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Added 1 min ago
U
Statistical Assistant
UNESCO
Montreal, QC
- From $53,996 CAD / year
Calculate indicators for the assigned portfolio using existing programmes and standard statistical software (Python, R, SQL or Stata as applicable), following documented methodology.
Added 1 hour ago
AM
Principal ASIC Design Engineer
Advanced Micro Devices, Inc
Markham, ON
- Full-time
Proficiency with Verilog, SystemVerilog, and scripting languages such as Python, Perl, or Tcl for design automation and productivity improvements.
Added 3 hours ago
Sr SDET– Firmware Automation
Lightmatter
Toronto, ON
At Lightmatter, an SDET is a software engineer first , not a QA coordinator or manual tester. You'll design and build the frameworks, harnesses, and hardware-in-the-loop infrastructure that…
Added 3 hours ago
L
Sr SDET– Firmware Automation
Lightmatter
Toronto, ON
- Full-time
At Lightmatter, an SDET is a software engineer first , not a QA coordinator or manual tester. You'll design and build the frameworks, harnesses, and hardware-in-the-loop infrastructure that…
Added 4 hours ago
HL
Senior SWE - Python / TypeScript
Hyper Lychee Labs
Canada
- Contract
Proficiency(5+ yrs) in Python (especially building/maintaining pipelines and infra) or Typescript / Golang / Javascript (experience contributing to or navigating large codebases like VSCode…
Added 5 hours ago
N
Software Engineer - AI/Inference /Gateway
Nutanix
Vancouver, BC
- $103,000 to $155,000 CAD / year
- Full-time
…full-stack cloud platform helps you optimise IT costs with a software-defined cloud operating model. Harness AI-ready capabilities right out of the box, simplified to build, fine-tune, and…
Added 6 hours ago
M
Concepteur(trice), Logiciels / Designer, Software
Marconi
Montreal, QC
- Full-time
We are seeking an innovative, highly motivated, and autonomous Embedded Software Designer to join our advanced engineering team. In this role, you will design, develop, and optimize robust…
Added 6 hours ago
CS
Data Engineer
Curis Solutions
Engineer, BC
- Full-time
…customers range from small independent hospitals to large academic medical centers and expansive physician practice groups. We also provide solutions for the financial services industry and…
Added 8 hours ago
E
Security Specialist
Ericsson
Ottawa, ON
- Full-time
Practical scripting experience, such as Python, Bash, PowerShell, or similar.
Added 8 hours ago
E
AI Software Designer RAN & AI Solutions
Ericsson
Ottawa, ON
- Full-time
…Generation (RAG), AI agents, knowledge engineering, AI-assisted software development workflows, and Python-based AI/data…
Added 9 hours ago
A
Senior Content Rigger (Contract) - Sledgehammer Games
Activision
Toronto, ON
- Temporary
- Other
Sledgehammer Games is a leading developer in the video game industry, best known for its work on the Call of Duty franchise. Since its founding in 2009, the studio has delivered iconic…
Added 10 hours ago
WI
Information Security Operations Analyst (Toronto, Canada)
Women in Tech
Toronto, ON
- Full-time
Our ecosystem encompasses our pioneering, fully licensed UK bank (Starling), our global Software-as-a-Service technology platform (Engine by Starling), alongside a growing portfolio of…
Added 10 hours ago
GD
Software Engineering Developer, DevOps
General Dynamics Missions System International
Ottawa, ON
- $85,000 to $110,000 CAD / year
- Full-time
…experience a diverse variety of tasks through all stages of the software development life…
Added 11 hours ago
AB
Activision 2027 Summer Internship - Tech Design (Vancouver)
Activision Blizzard, Inc.
Vancouver, BC
- Full-time
Programming Languages: Proficiency in C++ (primary), along with C#, Lua, Python, or visual scripting environments (e.g., Unreal Blueprints).
Added 11 hours ago
AB
Senior Content Rigger (Contract) - Sledgehammer Games
Activision Blizzard, Inc.
ON · Work from Home - Canada ON
- Full-time
Sledgehammer Games is a leading developer in the video game industry, best known for its work on the Call of Duty franchise. Since its founding in 2009, the studio has delivered iconic…
Added 11 hours ago
OW
Oliver Wyman - Software Developer - Data & Analytics (DNA) Team
Oliver Wyman
Montreal, QC
- Full-time
Expérience pratique récente avec Python et, idéalement, avec un autre langage serveur (C#, .NET, Java, Rust ou C++).
Added 11 hours ago
E
AI Software Designer RAN & AI Solutions
Ericsson
Ottawa, ON
- Full-time
…Generation (RAG), AI agents, knowledge engineering, AI-assisted software development workflows, and Python-based AI/data…
Added 12 hours ago
AS
Senior Site Reliability / DataOps Engineer
Apex Systems
Toronto, ON
- $40 to $60 USD / hour
- Contract
Develop data processing and transformation solutions using PySpark, Python, and SQL .
Added 12 hours ago
AS
CSG Character Rigger
Apex Systems
Vancouver, BC
- $57 USD / hour
- Full-time
Added 12 hours ago
AS
Full Stack Developer, Java / Angular / AWS
Apex Systems
Toronto, ON
- $45 to $50 USD / hour
- Full-time
Senior Full Stack Developer, Java / Angular / AWS
Added 12 hours ago
Software Development Engineer II, AWS Marketplace
Amazon
Toronto, ON
Come build the platform that connects millions of AWS customers with the software they need to innovate. AWS Marketplace is one of the fastest-growing businesses at AWS, and you'll be at
Added 13 hours ago
B
Senior Consultant - Commercial Operations & Analytics
Beghou
ON · Durham, ON
- Full-time
Knowledge of coding languages (SAS, Python, R, VBA, etc.) and experience with data visualization software (Tableau, Power BI) is highly preferred.
Added 13 hours ago
RT
Conseiller(ère) sénior, Gestion des données de Foundry | Senior Advisor, Foundry Data Management
Rio Tinto
Montreal, QC
- Full-time
Solides compétences en Python, PySpark, SQL et en pratiques de gouvernance et de sécurité des données d’entreprise.
Added 13 hours ago
C
Software Developer
Cisco
Ottawa, ON
- Full-time
…automated installation, configuration, and seamless inline software upgrades across diverse physical and virtual form…
Added 13 hours ago
C
Software Developer (Hybrid)
Cisco
Vancouver, BC
- Full-time
…developers can influence product direction while delivering software used in real customer…

