Overview BSQ is focused on financing housing in EU member states (mainly Germany). It provides services in the area of retail banking. The range of products offered includes savings accounts and mortgage loans. Challenge After the financial crisis in 2009, BSQ made some drastic changes to its IT environment to save and control costs. It merged three core banking systems and looked critically at its underlying mainframe infrastructure. This was more expensive to support and maintain than a modern open system platform. However, Mr Florian Kröner, IT Director for BSQ Bauspar had an even more pressing concern: “The average age of our mainframe developers was between 50 and 54. This meant that the know- how invested in the system in the last 25 years would disappear within the n

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