I can offer both back-end and front-end developments of Business Intelligence data flows by using Python, an ETL tool (Informatica, Azure data Factory), a database query language (SQL) and a reporting tool (Power BI).
I am experienced in this topic since I worked for a consulting firm and I am actually employed in a big tech company.
The job is to create a data flow that transfers data from different sources into a centralized database structure in order to visualize and make statements about the data distributions.