S3, Pyspark, PostgreSQL, Deduplication, Lambda, Terraform, Python, AWS, Scala, Dynamodb, Emr, Spark, Advanced Sql, Medallion Architecture, Incremental historical processing, Idempotency, Aurora, AWS data services, AWS Sagemaker, Step Functions, late-arriving data handling, CDC Merge processing, Lakehouse, Glue, resilient pipeline patterns, Type 2 Dimensions

Dynamodb, Emr, Aws Rds, Kinesis, Cloudwatch, Elasticsearch, Aws Ec2, Waf, Devops Tools, Python, AWS Cloud infrastructure, VPN connectivity, SPARK programming, data migration facilities, Glue, AWS migration tools, Athena, cloud security architectures, CloudTrail