Wilmington, Delaware
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Senior Data Engineer AWS / Spark / Snowflake Requirements Strong AWS experience; build, design & maintain data pipelines using Java Spark & PySpark Advanced SQL (complex queries, curation, views, performance tuning) Cloud data warehouses: Snowflake & AWS Redshift Performance optimization & troubleshooting of data jobs Agile, CI/CD, application resiliency & security best practices Data structures & serialization: JSON, Avro, Protobuf Big-data storage: Parquet, Iceberg Processing methods: batch,
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