Derivatives Risk Technology team. The successful candidate will work on our risk reporting platform and…
Added 3 months ago
A
AI and Automation Software Engineer
AMD
Markham, ON
- $187,200 to $280,800 USD / year
- Full-time
The AMD NBIO Team is on the lookout for a seasoned Software Engineer to lead our AI and Automation innovation. As a key contributor to the success of AMD’s IP, you will be leading the…
Added 3 months ago
KS
Senior Lighting Artist | Artiste senior en éclairage - GameSim - Talent Pipeline
Keywords Studios
Canada
- Full-time
Added 3 months ago
E
Staff API Engineer
Equinix
Toronto, ON
- Full-time
Works with product teams, analysts, and other engineers to design and build systems and application software that enable a robust, usable API ecosystem. Implements and operates API…
Added 1 month ago
GS
Senior Systems Administrator
GlassHouse Systems
Toronto, ON
- Full-time
· Maintain and audit software, hardware, and infrastructure asset inventories within the IT Asset Management platform.
Added 2 months ago
PA
AI Infrastructure Engineer
Palona AI
Toronto, ON
- Full-time
We are looking for an Infrastructure Engineer who combines cloud and reliability depth with strong software engineering judgment. You will build and operate the platform beneath Palona’s AI…
Added 2 months ago
PA
AI Modeling Engineer
Palona AI
Toronto, ON
- Full-time
Strong Python skills and experience with modern ML tooling such as PyTorch, JAX, Hugging Face, or equivalent systems.
Added 2 months ago
PA
AI Software Engineer, Product
Palona AI
Toronto, ON
- Full-time
We are looking for a product-focused AI Software Engineer to turn advances in AI into restaurant products that work reliably in the real world. You will build across customer-facing…
Added 3 months ago
A
SoC Data Path Engineer
AMD
Markham, ON
- $120,800 to $181,200 USD / year
- Full-time
…automated solutions. In this high visibility position, your software systems engineering expertise will be necessary towards product development, definition, and root cause…
Added 3 months ago
H
Hydrogeologist - Fort McMurray
Hatfield
Fort McMurray, AB
- Full-time
Experience with data handling and analysis. In particular, a background in Aquarius, R statistics, Python, GIS.
Added 3 months ago
L
Sr. Staff Physical Design Engineer
Lightmatter
Toronto, ON
- Full-time
Write TCL, Python, or Shell scripts to automate flow or customize existing flows
Added 2 months ago
M
Senior Software Engineer
Mastercard
Vancouver, BC
- Full-time
The Decision Management Program (DMP) team is looking for a Senior Software Engineer to support the Authorization Decisioning product and help deliver highly scalable, secure, and reliable…
Added 1 month ago
Manager, Software Development - Onboarding Team
AlayaCare
Montreal, QC
We are seeking a Manager, Software Development to join one of our Product teams. Reporting to the Associate Director, you will cultivate a strong team identity with personalized coaching…
Added 1 month ago
Staff Security Engineer
Forma.ai
Toronto, ON
Improve software supply-chain security, including build permissions, artifact integrity, dependency governance, and GitHub administration.
Added 2 months ago
Software Development Engineer II, Campaign Management
Amazon
Toronto, ON
…recommendations. We are passionate about building scalable, well-designed software services, and strive to constantly improve our technical foundation and user…
Added 2 months ago
M
Manager, Ecommerce Product Analytics
McAfee
Waterloo, ON · UNAVAILABLE, Ontario
- Full-time
Advanced analytical skills with expert proficiency in SQL and experience analyzing large-scale site datasets. Proficient in Python for analysis and statistical work.
Added 2 months ago
AN
Senior/Lead Software Engineer, Network Systems
Arista Networks
Vancouver, BC
- Full-time
…advancements in cloud computing, artificial intelligence, and software-defined networking to provide our clients with a competitive edge in an increasingly interconnected world. Our…
Added 2 months ago
Cloud Network Engineer - Staff
OpenTable
Toronto, ON
Intermediate knowledge of at least one scripting language such as Python
Added 2 months ago
EB
Senior Analyst, Credit Risk & Collections
EQ Bank | Canada's Challenger Bank
Toronto, ON
- Full-time
Proficiency with data management and reporting tools such as Python and SQL is required
Added 2 months ago
B
QNX Software Test Specialist II
BlackBerry
Ottawa, ON
- Full-time
QNX, a division of BlackBerry Limited (NYSE: BB; TSX: BB), provides the trusted foundation that software-defined and physical AI systems depend on to operate safely and predictably in the…
Added 2 months ago
BQ
QNX Software Test Specialist II
BlackBerry QNX
Ottawa, ON
- Full-time
QNX, a division of BlackBerry Limited (NYSE: BB; TSX: BB), provides the trusted foundation that software-defined and physical AI systems depend on to operate safely and predictably in the…
Added 3 months ago
RE
Développeur.se sénior.e d’outils /Senior Full Stack Developer, AI & Tools (Apex Legends)
Respawn Entertainment
Vancouver, BC · Greater Vancouver Metropolitan Area
- Full-time
Job Title: Senior Full Stack Developer, AI & Tools (Apex Legends)
Added 3 months ago
RE
Développeur.se sénior.e d’outils /Senior Full Stack Developer, AI & Tools (Apex Legends)
Respawn Entertainment
Montreal, QC
- Full-time
Job Title: Senior Full Stack Developer, AI & Tools (Apex Legends)
Added 2 months ago
BQ
QNX Senior Cybersecurity Manager
BlackBerry QNX
Ottawa, ON
- Full-time
QNX, a division of BlackBerry Limited (NYSE: BB; TSX: BB), provides the trusted foundation that software-defined and physical AI systems depend on to operate safely and predictably in the…

