In this role you will lead penetration testing efforts for Klarna’s internal and public systems, triage bug bounty submissions and external pentest findings, and propagate security insights across teams. You’ll analyze issues across the codebase and infrastructure, build tooling, and mentor engineers and SOC colleagues. The position sits on the Offensive Security team and centers on maturing Klarna’s security program. This is a hands-on, impact-driven opportunity in a fast-moving fintech environment.Se desidera saperne di più su questa occasione o sta pensando di candidarsi, la preghiamo di leggere le seguenti informazioni.Run white-box and black-box penetration tests on internal and public-facing systemsManage triage and investigation of Bug Bounty submissions and external pentest findingsPerform variant analysis to identify related issues across the codebase and infrastructureAssess security of third-party solutions and integrationsBuild tooling for reconnaissance, automation, and metrics collectionGuide developers, product security teams,



and SOC investigations with practical recommendationsLead demos, workshops, and training to spread offensive security practicesAssess overall security of Klarna’s tech stack and contribute to maturing the security program5+ years of conducting penetration tests and security assessments on production systemsAbility to read code and identify vulnerabilities in Java and Node. xysqume jsExperience with AWS and microservice architecturesClear, remediation-focused writing that translates findings into actionable stepsPython scripting to develop own toolingProactive, self-driven approach to advancing offensive security within the organizationClear written and verbal communicationInitiative and self-motivationCollaboration across cross-functional teamsPenetration testing and security assessmentsJava and Node.Js code reviewAWS cloud security and microservicesSenior Offensive Security Engineer
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📌 Senior Offensive Security Engineer (Provincia di Varese)
🏢 Klarna
📍 Provincia di Varese