Rafael Stark is an engineer with problem-solving in his blood. He started his own Product Studio called Hummingbird and came across a client wanting to automate refunds, and that's where he realized there was a market-wide opportunity to simplify several payment processes at scale.Stark Bank was born to modernize the financial infrastructure in Brazil through the power of integrations. They were a part of YC's 2020 batch, and are now helping companies such as Loft, Quinto Andar and Buser make operations smoother than ever.Today's episode will discuss:Problem-solving in fintechInnovation in traditional spacesThe impacts of open banking in BrazilBuilding something new? Apply for the Latitud Fellowship at apply.latitud.comSet up an international corporate structure accepted by international investors with Latitud Go.