Klarna

Lead Engineer

Klarna
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1 day ago
Milan, ItalyStaff+
H1B Sponsor

Responsibilities

  • Make sound, defensible technical and architectural decisions and explain the trade-offs.
  • Design systems with attention to wider architecture, failure propagation, scalability, reliability, auditability, and controls.
  • Connect technical choices to business outcomes and appropriately size solutions.
  • Build and operate systems in a hands-on role while remaining active in the codebase.
  • Mentor engineers, raise technical standards, and act as a multiplier across teams.
  • Advance practical everyday use of AI within the engineering domain.
  • Move initiatives forward across multiple teams without formal authority.

Requirements

  • Experience building and operating systems with significant reliability and performance demands at scale.
  • Ideally, experience working in Java, JavaScript, or Python environments.
  • Ability to make trade-offs, articulate rejected alternatives, and prioritize business outcomes over unnecessary engineering complexity.
  • Ability to explain complex systems to technical and non-technical audiences.
  • Experience leading through technical work and operating effectively amid ambiguity.
  • Experience learning from production incidents or designs that did not perform as expected and improving systems afterward.
  • A CV in English is required.

Benefits

  • Most teams currently meet in the office 2–3 days per week, with the arrangement varying by team and subject to change.
  • Non-obvious backgrounds and diverse skills, perspectives, and experiences are welcomed.
  • The role may offer placement across multiple engineering domains, including risk and checkout.

Categories

Klarna

About Klarna

1,001-5,000 employees

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

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