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Added 15 mins ago
WO
Modality Supervisor – X-Ray - Multiple sites
William Osler Health System
Brampton, ON
- Full-time
…training and promotional opportunities. Guided by our accomplished senior leadership team, together we are driving our vision of world-class health care inspired by our people and…
Added 15 mins ago
P
Internal Audit Senior Associate
PwC
Toronto, ON
- Full-time
As an Internal Audit Senior Associate, unlock your potential and embrace the chance to drive meaningful outcomes that’ll elevate your career. You will have the opportunity to work with…
Added 28 mins ago
WO
Modality Supervisor – X-Ray - Multiple sites
William Osler Health System
Brampton, ON
- Full-time
…training and promotional opportunities. Guided by our accomplished senior leadership team, together we are driving our vision of world-class health care inspired by our people and…
Added 28 mins ago
WO
Modality Supervisor – X-Ray - Multiple sites
William Osler Health System
Brampton, ON
- Full-time
…training and promotional opportunities. Guided by our accomplished senior leadership team, together we are driving our vision of world-class health care inspired by our people and…
Added 28 mins ago
PH
Estimator & Senior Estimator, ICI Buildings - Permanent - 4299
Parker Huggett - A Division of LRO Staffing
Vaughan, ON
- Full-time
…pre-construction capacity at two levels, so they are adding one Senior Estimator and one Estimator. Both are additions. Neither is a…
Added 30 mins ago
P
Bilingual Senior Associate-Financial Crime and AML
PwC
Toronto, ON · Montreal, QC
- Full-time
As a Senior Associate-Financial Crime and AML, unlock your potential and embrace the chance to drive meaningful outcomes that’ll elevate your career. Your role will include, but isn’t…
Added 30 mins ago
A
Spécialiste principal (e) de l’implantation, Gestion du temps / Senior Implementation Specialist, Time
ADP
Montreal, QC
- Full-time
Added 30 mins ago
A
Lead Implementation Specialist, Payroll / Spécialiste en chef d’implantation, Paie
ADP
Montreal, QC · Dartmouth, NS
- Full-time
Risk Management: Identify and escalate critical issues to senior leadership as necessary. Develop and implement contingency plans to address potential project disruptions.
Added 44 mins ago
AB
National Account Manager
Aldermore Bank
Field, BC
- Full-time
This role offers the perfect blend of relationship management and commercial strategy. You'll work closely with senior leaders across the intermediary market, developing joint business…
Added 46 mins ago
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Independent Contract - Jim
-30- Forensic Engineering
Toronto, ON
- Contract
…Geotechnical. Reporting to the Vice President, Materials, this senior position will provide technical and practice leadership while supporting complex forensic investigations, client…
Added 59 mins ago
ED
Sr Software Developer (Lead) - EN 178
Export Development Canada | Exportation et développement Canada
Ottawa, ON
- $96,557 to $128,743 CAD / year
- Full-time
What this role is and is not: This is a hands-on full-stack developer role with some upfront solution design and architecture responsibilities. Most of your time will be spent building,…
Added 59 mins ago
AL
Change Management Specialist
Accion Labs
Winnipeg, MB
- Contract
Added 1 hour ago
M
Engineering Lead - Geographic Information Systems (GIS)
Metrolinx
Canada
- Full-time
Provide senior leaders with clear, spatially informed decision-support information.
Added 1 hour ago
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Senior MEP Manager
EllisDon
London, ON · ON · Ontario Projects
- Full-time
Added 1 hour ago
GA
Workday System Analyst
G Adventures
Toronto, ON · Base Camp - Toronto, Canada
- $75,000 to $90,000 CAD / year
- Full-time
Contribute to project planning activities, including estimating effort, identifying dependencies, and tracking milestones under guidance from senior team members.
Added 1 hour ago
A
Senior Manager – Cyber Exposure, Testing & Intelligence
Accenture
Toronto, ON · Ottawa, ON · Montreal, QC · Vancouver, BC
- Full-time
…people leadership. You can engage credibly with C-suite and senior security stakeholders, translate business and technical needs into differentiated solutions, and mobilize…
Added 1 hour ago
Product Manager
Dye & Durham Talent Team
Toronto, ON
Provide regular updates to senior leadership on roadmap progress, strategic initiatives, risks, and performance metrics.
Added 1 hour ago
M
Senior Advisor, SSE
Metrolinx
Toronto, ON · Scarborough
- Full-time
Added 1 hour ago
C
Director, Chapter Lead, Mass Affluent
CIBC
Toronto, ON
- Full-time
…acquisition, relationship deepening, and scale. You'll advise senior leaders on complex decisions, investment choices, and trade-offs that influence business direction and client outcomes.…
Added 1 hour ago
SR
Senior Software Engineer
Sage Recruiting Inc.
Toronto, ON
- $180,000 to $220,000 CAD / year
- Full-time
You’re either Senior or Staff level and have experience taking features from concept to completion. You understand database design and system architecture. You’re comfortable in TypeScript…
Added 2 hours ago
Senior Campaign Manager (20 Month Contract)
Varicent
Toronto, ON
As a Senior Campaign Manager, you will join Varicent’s Global Integrated Campaigns team and play a key role in generating pipeline and revenue from net-new prospect accounts across global…
Added 2 hours ago
C
Director, Chapter Lead, Mass Affluent
CIBC
Toronto, ON
- Full-time
…acquisition, relationship deepening, and scale. You'll advise senior leaders on complex decisions, investment choices, and trade-offs that influence business direction and client outcomes.…
Added 2 hours ago
S
Business System Analyst
SMARTFOX
Canada
- Full-time
Senior Business Systems Analyst - 5+ years : Leading implementations and upgrades, shaping system strategy and roadmap, designing integrations, advising leadership on technology decisions
Added 2 hours ago
S
Production Manager, Live Events
Stagevision
Mississauga, ON
- $85,000 to $100,000 CAD / year
- Full-time
Take the lead on site as the senior production authority when required, overseeing every technical and logistical element of the show
Added 2 hours ago
Business Systems Analyst, Systems & Data Transformation
Munich Re
Toronto, ON
Present findings, recommendations, and business cases to senior stakeholders.

Lightspeed Commerce, Inc.

Senior Engineer, Application Security

Remote, Canada

Remote

Full-time

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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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