j
joleo7

Johnny Saputra

@joleo7

Data Analyst for SQL, Data Cleaning and Business Insights

Indonesia
Inglés
Parte de la información aparece en idioma inglés.
Sobre mí
I am a Data Analyst specializing in SQL, data cleaning, and transforming raw data into clear, reliable insights. I have experience working with large datasets (500K+ rows), helping businesses: - Clean and structure messy data - Remove duplicates and inconsistencies - Prepare data for reporting and dashboards - Analyze sales and customer trends I focus on accuracy, clarity, and delivering results that are ready to use for business decisions. If you need clean, well-structured data and actionable insights, I’m here to help.... Lee más

Habilidades

j
joleo7
Johnny Saputra
desconectado • 

Revisa mis servicios

Limpieza de datos
I will clean, organize and analyze your data using excel and sql
DeUSD 15 / proyectoMás información
Fórmulas y macros
I will clean messy excel or CSV data and fix date issues
DeUSD 10 / proyectoMás información

Porfolio

Experiencia laboral

Freelancing_Career

Data Analyst

Freelancing Career • Trabajador autónomo

Jan 2025 - Present • 1 yr 5 mos

DATA PROJECTS Ecommerce Sales Dashboard — Tableau | SQL | Excel Processed 500K+ transactions, built KPI dashboard (sales $10.6M, 38 countries), analyzed seasonal trends and top-selling products. Loan Risk Analysis — SQL | Tableau Used SQL CTE, joins, and window functions to segment risk and identify key default indicators. Sales & Inventory Dashboard — Power BI Automated GMV, stock-out, and forecasting reports using Power Query & DAX.