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Added 1 month ago
Senior Full Stack API Engineer
Questrade Financial Group
Toronto, ON
We’re looking for our next Senior Fullstack API Engineer. Could It Be You?
Added 2 months ago
Senior Generative AI Software Engineer
Apertera (formerly Alexa Translations)
Toronto, ON
Full-time
We are looking for a Senior Generative AI Engineer to develop our next-generation intelligent translation and translation-related service engine, using Generative AI (GenAI) and Large…
Added 1 month ago
Sr. Staff Physical Design Engineer
Lightmatter
Toronto, ON
Full-time
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…
Added 1 month ago
Senior Software Engineer, Data Systems
hive.co
Remote, Canada
Full-time · Remote
As a Senior Data Engineer, you’ll play a vital role in evolving our data platform, which directly determines what our customers can do, how fast our product moves, and how confidently…
Added 21 days ago
Senior AI Engineer - Evisort AI
Workday
Vancouver, BC · Toronto, ON · Canada, BC, Vancouver
Full-time
As a Senior AI Engineer, your primary focus will be building AI features and intelligent agents specifically for the Contract Lifecycle Management (CLM) domain, though you will also be…
Added 1 month ago
Senior AI Engineer, Full-Stack - Agent Factory
Workday
Vancouver, BC · Canada, BC, Vancouver
Full-time
5+ years with backend web frameworks; Python frameworks such as FastAPI, Flask, or Django preferred.
Added 19 days ago
Senior Manager, Data Engineer, Applied AI Data Ingestion & Integration
BMO
Toronto, ON · FCP
Full-time
…and AI solutions. Our team combines engineering excellence with cutting-edge AI to deliver scalable, secure, and responsible solutions that power business innovation across the bank. We are…
Added 1 month ago
Customer Experience Engineer
Elation Health
Canada
Full-time
…that resolves the customer's problem immediately, and partner with senior engineers on the cases complex enough to need…
Added 1 month ago
Senior DevOps Engineer
Canadian Solar Inc.
Kitchener, ON
Full-time
We are seeking a talented Sr DevOps Engineer to join our dynamic team and contribute to the delivery of on-site and cloud-based Energy Management System (EMS) for utility grade systems. The…
Added 1 month ago
Senior Machine Learning Engineer
TD
Toronto, ON
Full-time
As a candidate, you are encouraged to ask compensation related questions and have an open dialogue with your recruiter who can provide you more specific details for this role.
Added 1 month ago
Senior MLOps Engineer | Ingénieur·e MLOps senior
Jesta I.S.
Montreal, QC
Full-time
We are looking for a Senior MLOps Engineer to design, build, and maintain the data and machine learning pipelines that power our AI and analytics platforms.
Added 1 month ago
Senior Full-Stack Engineer, North Tools & Retrieval
Cohere
Remote, Canada
Full-time · Remote
We are a global technology company headquartered in Toronto with key offices in London, New York City, San Francisco, Montreal, Paris, Berlin and Seoul. Join us!
Added 1 month ago
Lead Engineer
LanceSoft, Inc.
Montreal, QC · Greater Montreal Metropolitan Area
Contract
Strong communication skills with the ability to engage technical teams, non-technical stakeholders, vendors, product owners, risk partners, and senior leaders.
Added 2 months ago
Senior Generative AI Software Engineer
Apertera (formerly Alexa Translations)
Montreal, QC
Full-time
We are looking for a Senior Generative AI Engineer to develop our next-generation intelligent translation and translation-related service engine, using Generative AI (GenAI) and Large…
Added 1 month ago
Software Engineer AI - Multiple Levels
Diligent Corporation
Vancouver, BC
As a Software Engineer on Diligent's Platform AI team, you'll help design, build, and operate the core services that power AI-driven capabilities across Diligent's global product suite.…
Added 16 days ago
Senior Machine Learning Engineer, Growth
HelloFresh
Toronto, ON
We are hiring a Senior Machine Learning Engineer to take our AI tooling to the next level by architecting and deploying the robust infrastructure behind our intelligent marketing…
Added 1 month ago
Senior DevOps Engineer, Vice President
Citi
Mississauga, ON
Full-time
As a Senior DevOps Engineer at Citi, you will play a critical role in bridging the gap between software development and IT operations. You will be responsible for automating and…
Added 1 month ago
Lead QA Automation Engineer ,Vice President
Citi
Mississauga, ON
Full-time
We are seeking a Lead / Senior QA Automation Engineer to elevate the quality engineering function across our automation and data-processing platforms. This role is expected to assess…
Added 1 month ago
Principal Cloud Security Engineer
BMO
Toronto, ON · BMOPLACE
Full-time
We are seeking an enthusiastic and passionate professional for a Senior Cloud, AI & Data Security Engineer role who wants to design and implement security solutions for systems and services…
Added 28 days ago
Senior Principal Engineer
Autodesk
Toronto, ON · AMER - Canada - Ontario - Toronto - University Ave
Full-time
GET Engineering is seeking an experienced Senior Principal Engineer – AI and Engineering Excellence to lead the technical strategy and evolution of our cloud platform, developer experience,…
Added 2 months ago
Senior Engineering Manager, Software
Verto Health
Remote, Canada
$150,000 to $200,000 CAD / year
Full-time · Remote
6+ years of engineering experience with at least 2 years of leadership experience recently leading and growing agile engineering teams, respected as both an engineer and a manager.
Added 2 months ago
Founding AI Engineer
Paires
Remote, Canada
$230,000 to $370,000 CAD / year
Full-time · Remote
Paires is where founders come to raise capital. We pair them with the right investors from a large, engaged global investor network, then our agents run the warm outreach and manage the…
Added 2 months ago
GTM Engineer
Paires
Remote, Canada
$130,000 to $220,000 CAD / year
Full-time · Remote
Paires is an AI-first fundraising platform. We pair founders with the right investors from a large, engaged global investor network, then run the warm outreach that turns into meetings. It…
Added 2 months ago
Senior Software Engineer
Clutch
Toronto, ON
$160,000 to $200,000 USD / year
Full-time
Have experience with one or more modern programming languages such as TypeScript, Python, Go, Java, C#, Rust, or Ruby.
Added 2 months ago
Senior Backend / Platform Engineer
TravelAI
Remote, Canada
$180,000 to $200,000 CAD / year
Full-time · Remote
The initial build phase is being delivered with an external engineering partner. We are hiring two senior engineers to take ownership of the platform: you will work alongside the partner…

Lightmatter

Sr. Staff Physical Design Engineer

Toronto, ON, Canada

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

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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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