Product Security Engineer securing Fellow’s AI meeting assistant and software platforms. Building security tooling, remediating vulnerabilities, and enabling safe AI-assisted development.
Responsibilities
Identify the highest-leverage opportunities to strengthen Fellow’s security, define practical paths forward, and drive work across teams
Build on and evolve existing security systems and practices as the product, architecture, and threat landscape change
Partner with engineering teams to threat model features, review designs, and reduce risk before production
Perform security-focused code reviews and advise on authentication, authorization, data protection, input handling, secrets, and business logic
Build reusable security primitives, paved-road patterns, libraries, and platform controls
Introduce and improve security tooling including static analysis, dependency scanning, secret detection, infrastructure scanning, and CI/CD guardrails
Find, prioritize, and drive remediation of vulnerabilities from internal testing, automated tooling, penetration tests, customer reports, and external researchers
Contribute to security incident response, investigation, containment, root-cause analysis, and post-incident hardening
Help engineers build security judgment through practical guidance, shared learning, and collaboration
Evaluate AI-agent and AI-assisted-development security implications and build tools, controls, and workflows for safe use at scale
Requirements
Professional experience in product security, application security, software engineering, infrastructure security, or a combination of these areas
Strong software engineering skills
Proficiency in at least one modern programming language, ideally Python
Experience identifying and remediating application vulnerabilities involving authentication, authorization, injection, data exposure, secrets, and business logic
Experience conducting threat models, security design reviews, and security-focused code reviews for production software
Ability to write code, build tooling, and help engineering teams implement durable solutions
Experience with SAST, SCA, DAST, secret scanning, cloud posture management, or infrastructure-as-code scanning
Familiarity with cloud infrastructure and security concepts including IAM, networking, containers, Kubernetes, and infrastructure as code
Track record of taking ambiguous, important problems from investigation through implementation and measurable improvement
Ability to operate with significant ownership and set direction within the area
Deep, practical use of AI coding agents such as Claude Code, Cursor, Codex, or similar tools
Track record of developing agentic workflows, tools, or practices that materially improve software development
Curiosity about emerging threats and commitment to continued learning
Nice to have: experience with penetration testing, offensive security, bug bounty programs, or external security researchers
Nice to have: experience securing AI-powered products, agentic systems, model integrations, or tools allowing AI systems to access data and take actions
Nice to have: security-community participation through research, open-source contributions, writing, or speaking
Benefits
Every employee receives stock options
Health and dental coverage, including prescription drugs and life insurance
12 weeks of paid parental leave at 80% of salary
Three weeks of vacation
Paid sick leave
Paid company-wide break at the end of the year
Remote-first flexibility — Work remotely within Canada
Learning budgets
Lunch-and-learns
Freedom to own your work end to end
Optional office space in Ottawa, Montreal, and Toronto
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