As a Senior Software Engineer on our Security team, you’ll help shape the direction of our security tooling and AppSec practices and lead high-impact security work across the company
Your work spans offense and defense: hardening how our products are designed and built, breaking them to surface what matters, and building the tooling and AI that let engineers move fast without creating risk
You’ll report to our Staff Software Engineer - Security and work closely with product engineers, DevOps, and Fraud
Expect high autonomy, frequent collaboration, a fast pace, and reliance on your own initiative
You’ll take security initiatives end-to-end, mentor other engineers, and raise the bar for security practices across engineering
Help shape the technical direction of our security tooling and AppSec practices
Lead secure design across major engineering projects, from threat modeling through architecture
Design and evolve our DevSecOps architecture, deciding how security is embedded across the SDLC
Build and extend the in-house security tooling and find new and innovative ways to identify and remediate issues
Identify and implement new ways to use AI to automate and scale our security work
Perform advanced offensive security work, chaining vulnerabilities and building proofs of concept that demonstrate real business impact
Enable developers to write more secure code and ship security work faster via training and AI-powered tooling
Mentor and develop engineers on the team, and set the bar for what good security work looks like
Our Technology:




Services are authored as K8s-based microservices powered by Python FastAPI backends and Typescript React front-end code
Apps are built upon Postgres, Redis, Kafka, Elasticsearch, and Snowflake
Our infrastructure runs on AWS and leverages hosted infrastructure technologies such as EKS, MSK, Elasticache, and RDS. We use Istio for service mesh, Helm, TF and Crossplane for IAC, and Kyverno for policy-as-code enforcement
Vulnerabilities are managed through in-house, AI-native custom tooling that you’ll contribute to. We orchestrate open-source tools through this custom platform
Security and application logs/metrics/events are managed through Datadog
Our security stack is currently evolving as we select and quickly roll out new tools. You’ll play a key role in the selection and deployment of these
As an AI-First engineering organization, we leverage contemporary AI development workflows using tools such as Cursor, Claude, and internally built AI agents to accelerate implementation and iteration across our codebases. You’ll own and advance our AI infrastructure in this role
Benefits Competitive base salary
Yearly learning & development allowance
Generous equity options




Bi-annual performance & compensation reviews
RRSP & 401k employee contribution plan
Health, dental, & vision insurance on day one
Parental leave programs
Wellness reimbursement
Supplemental Life Insurance
Unlimited PTO (yes, really!)
Recharge days throughout the year
Office in Toronto
Permanent remote flexibility
Work-from-home allowance
5+ years working in security (AppSec, DevSecOps, offensive security, or similar)
Track record of leading security initiatives and mentoring or developing other engineers
Experience designing and embedding security across CI/CD pipelines and the SDLC
Experience leading threat modeling and secure design across engineering projects
Comfortable writing and maintaining code (Python preferred)
Professional offensive security experience, with a proven ability to find, chain, and exploit complex vulnerabilities in applications and infrastructure
Hands-on cloud infrastructure or cloud security experience (AWS, Kubernetes)
Strong communicator who can influence and drive security work across engineering, DevOps, and leadership
Relevant security certifications (e.g., Burp Suite Certified Practitioner, KCSA, AWS SCS, or similar)
Professional software development experience
Published security research, CVEs, or conference talks
Experience applying AI/LLMs to security or engineering workflows
Open-source security tool development or contributions
Mobile development or mobile security experience

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📌 Senior Software Engineer (Security) (Ontario)
🏢 super
📍 Ontario