Lightmatter

Sr SDET– Firmware Automation

Toronto, ON, Canada

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Job details

Posting language: English
Posted: Oct 8, 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!

At Lightmatter, an SDET is a software engineer first , not a QA coordinator or manual tester. You'll design and build the frameworks, harnesses, and hardware-in-the-loop infrastructure that let firmware engineers test their own code continuously on real photonic hardware. You'll sit with the firmware team, spend time at the bench with oscilloscopes, debuggers, and optical instruments, and serve as the bridge between firmware and broader software and systems organizations.

Responsibilities

Own the architecture and roadmap of the firmware test automation framework across products, targets, sites, and teams
Design and build stable automation for new firmware features and hardware, held to production-quality engineering standards
Build and operate HIL test infrastructure: bench and rack fixtures, device farms, power/reset control, instrument integration, and CI orchestration on real photonic hardware
Define test strategy, plans, and reporting; lead test plan reviews across teams
Integrate firmware testing into CI/CD so every change is built, flashed, exercised on hardware, and reported automatically
Own framework reliability and flaky test metrics as first-class engineering problems
Build results, telemetry, and log pipelines for triage, trend analysis, and release decisions
Debug failures across the full stack (firmware, board, instrument, fixture, test code) and partner with engineers to resolve them
Participate in firmware design reviews to influence testability and diagnostics early
Integrate with data center management interfaces (CMIS, OpenBMC, DMTF); debug embedded systems using GDB, JTAG, and logic analyzers
Define diagnostics and monitoring architecture for photonic transceivers
Mentor engineers on test architecture and write clear documentation for non-specialists

Qualifications

8+ years of professional software development, primarily on embedded products, including designing test frameworks and infrastructure
BS or MS in Computer Science, Electrical Engineering, or equivalent experience
At least one automation framework or HIL system architected and built from scratch, adopted by other engineers, and in daily use and the ability to discuss its design, tradeoffs, and lessons learned
Strong Python: fixture and abstraction layers, hardware drivers, plugin/configuration architectures
Working fluency in embedded C/C++: able to read firmware drivers or state machines and write tests for edge cases
Experience owning CI/CD pipelines running tests on physical hardware (GitHub Actions, GitLab CI, Jenkins, or equivalent), including runner health, hardware allocation, and recovery
Track record of delivering robust automation under fast-changing requirements and hardware

Preferred Qualifications

PhD, or MS with 8+ years in embedded test automation or firmware development
Experience testing firmware for optical transceivers, photonic systems, or precision analog/mixed-signal hardware
Familiarity with CMIS, OpenBMC, or DMTF/Redfish
Experience with Pytest ecosystem and test tooling for Zephyr or FreeRTOS (Twister, ztest, Renode, QEMU, or similar)
Experience with optical and electrical test and measurement equipment
Startup experience
Thoughtful use of AI-assisted tools in test generation, triage, or analytics

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

You will design and build firmware test automation frameworks and hardware-in-the-loop infrastructure to ensure continuous testing on real photonic hardware. You will also integrate these tests into CI/CD pipelines and collaborate with firmware engineers to debug failures across the full stack.

Requirements

Candidates must have 8+ years of professional software development experience, primarily in embedded systems, with a strong background in Python and C/C++. A bachelor's or master's degree in Computer Science, Electrical Engineering, or equivalent experience is required.

Skills

Firmware Automation
Python
Embedded C/C++
Hardware-in-the-loop (HIL)
CI/CD
Test Architecture
Embedded Systems
Photonic Systems
CMIS
OpenBMC
DMTF
GDB
JTAG
Logic Analyzers
Pytest
Zephyr

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

Firmware
Automation
Photonics
Embedded Systems
Python
C++
C
HIL
CI/CD
GitHub Actions
GitLab CI
Jenkins
CMIS
OpenBMC
DMTF
Redfish
Pytest
Zephyr
FreeRTOS
GDB
JTAG
Logic Analyzers
Transceivers
Hardware-in-the-loop
Telemetry
Debugging
Test Framework
Data Center
AI Infrastructure
Startup

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