Designed and delivered large-scale, stateful architectures Modeled complex domains, defined clear data schemas, and ensured end-to-end reliability Implemented robust patterns for coordinating multi-step workflows across services Handled two-phase commits, sagas, idempotency, and compensating actions Built reconciled workflows with audit trails and automated recovery Baked in observability, fault tolerance, and graceful degradation Tuned systems for scalability and performance using caching, queueing, rate-limiting Communicated complex trade-offs into clear plans and documented designs Shipped prototypes quickly and insisted on production-ready quality