10x Product Talks: core banking migration and legacy coexistence

Migration timelines don't slip because of the technology, they slip when undocumented legacy knowledge surfaces late. 10x Banking's VP Product, Ross Harty, and Principal Product Manager, Arun Chalil, show how near-live migration and client-controlled batching let banks catch that risk early and move with real confidence.

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Most core banking migration programmes get the strategy and target architecture right. Where they break down is timeline, once data discovery starts. A three-month estimate for that phase can become nine, as decades of accumulated legacy data turn out to hold more complexity than anyone planned for. Migration touches every customer in the bank, so that kind of slippage carries customer risk, regulatory risk and business risk with it.

The amount of undocumented critical knowledge is always the biggest surprise. Even the people who built these systems may not be able to fully articulate what they were meant to do.

Arun Chalil Principal Product Manager, 10x Banking

In our first episode of 10x Product Talks, the team explored the development of the four product pillars that inform how 10x approaches core banking modernisation. This time, Ross and Arun turn to pillar one: simplify migration and legacy coexistence. They talk through what actually breaks migration timelines and how banks can keep legacy systems running safely alongside a new core during the transition.

Watch 10x Product Talks: simplify migration and legacy coexistence

Watch Ross and Arun explain how near-live migration and client-defined batches let banks reconcile data on their own terms.

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