Commonwealth Bank migrated the world's largest SAP core banking deployment to AWS in 18 months: the system behind 40% of Australia's payments, 15 million customers, running 247. This isn't a lift-and-shift story, it's a reinvention of how the bank runs critical systems - from architecture and resilience engineering to replacing siloed operational teams with full-stack automation, and the cultural shift this required. Join us to hear how CBA's critical financial infrastructure was modernised with AWS, and what this unlocks for their AI-enabled future. If you're building foundations for regulated, mission-critical workloads, this is the session you don't want to miss.
What this session is about
Playbook
Editorial commentary · what to actually do about this on Monday
The concept
World's largest SAP core banking migration to AWS in 18 months. 40% of Australia's payments. 15M customers. 24×7. Full reinvention — not lift-and-shift.
Why it matters
This is the proof that critical regulated workloads can be migrated. The case study unlocks board-level confidence at every other Australian bank.
The hard parts
The cultural shift from siloed operational teams to full-stack automation. The org change is the harder problem; the tech is downstream.
Playbook moves
(1) Plan the org redesign *before* the migration plan. (2) Invest in resilience engineering as a discipline, not a checkbox. (3) Treat 24×7 cutover as a multi-quarter program with explicit reversibility.
The surprise
18 months for a SAP core banking migration sounds impossible because it usually *is* impossible — except CBA also redesigned their team structure simultaneously. The migration was an *outcome* of the org change, not the cause of it. Most failed migrations try to lift-and-shift the org alongside the workloads. That doesn't work.
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Independent editorial perspective — not an official AWS or speaker statement. Designed for executives evaluating what to brief their teams on next.
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