Senior Offensive Security Engineer: Lead Pen Tests & Cloud

Company: PLP Group
Apply for the Senior Offensive Security Engineer: Lead Pen Tests & Cloud
Location: London
Job Description:

Klarna is seeking an experienced Offensive Security Engineer to perform penetration testing across internal and public-facing systems. You will triage Bug Bounty submissions, analyze variants, and assess third-party integrations within Klarna’s AWS microservice stack.

You will build tooling and provide hands-on guidance to developers and SOC teams. You will bring strong coding insight for Java and Node.js, and you’ll participate in training and workshops to spread offensive security practices

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Posted: September 15th, 2026