Application Security Engineer — Proactive Pen Testing
Role Description & Technical Scope
Factorial is seeking an Application Security Engineer to proactively hunt vulnerabilities across its applications, APIs, and AI-powered features. You will work with Product and Engineering to remediate findings, improve secure coding, and scale security through automation.
The role emphasizes collaboration with cross-functional teams, triage of bug bounty reports, and advancement of security tooling within a fast-moving AI-native company based in Barcelona. Fluency in English is required.
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Key Details
- Date Posted: 23 Oct 2026
- Location: United Kingdom
- Employment: Permanent
- Workplace: Hybrid
- Domain: Informática y tecnología
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Verified Tech EmployerEnterprise technology firm or security consultancy operating across the UK digital defense ecosystem.
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