Lead product security for a fully remote Canadian team, protecting customer data through authorization, privacy engineering, and production code. This first dedicated security hire will work across every product team at a late-stage B2B data and AI company. You will spend most of your week in the codebase, secure internet-facing APIs, and shape designs before customers depend on them. The role reports to the VP of Engineering.

Key Responsibilities

Build and own the application security roadmap Ship security fixes in TypeScript and Go Harden products before they reach customers Secure PII handling, data residency, GDPR, and CCPA controls Extend backend security across recent regions

Requirements:

Deep distributed systems knowledge and backend experience Six or more years of security engineering experience Hands-on tenant isolation and authorization experience Experience at a high-growth or venture-backed company Computer Science, Math, Physics, or similar degree Apply product security expertise to privacy, APIs, distributed systems, tenant authorization, and hands-on production engineering across Canada.

#J-18808-Ljbffr

📌 Lead Product Security Engineer (Toronto)
🏢 The French Sourcer
📍 Toronto