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Added 4 mins ago
GV
Lead Power Systems Protection & Control Application Engineer (Part Time)
GE Vernova
Markham, ON
- Part-time
…generation of power system protection. As a Lead Application Engineer, you will bridge the gap between complex power system theory and real-world algorithm implementation, playing a pivotal…
Added 18 mins ago
CO
Specialist Systems, IT
City of Mississauga
Mississauga, ON
- Full-time
Investigate and resolve application, infrastructure, networking, security and deployment issues.
Added 18 mins ago
T
Machine Learning Engineer
TEEMA
Toronto, ON
- $115,000 to $120,000 CAD / year
- Full-time
MLOps Developer / DevOps Infrastructure Engineer
Added 18 mins ago
W
AI Engineer/Developer
W3Global
Toronto, ON
- $60,000 to $68,000 CAD / year
- Full-time
Ensure AI solutions comply with security, governance, and Responsible AI standards.
Added 19 mins ago
SL
Principal Software Engineer, MarTech Platforms & Digital Enablement
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Toronto Atria
- Full-time
At Sun Life, we're driven by our Purpose: helping our Clients achieve lifetime financial security and live healthier lives. Our values shape how we work: caring, authentic, bold, inspiring,…
Added 34 mins ago
A
Senior Data Engineer - Temporary
ARC'TERYX
North Vancouver, BC
- Full-time
As a Senior Data Engineer, you will lead the design and implementation of complex data architectures that drive critical business decisions across the organization. You'll architect…
Added 34 mins ago
C
Senior Python Engineer
Citi
Mississauga, ON
- Full-time
Solid understanding of secure coding practices and application security principles (OWASP Top 10).
Added 48 mins ago
IP
Maintenance Supervisor
Intercity Packers Meat & Seafood
AB · Edmonton, AB
- Full-time
Routinely inspect various elements of buildings and grounds (e.g., elevators, fire alarms, security cameras, sprinkler systems).
Added 48 mins ago
GV
Lead Power Systems Protection & Control Application Engineer (Part Time)
GE Vernova
Markham, ON
- Part-time
…generation of power system protection. As a Lead Application Engineer, you will bridge the gap between complex power system theory and real-world algorithm implementation, playing a pivotal…
Added 48 mins ago
P
Software Engineer
ProxyLink
Toronto, ON
- $80 to $90 CAD / hour
- Contract
Experience with security frameworks such as Spring Security, Apache Shiro, or ForgeRock.
Added 49 mins ago
DevOps Engineer(Salesforce)
Scotiabank
Toronto, ON
The Commercial Banking Engineering team is seeking a Salesforce DevOps Engineer who will be responsible for ideation support, design, development, and implementation of software to ensure…
Added 56 mins ago
FS
Wireless communications network engineer
F2G Solutions
Toronto, ON
- $53 to $55 CAD / hour
- Full-time
- On-site
Added 59 mins ago
IÉ
Mechanical engineer
Innergex énergie renouvelable inc.
Vancouver, BC
- $90,100 to $95,000 CAD / year
- Full-time
- On-site
Added 1 hour ago
EI
Field Engineer - Tunnel & Underground
EBC Inc.
Vancouver, BC
- Full-time
We are looking for a Tunnel Field Engineer to join our Stanley Park project in Vancouver.
Added 1 hour ago
VT
AI Platform Developer
Volgo Technologies
Toronto, ON
- Contract
We are looking for a hands-on engineer who can build and deploy production-grade Agentic AI and multi-agent systems using Google ADK and MCP, while developing scalable AI platform…
Added 1 hour ago
S
Engineering Lead – Structural
SYSTRA
Montreal, QC
- Full-time
Reporting to the Facilities Design Director, within the Co-Development Phase of the ALTO programme, the Engineer Lead will provide technical governance, lead design, coordination and…
Added 1 hour ago
V
Python Software Engineer
Varonis
Vancouver, BC · Greater Vancouver, BC
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Senior Software Engineer – Secure AI Platform (Vancouver, On-Site)
Added 1 hour ago
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Senior Civil Engineer - Ressources
WSP
Sudbury, ON
- Full-time
To support our continued growth, we are hiring an Senior Civil Engineer. In this role, you’ll help deliver impactful industrial civil engineering projects - from conceptual design to…
Added 1 hour ago
Senior Data Engineer
Scotiabank
Toronto, ON
As a Senior Data Engineer within the Data & AI Technology team, you will play a critical leadership role in designing, building, and scaling enterprise grade data platforms. You will…
Added 1 hour ago
Data Engineer
MCAP
Waterloo, ON · Toronto, ON
This position is responsible for the analysis, design, execution, assessment, security, and troubleshooting of data, data pipelines, and reporting. This role is responsible for…
Added 1 hour ago
PC
Project Engineer
Pattillo Construction Corporation
Montreal, QC · Urban agglomeration of Montreal, QC
- Volunteer
Attends and participates in meetings with Architect/Engineer and owner representatives, provides information and assists the Project Manager in the preparation of progress reports/meeting…
Added 1 hour ago
C
Train Conductor
CN
AB · Edmonton, AB
- Full-time
Write and pass safety and rules exams (as per collective agreement, subsequent mandatory Locomotive Engineer qualification to retain seniority and employment)
Added 1 hour ago
W
Principal Process Automation & Controls Engineer
Worley
Calgary, AB
- Full-time
The Principal Process Automation & Controls Engineer is responsible for providing control system engineering support for industrial facilities and projects. The role requires an…
Added 1 hour ago
SL
Data Engineer
Staffingine LLC
Toronto, ON
- Contract
We are looking for an experienced Data Engineer with strong hands-on expertise in Databricks, Azure database technologies, Oracle, and Python. The ideal candidate should have experience…
Added 1 hour ago
LT
Data Engineer & Data Designer
Lorven Technologies Inc.
Toronto, ON
- Full-time
Follow best practices for data security, governance, performance optimization, and documentation.

