I have been written SQL queries for 15 years. I had used many kind of ETL tools and Database system on DWH system like Informatica, SSIS , KNIME analytics , Tableau, Qlikview etc.
Last 6 years I have been using Tableau Desktop for create BI dashboards also I create data pipelines with KNIME analytics and Python scripts. I have 6 years experience on PostgreSQL database. Beside the postgresql I am using MySQL , SingleStore, MSSQL and Exasol database for DWH and Reporting systems.
Also I manage Tableau Cluster with 3 node on Windows and Kafka & Debezium cluster.
Before I used Teradata, MSSQL, SybaseIQ, SSAS, SSIS, Qlikview, SAP BO and lots of DWH & BI Tools