Data Engineer in TransTelekom's 'Intelligent Solutions' division (Astana): builds ETL pipelines from client systems (PostgreSQL, Oracle, Hive, Kafka, files, APIs), maintains Airflow DAGs, and delivers analytics marts and AI-ready datasets with a focus on data quality. Core stack: SQL, Python, PostgreSQL, Airflow, an analytical DBMS like ClickHouse, plus Spark/HDFS and Docker.
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