Security Engineer

Catawiki is a one-of-a-kind marketplace for buying and selling special objects. As a Security Engineer, you'll join the Security function and work closely with teams to ensure the protection of the platform, users, and data. You'll help build and maintain a strong security foundation across systems, including AI, making security a natural part of how we design, build, and operate at scale.

Requirements

• Identify, assess, and remediate security vulnerabilities across applications, infrastructure, internal services, and AI/ML pipelines.
• Conduct secure code reviews, threat modeling, and security assessments for new features, architectural changes, and legacy components.
• Implement and maintain secure storage mechanisms, encryption practices, secrets management, and key management solutions.
• Define, document, and enforce security policies, standards, and best practices throughout the software development lifecycle (SDLC), including AI-related data handling and model governance.
• Collaborate closely with Platform Engineers to integrate security into CI/CD pipelines, infrastructure-as-code, runtime environments.
• Work with Legal, IT, Trust & Safety teams to ensure compliance, support investigations, manage security requirements.
• Participate in incident response — investigate security events, triage issues, support remediation, and strengthen preventive controls.
• Raise security awareness across the company by providing guidance, training, and proactive support for secure development, AI safety, and system design.
• Contribute to long-term security strategy by evaluating emerging threats — including those involving AI — identifying opportunities for automation, and recommending new tools or processes.

Benefits

• €100 Catavoucher
• €50 Catavoucher on each birthday
• Extra day off each year to 'Pursue Your Passion'
• Additional time off for significant work anniversaries (3, 5, 8, 10 years)
• Extra leave for life's big moments like marriage, engagements, or moving house