Hannes Belen is a Director of Engineering based in Berlin with 10 years of experience building payment and consumer-fintech products at scale. At Klarna he has repeatedly led cross-functional taskforces to deliver high-impact launches—architecting a global peer-to-peer payments solution in under three months and steering the rollout of Klarna Card features across 13 markets. He combines hands-on technical leadership (React/React Native, Node.js, AWS) with organizational design, having consolidated multiple product groups and halved system surface area to simplify delivery. Hannes is skilled at rapid, privacy-first product delivery that creates new acquisition funnels and operational tooling to scale card operations. His background in frontend and mobile engineering informs pragmatic decisions across product, architecture and go-to-market execution.
10 years of coding experience
9 years of employment as a software developer
Master of Engineering (M.Eng.), Computer Science Engineering, Master of Engineering (M.Eng.), Computer Science Engineering at Ghent University
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