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Mobile Application Senior Security Engineer at Klarna

Department: Engineering

Language

Compensation

£91,196 – £116,438

Setup
On-site
Location
London, England · Milan, Lombardy · +2
Type
Full-time
Level
senior
Posted

Description

Klarna is hiring an Offensive Mobile Security Specialist to perform penetration testing, red-team exercises, vulnerability research, and reverse-engineering of iOS and Android applications. The role evaluates sandboxing, permission models, app-hardening, and RASP protections using the OWASP MASVS and MASTG, collaborates with engineering teams to remediate vulnerabilities, and documents findings for immediate action. Candidates need hands-on offensive mobile security experience, knowledge of iOS and Android internals, familiarity with mobile security tooling, and preferably fintech or payments experience.

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