CareerPlan

Senior Software Engineer - Product Security

Kitchener-Waterloo, ONFull-time$160k–$222k2026-10-19 → 2026-11-10
Hybrid

Core

Build performant and scalable security frameworks and features for authentication, data access, and vulnerability mitigation within a global wholesale marketplace platform.

Role type

Senior IC Product Security Engineer

Builds

Scalable security frameworks, security features, and secure software for a global B2B marketplace

Domain

E-commerce / Wholesale / Cloud Security

Deliverable

production ML models | product features

Required skills

OOP programming (Java, Python, TypeScript), web application security (OWASP Top 10), cloud security (AWS, GCP), infrastructure as code (Terraform, Kubernetes), database security (MySQL, DynamoDB, CockroachDB)

Preferred skills

Experience with Risk, DevOps, and IT collaboration

Technologies

Kotlin, TypeScript, Python, AWS, OCI, Terraform, Kubernetes, HTTP, JSON, Protocol Buffers, MySQL, DynamoDB, CockroachDB

Responsibilities

Build security frameworks for authentication and data access; Collaborate with foundational teams to improve access controls and audit trails; Consult with product teams to identify and address security vulnerabilities; Promote security awareness and best practices; Build security features to protect customers and data

Seniority

Senior, hands-on IC