Buddhini Katuwandeniya

Designed and created custom data models using Tableau Prep and SQL for accurate analysis and visualization. Developed ER diagrams and detailed data model documentation. Constructed and validated SQL queries to extract and aggregate data from multiple sources. Built and maintained Tableau dashboards for various departments, incorporating stakeholder feedback. Automated Excel reports, improving efficiency by 50%. Created a custom ‘Traffic to Views’ dashboard to enhance Tableau Server performance.

Conducted preliminary data analysis to assess data quality and key characteristics. Automated data pre-processing with Tableau Prep, ensuring accurate visualization-ready data. Delivered and enhanced Finance, Sales, and HR dashboards, driving improved decision-making. Streamlined project management with ‘Request Intake Forms,’ optimizing requirements gathering. Supported team hiring, onboarding, and knowledge sharing by maintaining a centralized dashboard repository for better access and collaboration.