Customization Ownership: Lead the design, development, and delivery of all 3DX customizations, including data model extensions (type and attribute specialization, Unified Typing, policies, lifecycles), triggers, JPOs, MQL/TCL scripts, and EKL logic, using Dassault-supported methods. Root Cause Analysis: Lead deep diagnostics using application logs, MQL traces, JVM thread and heap dumps, database query analysis, and HTTP/network tracing to find the true root cause of failures across components.