Application Security Engineer — Lead Secure Design & Threat Modeling

Flywire

📍 Valencia, Comunidad Valenciana, Spain

Full-time Informática y tecnología Posted March 03, 2026

Job Description

A global payments solutions firm in Valencia seeks an experienced Application Security Engineer to join their Security Team. In this role, you will ensure security is integrated into the development lifecycle. The ideal candidate has 4+ years in Application Security, proven skills in web application penetration testing, and proficiency with languages such as Ruby on Rails and Java. This position offers competitive compensation, including stock options, and opportunities for professional growth within a dynamic and inclusive work environment.
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