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Olivier
@ndarishize_tran
Data Analyst Excel, SQL and Power BI Dashboard Developer
Rwanda
Engels, Kinyarwanda, Swahili
Over mij
I am a data analyst specializing in SQL, Power BI, and Excel. I help businesses clean and analyze raw data, build interactive dashboards, and turn complex information into clear business insights.
My services include data cleaning, SQL analysis, data visualization, KPI reporting, and professional Power BI dashboard development. I focus on accuracy, clear communication, and delivering work that helps clients make informed decisions.
If you need a reliable analyst to transform your data into meaningful insights, I am ready to help.
Skills
Olivier
offline •
Gemiddelde reactietijd: 1 uur
Bekijk mijn diensten
BI-analyse
I will create an interactive power bi dashboard, analyze your data
SQL- en NoSQL-query's
I will write sql queries and analyze your business data
Portfolio
Werkervaring
Freelance Data Analyst
Freelancing Career • Freelance
Jun 2026 - Present • 2 mos
I work on independent data analytics projects using Excel, SQL, and Power BI. I clean and transform raw data, build data models, write analytical SQL queries, create interactive dashboards, and communicate clear business insights. My portfolio includes retail sales, product performance, inventory, HR, and customer analytics projects. I focus on delivering accurate, well-organized, and easy-to-understand results that support business decisions.
HR Data Analyst – Portfolio Project
Self Employed • Freelance
Jul 2026 - Jul 2026 • 0 mos
Completed an independent HR analytics project using Power BI. I cleaned and transformed employee data, created DAX measures, and developed interactive dashboards to analyze workforce size, employee attrition, department performance, demographics, and workforce trends. I presented the findings through clear visualizations designed to support data-driven HR decisions.
