Database
SQL Server 2008 R2, 2012, 2016, Azure SQL
Reporting tools
Power BI Desktop, Power BI Report Builder, SSRS,PowerPivot for Excel
Analysis tools
SQL Server Analysis Services (SSAS)
Cloud technologies
Azure Data Factory, Azure BLOB Storage, Azure datalake analytics, Azure databricks, Azure SQL, Azure DW
Languages
SQL, T-SQL, Python
IT process
Software Development Life Cycle (SDLC), Agile