Commonwealth Bank Modernizes Core Unlocking Data

Commonwealth Bank completed its migration from an on-premises SAP R/3 mainframe to SAP S/4 on AWS in October last year, unlocking about 90% of its customer, account and transactional data. The move cut infrastructure costs by 30%, improved performance by 30% and enabled real-time eventing tested at about 5,000 transactions per second, feeding Amazon SageMaker and Bedrock to pursue deep personalisation and agentic AI.
Scoring Rationale
Official, measurable modernization with clear AI enablement benefits; limited novelty since similar cloud migrations are common across major banks.
Practice interview problems based on real data
1,500+ SQL & Python problems across 15 industry datasets — the exact type of data you work with.
Try 250 free problems

