SAP ABAP Technical Lead

How would you design an end-to-end solution involving SAP MM, SD, FI, and ABAP for a global client? What challenges did you face during an ECC to S/4HANA conversion project? How would you replace a complex custom report with CDS Views and RAP? Explain a scenario where code pushdown significantly improved performance. How would you identify the root cause of a performance issue affecting 50,000+ users? What is the impact of Universal Journal (ACDOCA) on custom ABAP developments? Explain the difference between Managed RAP and Unmanaged RAP from an architecture perspective. How would you design a high-volume interface processing 1 million records per day? What strategy would you use for handling failed IDocs in production? Explain a situation where ST05 and SAT provided conflicting performance results. How would you optimize a CDS View with multiple joins and associations? What challenges arise when integrating SAP with Salesforce or Oracle ERP? How do you handle transport conflicts across multiple development teams? Explain a critical production issue that required coordination between ABAP, Basis, and Functional teams. How would you redesign a legacy BDC solution in S/4HANA? What considerations are important when exposing sensitive financial data through OData? How would you troubleshoot inconsistent stock values between MM and FI? Explain a scenario where business requirements conflicted with SAP standard functionality. How would you perform root cause analysis for intermittent interface failures? What are the risks of custom code during S/4HANA migration? How would you handle data archiving requirements for a system containing billions of records? Explain a complex enhancement involving SD, MM, and FI integration. How would you approach a zero-downtime deployment requirement? What governance practices do you follow for enterprise-scale SAP development? Describe the most technically challenging SAP project you have worked on and the architectural decisions you made.