Your question is Legacy to Cloud Migration. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
How would you migrate a legacy data system to a more modern, cloud-based architecture at Intercontinental Exchange?
Explain how you would assess dependencies, define the target architecture, migrate historical and incremental data, and preserve downstream reporting during the transition. Address orchestration, data quality, security, lineage, rollback, and operational monitoring. Include the migration phases, technology choices, validation strategy, and backfill approach you would recommend.