Programming: Python, SQL, Scala, Java
Cloud: Azure, AWS, GCP
Data Platforms: Databricks, Snowflake, Synapse, Redshift, BigQuery
Data Processing: Spark, dbt
Orchestration: Airflow, Synapse Pipelines, Dagster
DevOps: GitHub, GitHub Actions, CI/CD
Data Modeling: Dimensional Modeling, Data Warehousing, Lakehouse Architecture