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Senior Security Engineer, Application & Platform Security

Toronto, Ontario, Canada💼 Full-time💰 $200,000–$200,000🗓 2026-07-05 → 2026-07-29

Core

Securing Sentry's application and platform infrastructure, including code reviews, threat modeling, and vulnerability management for a developer-focused monitoring tool.

Role type

Senior Security Engineer (Application & Platform)

Builds

Secure-by-design practices, security tooling integrated into CI/CD, and mature vulnerability management programs.

Domain

Application Security, Cloud Security, DevSecOps

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Security reviews, threat modeling, vulnerability management, secure CI/CD integration, cloud security (AWS/GCP/Azure/Kubernetes), programming in Python/TypeScript/Go/Rust

Preferred skills

Automation-first mindset, cross-functional influence, novel attack surface analysis

Technologies

Python, TypeScript, Go, Rust, AWS, GCP, Azure, Kubernetes, Docker, Terraform

Responsibilities

Own and mature security review programs including secure code and architecture reviews; manage vulnerability intake, triage, and remediation; partner with engineering to embed security early in the SDLC; validate and reproduce security findings across applications and cloud platforms; evaluate emerging threats related to agentic and AI-assisted features.

Seniority

Senior, hands-on IC

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