Описание
Technology->Big Data - Data Processing->Spark,Technology->Java->Apache->Scala Data Engineering & Development Design, develop, and maintain Spark-based batch processing pipelines using Scala for large datasets. Implement efficient transformations, aggregations, and joins, ensuring correctness and scalability. Write optimized SQL for data extraction, validation, and reconciliation across sources and targets.
Performance, Quality & Reliability Tune Spark jobs (partitioning, caching, shuffles, memo…
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