Lead Application Security Engineer

Company: Klarna
Apply for the Lead Application Security Engineer
Location: London
Job Description:

Klarna is seeking a Lead Engineer for Secure Development to help prevent security flaws by reviewing architecture, modeling threats, and guiding engineering teams in secure design and implementation.

The role involves hands-on assessment, code reviews, penetration testing, and building tooling to embed secure practices across Klarna’s engineering division. Excellent English and collaboration with engineers are essential.

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Posted: September 14th, 2026