KL

Senior Offensive Security Engineer - Penetration Testing

Klarnahttps://static.whatjobs.com/static/ajCore/img/jobPosting/companyLogo/whatJobs_ob_default.png United Kingdom Posted 23 Oct 2026 Closing: 22 Nov 2026
Permanent Hybrid Featured
Competitive
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Role Description & Technical Scope

Klarna is seeking an experienced Offensive Security professional to run penetration tests and triage bug bounty findings across internal and public systems. You will analyze variants, assess third-party security and build tooling while guiding developers and SOC teams with practical remediation steps.

The role emphasizes hands-on security across Klarna's stack (Java/Node.js, AWS, microservices) and may involve training and demonstrations to spread best practices.

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Key Details
  • Date Posted: 23 Oct 2026
  • Location: United Kingdom
  • Employment: Permanent
  • Workplace: Hybrid
  • Domain: General
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Employer Profile
KL
Klarnahttps://static.whatjobs.com/static/ajCore/img/jobPosting/companyLogo/whatJobs_ob_default.png
Verified Tech Employer

Enterprise technology firm or security consultancy operating across the UK digital defense ecosystem.

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