Interview Reports

ZoomInfo — HM Round — 4. WHY ZOOMINFO / WHY LEAVING (you nailed these on the recruiter call — keep them)

ZoomInfo — Interview Q&A — 6. Real reported questions + synthesized best answers

ZoomInfo — Interview Q&A — 4. System design round

ZoomInfo — Interview Q&A — 3. Coding round

ZoomInfo Data Engineering: Idempotent Airflow DAGs

ZoomInfo Data Engineering: BigQuery vs Snowflake vs Trino

ZoomInfo Principal Data: Entity resolution at scale

ZoomInfo Principal Data: Parquet format and compression trade-offs

ZoomInfo Principal Data: Deduplication with limited memory

ZoomInfo Principal Data: Spark partitioning strategy for crawl data

ZoomInfo HM round (Principal/Senior Data Engineer) — big-data Spark deep-dive