STAR: SITUATION—Project shifted batch→streaming. TASK—Learn Kafka/Flink, deliver PoC. ACTION—Two weeks: courses, local experiments, pair with expert; delivered PoC that went production. Another: Led dbt migration; templates, trained team. RESULT—PoC in production; dbt adopted org-wide....
The complete answer continues with detailed implementation patterns, architectural trade-offs, and production-grade considerations. It covers performance optimization strategies, common pitfalls to avoid, and real-world examples from companies like Expedia. The answer also includes follow-up discussion points that interviewers commonly explore.
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