Marcus Granström

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What’s Behind the Rise of “Challenger Banks”?

Introduction This Monday, Visa announced a plan to buy fintech startup Plaid at a valuation of $5.3 billion. For a company that, in essence, builds intermediary APIs as a platform for

Klarna Engineering with Marcus Granström

Klarna is a payments company headquartered in Sweden. Since being established in 2005 it has grown to handling $21 billion in online sales in 2017. Roughly 40% of all e-commerce sales in