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Hasan Santosa
@hasan_santosa
Data Analyst and Spreadsheet Specialist
Japón
Inglés, Japonés, Indonesio
Sobre mí
"I am a detail-oriented data analyst freelancer who helps businesses make sense of their data. I specialize in data cleaning, data entry, spreadsheet analysis, and creating simple reports and visualizations using Excel and Google Sheets. I deliver accurate and fast work on time!"
Habilidades
Hasan Santosa
desconectado •
Tiempo medio de respuesta: 1 hora
Revisa mis servicios
Consulta de Data Analytics
I will create a property booking dashboard in google sheets
Limpieza de datos
I will clean, deduplicate, and standardize your CRM or contact database
Porfolio
Experiencia laboral
Analyst Operation
SEGA • Tiempo completo
Apr 2025 - Present • 1 yr 1 mo
"Production Engineer specializing in data analysis, dashboard creation, and process optimization using SQL and Excel. Reduced assembly lead time by 39% through data-driven improvements."
Data Analyst
DENSO • Tiempo completo
Apr 2023 - Mar 2025 • 1 yr 11 mos
"As Assistant Manager Production Engineering, analyzed production data using SQL to identify bottlenecks and inefficiencies. Developed visual dashboards and data presentations for management decision-making. Improved line efficiency by 12% and increased production output by 1,020 units/day through data-driven process optimization."
Data Analyst
Nissan Motor • Tiempo completo
May 2013 - Oct 2019 • 6 yrs 5 mos
Sr. Supervisor Production Engineer, conducted data analysis across production and warehouse operations to identify root causes of quality issues. Introduced inventory tracking system and data-driven operational rules that eliminated defects and saved $188K annually. Won 1st Place Champion in Nissan Suggestion System for battery management improvement initiative."
