data engineering , Pyspark, Microsoft Sql Server, Database Design, ELT, Python, Data Modelling, SSIS, Functions, Triggers, Devops, Data Lake, Databricks, Data Warehousing, Etl, Aws S3, Data Platform Development, SQL Query Tuning, Agile delivery methodologies, Performance Optimization, Lakehouse architectures, Stored Procedures, Delta Lake, Source Control