Responsibilities
- Perform threat modeling and architecture and design reviews for applications and services.
- Drive security improvements and contribute to architectural decisions with engineering teams.
- Build and improve security tooling, automation, and processes.
- Conduct security assessments, including code reviews and penetration testing.
- Contribute to Klarna’s internal engineering security community.
Requirements
- Written and reviewed code in at least one of JavaScript (NodeJS), Python, Go, Erlang, Java, or Scala.
- Proficiency across several security areas, including web application security, mobile application security, network security, operating system internals and hardening, applied cryptography, and cloud computing.
- Expertise in at least one of the listed security areas.
- Working proficiency in English.
About Klarna
Klarna – The smarter way to shop and pay Klarna is the AI-powered global payments and commerce network, on a mission to make shopping smarter and more flexible. Trusted by over 118m+ million shoppers, Klarna processes 3.4m million transactions daily, providing payment solutions that empower consumers and drive merchant growth. With Klarna, shoppers have the freedom to pay their way—in full, later, or through financing—providing flexibility while seamlessly connecting merchants with high-intent shoppers driving conversions and customer satisfaction. More than 966k merchant partners—including Uber, H&M, Saks, Sephora, Macy’s, IKEA, Expedia Group, Nike, and Airbnb—leverage Klarna’s payment options, and marketing solutions to enhance the shopping experience and build long-term customer loyalty. From payments to personalized shopping, Klarna is shaping the future of commerce. Klarna was founded in Stockholm, Sweden and now has offices in Stockholm, London, New York, Berlin and many more. We offer products and services to consumers and retailers within payments, social shopping, and personal finances. Learn more at Klarna.com