Lightspeed Commerce, Inc.

Senior Engineer, Application Security

Remote, Canada

Remote

Full-time

Apply About employer

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Job details

Job type: Full-time
Workplace: Remote
Posting language: English
Posted: Oct 9, 2026

Original job description

Hi there! Thanks for stopping by 👋

Are you actively looking for a new opportunity? Or just checking the market? Well… you might just be in the right place!

As a Senior Application Security Engineer, you will serve as a foundational anchor on the AppSec team, leading our strategic shift hard-left toward developer-embedded security and Secure by Design operationalization. You will design, build, and scale state-of-the-art AppSec practices while collaborating closely with Vulnerability Operations to streamline vulnerability triage and remediation. Leveraging cutting-edge AI-assisted workflows and modern automation, you will eliminate friction for developers, burn down legacy risks, and fortify software lifecycles against sophisticated, emerging threat vectors.

What you’ll be doing:

Operationalize Secure by Design principles end-to-end, embedding seamless security controls directly into feature designs, pull requests, IaC checks, and daily engineering workflows.
Architect high-impact feature and infrastructure threat models, validating and enhancing advanced AI-generated threat modeling pipelines.
Configure, fine-tune, and orchestrate SAST, DAST, SCA, Secrets, and LLM scanner rulesets to eliminate false positives and streamline Vulnerability Operations.
Build and stabilize new AppSec processes and ways of working while ensuring legacy security controls remain fully active.
Pioneer AI-driven automation to dramatically accelerate vulnerability triage and remediation, systematically burning down security backlogs.
Provide hands-on technical fix guidance to developers for complex structural flaws and web application vulnerabilities.
Drive developer security enablement across the organization - championing our Security Champions program and delivering engaging, impactful secure coding workshops.
Partner closely with Platform and Infrastructure Security teams to build frictionless, automated guardrails into CI/CD pipelines.

What you need to bring:

Deep, hands-on experience in Application Security, Product Security, or Secure Software Engineering in high-growth cloud environments.
Bachelor's degree in Computer Science, Cybersecurity, or Software Engineering, or equivalent practical experience.
Deep understanding of web application vulnerabilities (OWASP Top 10), business logic flaws, and secure coding practices.
Proven track record tuning SAST, DAST, SCA, Secrets, and LLM scanner pipelines in CI/CD environments.
Demonstrated experience with threat modeling methodologies, Secure by Design principles, and guiding developers through code remediations.
Proven experience leveraging AI/LLM tools to automate security analyses, accelerate triage, and optimize developer security workflows.
Fluency in modern software development languages (e.g., Python, Go, JavaScript/TypeScript, Java).
Excellent cross-functional influence and communication skills to effectively lead the Security Champions program.

