n
ndarishize_tran

Olivier

@ndarishize_tran

Data Analyst Excel, SQL and Power BI Dashboard Developer

Rwanda
Anglais, Kinyarwanda, Swahili
Certaines informations sont présentées en anglais.
À propos de moi
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. ... Plus d’infos

Compétences

n
ndarishize_tran
Olivier
hors ligne • 
Temps de réponse moyen de 1 heure

Voir mes services

Analyse BI
I will create an interactive power bi dashboard, analyze your data
SQL & Requêtes NoSQL
I will write sql queries and analyze your business data

Portfolio

Expérience professionnelle

Freelancing_Career

Freelance Data Analyst

Freelancing Career • Freelance

Jun 2026 - Present2 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.

Self_Employed

HR Data Analyst – Portfolio Project

Self Employed • Freelance

Jul 2026 - Jul 20260 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.