Data Engineer on KION (MTS's online cinema/streaming service) building a next-gen lakehouse with compute/storage separation: day to day you develop and refactor PySpark ETL/ELT pipelines, support Starrocks/ClickHouse OLAP engines and legacy Greenplum/Hadoop DWH, migrate HDFS to S3, and optimize Spark apps. Core stack: Python, SQL, Airflow, Spark, ClickHouse.
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