Lightmatter

Sr. Staff Physical Design Engineer

Toronto, ON, Canada

Full-time

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Job details

Job type: Full-time
Experience: 12+ years of industry experience working as a Physical Design Engineer
Posting language: English
Posted: Jul 24, 2026

Original job description

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 seeking a highly skilled Senior Physical Design Engineer to work on the implementation of complex digital blocks. In this role, you will leverage your expertise in advanced process nodes (3nm) to drive timing closure, power integrity, and physical verification for high-performance ASICs. Beyond standard digital flows, you will have the unique opportunity. To work alongside a team of world-class scientists and engineers in defining how the system will be optimized and trailblaze problems that are new to the photonics industry! If your passion is innovation, solving challenging technical problems and doing impactful work you should join our team!

Responsibilities

Implement digital blocks in advanced tech nodes from synthesis through physical verification, using industry standard tools and flows
Drive fullchip STA signoff, review constraints, debug timing reports and implement ecos
Drive power analysis and optimization while balancing area and performance trade-offs
Drive full chip floor planning, IO placement and clock distribution
Understand clock details and be able to customize clock implementation for functional and test clocks
Debug and clean up DRC/LVS
Functional and timing ECO implementation
Work with EDA companies to resolve any tool issues
Write TCL, Python, or Shell scripts to automate flow or customize existing flows

Qualifications

Bachelor’s in Electrical Engineering or Computer Engineering
12+ years of industry experience working as a Physical Design Engineer
Must have completed blocks or top level physical design for large ASICs or mixed signal chips that taped out
Thorough knowledge of timing closure, LVS/DRC closure
Experience in TCL and Python (or other scripting languages)
Strong teamwork skills with the ability to collaborate with multiple functional teams across a variety of fields
Ability to react to change and thrive in a fast paced environment

Preferred Qualifications

Masters Electrical Engineering or Computer Engineering with 8 years of industry experience
Hands-on experience with Cadence tools
Tape-out experience 3nm designs
Be willing to do manual layouts as well as willingness to learn and do silicon photonics layout
EM/IR analysis using standard industry signoff tools

We offer competitive compensation. The base salary range for this role determined based on location, experience, educational background, and market data.

Salary Range: total compensation goes beyond base salary, it also includes a new hire equity grant, annual performance-based equity, and other rewards that recognize your impact and contribution.: $191,000 CAD - $219,000 CAD

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.

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More about this job

Responsibilities

Implement complex digital blocks in advanced 3nm process nodes from synthesis through physical verification. Drive full-chip STA signoff, power analysis, floor planning, and clock distribution for high-performance ASICs.

Requirements

Requires a Bachelor's degree in Electrical or Computer Engineering with over 12 years of industry experience in physical design for large ASICs. Must possess thorough knowledge of timing closure, LVS/DRC closure, and scripting in TCL and Python.

Skills

Physical Design
Timing Closure
Power Integrity
Physical Verification
STA Signoff
Floor Planning
Clock Distribution
DRC/LVS Debugging
TCL
Python
Shell Scripting
Cadence Tools
EM/IR Analysis
Silicon Photonics Layout
ASIC Design
3nm Process Nodes

Benefits

Comprehensive Health Care Plan (Medical, Dental & Vision)
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

Visa sponsorship

Not detected in the job text

Keywords

Physical Design
ASIC
3nm
Photonics
STA
LVS
DRC
TCL
Python
Cadence
EM/IR Analysis
Floor Planning
Clock Distribution
Mixed Signal Chips
Synthesis
ECO
HPC
AI Infrastructure
Digital Blocks
Silicon Photonics

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