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Added 5 months ago
BS
Member of Technical Staff
Beacon Software
Toronto, Ontario
- Full-time
…long-term technical direction of that area. This is a Staff Engineer role in everything but name. We run…
Added 5 months ago
BS
Forward Deployed Engineer
Beacon Software
Toronto, Ontario
- Full-time
A strong generalist engineer. You can ship full-stack TypeScript or Python on the backend, React on the frontend, SQL fluently, comfortable in someone else’s codebase within a day. You do…
Added 5 months ago
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Principal/Senior Software Engineer
PointClickCare
Mississauga, Ontario
- Full-time
Added 5 months ago
IL
Senior Engineer – Digital Distribution & Engagement
Invesco Ltd.
Charlottetown, Prince Edward Island
- Full-time
…frameworks. The position requires a strong technical hands-on-skilled engineer. A successful candidate must demonstrate strong analytical, design, programing, and debugging skills in a…
Added 5 months ago
TA
Forward Deployed Engineer (Generative AI)
Tiger Analytics Inc.
Remote, Canada
- Full-time
- Remote
Tiger Analytics is looking for experienced Forward Deployed Engineer (Generative AI) with Gen AI experience to join our fast-growing advanced analytics consulting firm. Our employees bring…
Added 5 months ago
TA
Forward Deployed Engineer (Generative AI)
Tiger Analytics Inc.
Remote, Canada
- Full-time
- Remote
Tiger Analytics is looking for experienced Forward Deployed Engineer (Generative AI) with Gen AI experience to join our fast-growing advanced analytics consulting firm. Our employees bring…
Added 4 months ago
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Engineering Manager, Data AI & Analytics
''
Toronto, Ontario
- Full-time
- Other
Reporting to the Director of Platform Engineering, Data AI & Analytics, the Data Engineer Manager leads and develops a team of Data Engineers while remaining hands-on in the delivery of…
Added 5 months ago
Robotics - Software Development Engineer
Amazon
Toronto, Ontario
- Experience with at least one modern language such as Java, Python, C++, or C# including object-oriented design
Added 4 months ago
C
Systems Engineer
CAE
Montreal, Quebec
- Full-time
Added 4 months ago
AI Developer/Prompt Engineer
Levio
Toronto, Ontario
We are seeking AI Developer /Prompt Engineer to contribute to major projects.
Added 5 months ago
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AI Engineer - Remote
Huzzle
Remote, Canada
- Full-time
- Remote
We are looking for a skilled AI Engineer with at least 2 years of hands-on experience in developing, deploying, and optimizing AI and machine learning solutions. You will work closely with…
Added 5 months ago
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Product Engineer (Pharma)
Basetwo
Remote, Canada
- Full-time
- Remote
We’re hiring a Product Engineer to work closely with pharmaceutical and chemical manufacturing customers to deploy AI-powered solutions in real lab-scale and GXP environments.
Added 5 months ago
T
Applied Scientist, Pro Growth
Thumbtack
Remote, Canada
- Full-time
- Remote
3+ years of industry experience as an applied scientist, data scientist, or ML engineer with ownership of production ML models.
Added 5 months ago
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Automation Engineer - Workflow & Process Automation
Huzzle
Remote, Canada
- Full-time
- Remote
We’re hiring a skilled Automation Engineer to help design, build, and optimize scalable workflows that improve business efficiency and eliminate repetitive tasks. This is a great…
Added 5 months ago
S
Associate AI Engineer
ShyftLabs
Toronto, Ontario
- Full-time
ShyftLabs is looking for an Associate AI Engineer (New Grad) to join our growing engineering team. This is an exciting opportunity for a recent graduate or early-career engineer who wants…
Added 6 months ago
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Go-to-Market Engineer
atqleads
Remote, Canada
- Contract
- Remote
The GTM Engineer is the engine builder at the core of every ATQ Squad engagement.
Added 5 months ago
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Software Engineer, Detection (TOR)
Doppel
Toronto, ON
- $157,000 to $367,000 CAD / year
- Full-time
Strong mastery of at least one backend language (Python, Go, Java, or Node) and comfort with web APIs, async processing, and service frameworks.
Added 2 months ago
Sr. Staff Physical Design Timing Engineer (STA)
Lightmatter
Toronto, ON
We are hiring a Physical Design Timing Engineer to help drive backend digital execution for some of the leading photonics based interconnect solutions. You will work alongside a team of…
Added 2 months ago
Data Platform Operations Engineer
Scotiabank
Toronto, ON
The Data Platform Operations Engineer will play a critical role within the Enterprise Data & AI Technology organization - one of Scotiabank’s most significant enterprise-wide strategic…
Added 5 months ago
Network Engineer, Foundation and Support (Edge/Backbone Infrastructure Design)
Meta
Quinte West, Ontario
…this role, we are looking for a Network Infrastructure Design Engineer with demonstrated experience in developing and delivering network infrastructure solutions at scale in a data center…
Added 1 month ago
M
DevSecOps Engineer
Maxima
Toronto, ON
- Full-time
Proficiency in Go, TypeScript, Python, or similar languages for automation and development
Added 5 months ago
S
Senior Software Engineer II
SurveyMonkey
Remote, Canada
- $126,400 to $158,000 CAD / year
- Full-time
- Remote
The Machine Learning Platform team (MLP) is seeking a Senior Software Engineer II to design and implement the secure, highly scalable, and high-performance pipelines that govern the…
Added 5 months ago
GS
Senior Site Reliability Engineer
Guidewire Software
Remote, Canada
- Full-time
- Remote
…great people. We’re searching for a Senior Site Reliability Engineer who not only brings deep technical expertise but also thrives on engaging with customers, partners, and cross-functional…
Added 5 months ago
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Machine Learning Engineer, Underwriting
Bree
Remote, Canada
- $180,000 to $250,000 CAD / year
- Full-time
- Remote
We’re looking for a Machine Learning Engineer to build and scale high-impact, world-class ML systems. You’re passionate about deploying AI solutions, optimizing performance, and driving…
Added 5 months ago
H
AI Engineer - Remote
Huzzle
Remote, Canada
- Full-time
- Remote
We are looking for a highly skilled AI Engineer to design, build, and deploy AI-driven applications and machine learning solutions. You’ll work closely with product, engineering, and data…

