Lead Engineer: AI-Driven Payments & Scale

Klarna in London is seeking a Lead Engineer to design and own the systems that move money for millions of users. You'll write code, make architecture calls, mentor engineers, and push for reliability, security, and performance at scale.

This hands-on role values deep experience in Java, JavaScript, or Python, with the ability to trade off complexity for business value and to communicate clearly with both technical and non-technical audiences.