Shape application security remotely in Canada through TypeScript, Go, and tenant isolation for a platform serving hundreds of enterprises.As the first dedicated security hire, you will own application security end to end and report to the VP of Engineering. This Lead-level role combines backend engineering with threat modeling, authorization design, privacy controls, and distributed systems security. You will influence products early while shipping production fixes yourself.Key Responsibilities:
Own application security across every product teamRead and write production TypeScript and GoThreat model products and major redesignsDesign sub-tenant access controls for enterprise customersImprove rate limiting and abuse detectionRequirements:
Six or more years in security engineeringBackend software engineering experience with production systemsExperience securing multi-tenant platforms across clouds or regionsEarly security hire experience at SaaS or data infrastructure companiesStaff or Lead level reached through promotionsLead secure backend development through tenant isolation, authorization, threat modeling, and hands-on TypeScript and Go engineering.
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📌 Lead Application Security Engineer (Winnipeg)
🏢 The French Sourcer
📍 Winnipeg