Lightmatter

Sr. Staff Physical Design Timing Engineer (STA)

Toronto, ON, Canada

$191,000 - $220,000 CAD

Apply About employer

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Job details

Pay: $191,000 - $220,000 CAD
Experience: 12 years of Physical Design experience, with a minimum of 5 years hands-on experience in ASIC STA and timing constraints development, timing closure with Cadence or Synopsys tools
Posting language: English
Posted: Aug 25, 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!

About this role

We are hiring a Physical Design Timing Engineer to help drive backend digital execution for some of the leading photonics based interconnect solutions. You will 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 industry. If your passion is innovation, solving challenging technical problems and doing impactful work you should join our team.

In this job you will be responsible for timing constraints development, STA and timing closure on leading edge CMOS technologies and flows. This includes synthesis through place and route, timing closure, and tapeout signoff.

Responsibilities

Drive the STA sign-off for our flagship Silicon photonics chips at various technology nodes.
Analyze fab guidelines and work with the methodology team to incorporate sign off corners, margins, and derates into timing analysis flows and methodologies.
Collaborate with the architecture, RTL, and DFT teams to analyze the timing complexities and develop consolidated timing modes and constraints for synthesis, along with PnR and chip timing sign-off flows.
Analyze and understand the tradeoffs between power/performance and area goals to drive them into overall chip implementation flows.
Run full-chip STA and accurately project the timing summary across scenarios.
Leverage Tempus/PrimeTime to automate timing ECO generation for effective closure and support physical design implementation.
Document best practices and lessons learned to drive continuous improvements in future projects.

Qualifications:

Bachelor’s degree in Electrical Engineering or Computer engineering
12 years of Physical Design experience, with a minimum of 5 years hands-on experience in ASIC STA and timing constraints development, timing closure with Cadence or Synopsys tools
Experience in driving timing closure by effectively managing on-chip variation derates, optimizing multi-mode multi-corner constraints, and implementing robust clock tree building strategies
Well versed with scripting languages like TCL and Python, PERL, or Shell
Strong problem solving skills with attention to every technical aspect
Be a strong team player with clear and precise communication skills

Preferred Qualifications:

Master’s degree in Electrical Engineering or Computer engineering
A minimum of 8 years of hands-on experience in ASIC STA and timing constraints development, timing closure with Cadence or Synopsys 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 - $220,000 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.

Apply About employer

More about this job

Responsibilities

Drive the STA sign-off for Silicon photonics chips and analyze fab guidelines to incorporate sign-off corners into timing analysis flows. Collaborate with various teams to develop timing modes and constraints for synthesis and chip timing sign-off flows.

Requirements

A bachelor's degree in Electrical Engineering or Computer Engineering is required, along with 12 years of Physical Design experience and 5 years in ASIC STA. Preferred qualifications include a master's degree and 8 years of hands-on experience in the same field.

Skills

Physical Design
Timing Engineer
STA
Timing Closure
Cadence
Synopsys
TCL
Python
PERL
Shell
Problem Solving
Communication
ASIC
Chip Implementation
Timing Analysis
Automation

Benefits

Comprehensive Health Care Plan
Life Insurance
Generous Time Off
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
Timing Engineer
STA
Timing Closure
Cadence
Synopsys
TCL
Python
PERL
Shell
ASIC
Chip Implementation
Timing Analysis
Automation
Silicon Photonics
Data Center
AI
HPC
3D-Stacked Photonics Engine
Passage
Timing Constraints
Synthesis
Place and Route
Tapeout Signoff
Power Performance
Area Goals
Full-Chip STA
Timing Summary
Timing ECO Generation
Methodology Team

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