Factorial is seeking an Application Security Engineer in Barcelona to proactively hunt for vulnerabilities and strengthen defenses.
You will test applications, APIs, and AI-powered features, reproduce external reports, and work with product teams to remediate issues.
The role requires 3+ years in application security and fluency in English.
The team collaborates across Product and Engineering to ship with security baked in, while offering a adaptable office-first, hybrid model.
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