What’s in it for you:

Join a growing team and help us move to the next level
Amazing benefits & perks, including equity for all Lightspeeders
Constant development of both your skill-set and business acumen with limitless growth opportunities
Lots of autonomy, flexible work culture
Innovation time to explore and learn at work
Shaping the company by joining cultural & technical committees
Tons of growth opportunities into technical or people management roles
Opportunity to join a fast-paced, high-growth company
Opportunity to learn, expand your skill set, forge wonderful relationships and make your mark within the diverse and inclusive Lightspeed family, a true Canadian tech success story

…. And enjoy a range of benefits that will keep you happy, healthy and (not) hungry.

Lightspeed equity scheme (we are all owners).
Flexible paid time off and remote work policies.
Health insurance.
Contributions to your pension plan - RRSP.
Health and wellness benefit of $500 per year.
Paid leave and assistance for new parents.
Mental health online platform and counseling & coaching services.
Training opportunities to grow your skills and career
Volunteer day.
Fully stacked kitchen (hot and cold beverages, meals served)
Happy hours to build your relationships with colleagues after work

Fuel your growth. Find your people.

At Lightspeed, your growth is our priority. We invest in you with continuous learning opportunities, global mobility and benefits designed to support you - all within a driven, diverse and inclusive team that’s passionate about empowering our communities

Please note that we ask applicants to disclose any criminal convictions, and we conduct criminal record checks as part of our hiring process for this role.

To all recruitment agencies: Lightspeed does not accept unsolicited agency resumes. If we have not directly engaged your company in writing to supply candidates for a specific vacancy, Lightspeed will not be responsible for any fees related to unsolicited resumes.

Lightspeed is a proud equal opportunity employer and we are committed to creating an inclusive and barrier-free workplace. Lightspeed welcomes and encourages applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process.

Where to from here?

Obviously, this has to be mutually beneficial: we want you to step into a role you love, and we want to offer you a place you’re proud to come to every day. For a glimpse into our world check out our career page here.

Lightspeed is building communities through commerce, and we need people from all backgrounds and lived experiences to do that. We were founded in 2005, in Montreal’s gay village and our original members were all part of the LGBTQ+ community. The ethos of our business has been about inclusion from the very beginning, and we strive to provide a workplace where everyone belongs.

Who we are:

Powering the businesses that are the backbone of the global economy, Lightspeed's one-stop commerce platform helps merchants innovate to simplify, scale, and provide exceptional customer experiences. Our cloud commerce solution transforms and unifies online and physical operations, multichannel sales, expansion to new locations, global payments, financial solutions, and connection to supplier networks.

Founded in Montréal, Canada in 2005, Lightspeed is dual-listed on the New York Stock Exchange (NYSE: LSPD) and Toronto Stock Exchange (TSX: LSPD). With teams across North America, Europe, and Asia Pacific, the company serves retail, hospitality, and golf businesses in over 100 countries.

Lightspeed handles your information in accordance with our Applicant Privacy Statement.

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More about this job

Responsibilities

You will lead the strategic shift toward developer-embedded security and Secure by Design principles while architecting advanced threat modeling pipelines. Additionally, you will automate vulnerability triage and remediation workflows using AI-assisted tools and provide technical guidance to developers.

Requirements

The role requires deep hands-on experience in Application Security or Secure Software Engineering within high-growth cloud environments. Candidates must possess a bachelor's degree in a relevant field and demonstrate proficiency in modern programming languages and security scanning tools.

Skills

Application Security
Secure by Design
Threat Modeling
SAST
DAST
SCA
Secrets Management
LLM Scanner
Python
Go
JavaScript
TypeScript
Java
CI/CD
Vulnerability Management
Cloud Security

Benefits

Equity
Flexible paid time off
Remote work policies
Health insurance
Pension plan contributions
Health and wellness benefit
Paid parental leave
Mental health support
Training opportunities
Volunteer day
Fully stacked kitchen

Remote locations

Calgary, Alberta, Canada

Remote locations (standardized)

Calgary, Alberta, Canada

Visa sponsorship

Not detected in the job text

Keywords

Application Security
Product Security
Secure Software Engineering
Cloud Environments
OWASP Top 10
SAST
DAST
SCA
Secrets Management
LLM
Threat Modeling
Secure by Design
CI/CD
Python
Go
JavaScript
TypeScript
Java
Vulnerability Operations
Automation
Security Champions
Infrastructure Security
Platform Security
IaC
Web Application Vulnerabilities
Business Logic Flaws
Secure Coding
AI-assisted Workflows
Software Lifecycle
Threat Vectors

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