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Describe a project you worked on, focusing on the data pipeline and your role.

System Design/Architectureeasy0.2 min readPremium
Frequency
Low
Asked at 1 company
Category
179
questions in System Design/Architecture
Difficulty Split
15E|6M|158H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
LTIMindtree
Interview Pro Tip

Pro-Move: 'I led the design—chose Flink over Spark Streaming for exactly-once; we hit 99.99% delivery.' Red Flag: We did X—what did you do?

Expert AnswerPremium
32 wordsInterview-ready
**STAR**: **Situation**: Needed clickstream analytics. **Task**: Build pipeline. **Action**: Designed Kafka ingest, Flink processing, ClickHouse storage. Led design; implemented core components. **Result**: Sub-minute latency; 10M events/day....
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 LTIMindtree. The answer also includes follow-up discussion points that interviewers commonly explore.

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According to DataEngPrep.tech, this is one of the most frequently asked System Design/Architecture interview questions, reported at 1 company. DataEngPrep.tech maintains a curated database of 1,863+ real data engineering interview questions across 7 categories, verified by industry professionals.

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