Senior Penetration Tester

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Penetration Tester based in Canada. Join a forward-thinking fintech environment where cybersecurity plays a critical role in protecting applications, infrastructure, and sensitive financial data. As a Senior Penetration Tester, you will identify vulnerabilities across web applications, APIs, cloud infrastructure, and emerging AI-powered systems before they can be exploited. You will combine hands-on penetration testing with secure code reviews and automated security tooling to strengthen application security across the software development lifecycle. Working closely with engineering and security teams, you will help translate complex technical findings into actionable improvements. You will also shape innovative approaches to testing large language models (LLMs), AI agents, and AI-generated code. This remote-first opportunity offers significant ownership, technical influence, and the chance to help build security practices in a rapidly evolving, AI-driven organization.