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Added 2 mins ago
AC
Technical Sales Representative- Eastern Ontario
Atlas Copco
Toronto, ON · North York, ON
- Full-time
Our solutions are a key part of most industries - electronics, medical research, renewable energy, food production, infrastructure and many more. Working with us means working with the…
Added 2 mins ago
AC
Senior System Architect
Amphenol Communications Solutions
Markham, ON
- Full-time
…lifecycle management of the company’s enterprise systems and hybrid infrastructure. This role owns the target architecture and technical standards across Microsoft Azure, Azure Local,…
Added 2 mins ago
AC
Senior System Administrator
Amphenol Communications Solutions
Markham, ON
- Full-time
Security Operations: Define and enforce the infrastructure security baseline, including system hardening, patch and vulnerability management, Microsoft Defender, SIEM monitoring (e.g.,…
Added 2 mins ago
3T
Site Reliability Engineer
360 Technology
Toronto, ON
- Full-time
Participate in the shared on-call rotation as the platform’s subject-matter escalation, and lead incident management for customer-facing events
Added 4 mins ago
PC
Senior Systems Engineering & Integration Engineer
Parsons Corporation
Kingston, ON · Ottawa, ON
- Full-time
Interaction with Operations and Maintenance teams
Added 4 mins ago
Electrical / Instrumentation Technician - Pipeline
Wolf Midstream
AB
Reporting to the Wolf Pipeline Supervisor, South Operations and taking direction from the Wolf Pipeline South Maintenance Lead, this position will perform journeyperson level work related…
Added 19 mins ago
NC
Quantitative Developer
Nymbus Capital
Montreal, QC
- Full-time
Own the platform architecture: Set technical priorities, make architectural decisions, and drive the evolution of our data, research and trading infrastructure with high autonomy.
Added 19 mins ago
JI
Service Desk Analyst
J.D. Irving, Limited
Fredericton, NB
- Full-time
This role offers an excellent opportunity to develop your technical expertise, expand your understanding of business operations, and contribute to the continuous improvement of IT services.…
Added 19 mins ago
C
Director - Production Application Support
CIBC
Toronto, ON
- Full-time
…operation and implementation of production applications and infrastructure for commercial banking. This role leverages leadership skills and technical expertise to identify opportunities…
Added 19 mins ago
B
Operations Manager
BGIS
Edmonton, AB
- Full-time
The Operations Manager is responsible for providing leadership, operational oversight, strategic direction, and innovation across assigned facilities, portfolios, and service delivery…
Added 19 mins ago
C
Business Development and Strategic Projects Manager
Co-op
Minnedosa, MB
- Full-time
…materials and housing solutions. In addition, this role will lead strategic projects from concept to execution, including RTM development opportunities, First Nations housing partnerships,…
Added 33 mins ago
BC
Director, Communications and Engagement – Redevelopment Projects
Brant Community Healthcare System
Brantford, ON
- Full-time
At BCHS, we are driven by a bold vision: To Lead Beyond Care. As a two-site community hospital system in Brantford and Paris, Ontario, we serve with purpose, passion, and a deep commitment…
Added 33 mins ago
ES
Project Manager - Construction and Energy Efficiency at Toronto!
Equans Services Canada & US
Toronto, ON
- Full-time
get there. You will help lead the execution phase, from preconstruction and site activities through to
Added 33 mins ago
NC
Quantitative Developer
Nymbus Capital
Montreal, QC
- Full-time
Own the platform architecture: Set technical priorities, make architectural decisions, and drive the evolution of our data, research and trading infrastructure with high autonomy.
Added 33 mins ago
SS
General Manager - Steel & Fabrication Industry
Summit Search Group
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Lead, mentor, and inspire a team of operations and production leaders to deliver on key performance metrics for safety, quality, delivery, and cost.
Added 34 mins ago
BI
Software Development Manager
BrightOrder Inc.
Remote, Canada
- Full-time
- Remote
…EMDECS and emdecs one platforms. Reporting directly to the VP of Operations & Customer Experience, you will own the full software delivery lifecycle, from planning and execution to release…
Added 34 mins ago
IT Support Technician
CONA Services
Montreal, QC · Lachine, QC
Lead and assist OT network systems and IT operations at the production facility, ensuring timely resolution of technical issues and continuous improvement of operational performance.
Added 34 mins ago
Contracts and sourcing Specialist
Bell
Regina, SK
…coast‑to‑coast compute fabric, Bell is creating the foundational infrastructure required to power the next generation of AI innovation while ensuring data sovereignty, resilience, and…
Added 49 mins ago
T
Executive Operations Lead
TextLayer
Remote, Canada
- $100,000 to $150,000 CAD / year
- Full-time
- Remote
The Executive Operations Lead is part executive assistant, part operations owner, and part cultural force. You'll be a key member of the exec team, keeping leadership moving, keeping the…
Added 1 hour ago
GC
Supervisor, Maintenance Processing
Glencore Canada
Elkford, BC
- $123,000 to $145,000 CAD / year
- Full-time
EVR is proud to be part of the Glencore Group, contributing to a global portfolio of operations with a history that dates back more than 100 years in Canada.
Added 1 hour ago
BC
Excavator Operator
BRUSH careers
NS · Inverness, NS
- Full-time
We have an opportunity for an experienced Excavator Operators to join the BRUSH Power Solutions Scotland Operations team, supporting the delivery of power infrastructure, cable installation…
Added 1 hour ago
W
Site Engineer
Webuild
Toronto, ON
- Full-time
…a global player with Italian roots, specializing in complex infrastructure - innovative and sustainable works that improve lives. Over the past century, we’ve built some of the world's most…
Added 1 hour ago
WI
Senior Principal Engineer / Technical Director - Tailings & Mine Waste
WSP in Canada
Calgary, AB
- Full-time
Provide strategic technical leadership for major tailings and mine waste projects from concept development through operations and closure.
Added 1 hour ago
W
HR Administrative Assistant
Webuild
Toronto, ON
- Full-time
…a global player with Italian roots, specializing in complex infrastructure - innovative and sustainable works that improve lives. Over the past century, we’ve built some of the world's most…
Added 1 hour ago
TC
Data & Analytics Solutions Architect - Open Source
Tata Consultancy Services
Toronto, ON
- $110,000 to $130,000 CAD / year
- Full-time
…clients to transform themselves across the full AI stack, from infrastructure to…

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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