February 26-28, 2020
Montreal, Canada

FinTech + API-First = GraphQL

Three years ago we have started to build a bank. We made some mistakes, one of them was our API.
This talk describes our journey from an improvised anarchistic REST API to a well-documented, typed GraphQL interface. I will touch on technical and cultural aspects which you should consider if you plan to step into our footsteps.

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Sebastian Galonska


Sebastian's technology journey began at the tender age of 9 when he first learned to program. Since then he’s worked and managed teams in the social space - where he built the framework for Germany’s largest social network. In 2012 he stumbled into the fin-tech space and stuck with it ever since. In 2015, he started Kontist, Germany’s Freelance Bank, where he serves as Co-Founder and CTO.

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