CDI

Senior Application Security Engineer

Posted by ChannelEngine • Leiden, South Holland, Netherlands

📍 Leiden, South Holland 🕒 June 09, 2026

About the Role

We are looking for a Senior Application Security Engineer to join our Engineering team This is a largely autonomous, hands-on role sitting at the intersection of secure software development and cloud infrastructure security. You'll have real ownership over our security posture, working across the full engineering organisation to drive meaningful, lasting improvements, rather than just maintaining the status quo.

What will you do as our Senior Application Security Engineer?

Your role will span both secure software development and cloud infrastructure security A core focus will be working hands-on with engineering teams to embed security best practices throughout the development lifecycle. This will cover input validation, authentication and authorisation, secure data handling, and protection against common attack vectors....

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