
Dimitri T
I turn messy data into clear decisions Power BI Python SQL
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Portfolio
Esperienza lavorativa
Business Intelligence Assistant | UBA
UBA • Full time
Sep 2024 - Oct 2025 • 1 yr 1 mo
Designed an executive dashboard in Power BI to track branch performance across regions. Automated daily reporting workflows, reducing manual work by 40%. Implemented data modeling techniques to integrate HR and sales data into a single source of truth.
Junior data analyst | MTN Group
MTN Group • Part time
Jan 2024 - Jul 2024 • 6 mos
Assisted the BI team in creating interactive dashboards with Power BI for monitoring customer churn and sales performance. Developed DAX measures to track Key Performance Indicators (KPIs) such as ARPU and customer retention. Participated in ETL processes (Power Query & SQL) to clean and prepare telecom data for reporting.