Visualization Development: Design, develop, and maintain interactive, user-friendly dashboards and reports using Tableau (Desktop/Server) and Power BI (Desktop/Service).
Data Modeling & ETL: Connect to diverse data sources, transform data using Power Query, and create optimized data models (star schemas, relationships).
SQL & Query Optimization: Write complex SQL queries for data extraction and optimize backend queries for performance.
Stakeholder Collaboration: Gather requirements from business users and translate them into technical specifications.
Support & Documentation: Maintain, troubleshoot, and document existing reports, data pipelines, and dashboard logic.
Security & Governance: Implement Row-Level Security (RLS) in Power BI and manage permissions/security in Tableau Server.