- Data Analytics and Engineering, Data Modeling, ETL and ELT, Data Warehousing
- Power BI, Tableau, Looker, SQL, Store procedures
- Python, Excel, Power Query
- relational database Mysql, Postgresql, Mariadb, and MS SQL
- Cloud platform (Microsoft Azure, AWS, GCP)
- web server and VPS administration using cpanel, linux (centos, debian, ubuntu), scripting (bash and powershell)