Senior Data Engineering

The Castillian has been deployed to a telecommunications client and is currently focused on the following tasks:

• Working with business stakeholders to understand and analyze data requirements.
  

• Identifying and resolving structural issues within the data warehouse.
  

• Developing, implementing, and testing robust reporting pipelines aligned with user needs.
  

• Updating the DWH business layer to include both parent and child order items, preventing missing data in reports.
  

• Creating Data Quality (DQ) rules to prevent duplicate records and monitor the behavior of future orders.
  

• Attending different tickets related to system enhancements and data quality improvements.
  

• Focused on improving the Rated CDR job, resolving data inconsistencies, and enhancing system accuracy and performance.
  

• Working on the migration and remapping of a legacy database to a REST API–based system, ensuring data consistency, preserving reporting outputs, and addressing related minor fixes.