Joseph Estelloso

Data Analyst with 4+ years of experience specializing in Excel automation, Power Query, and KPI dashboard development. Proven ability to reduce manual reporting workloads by up to 50% and improve data accuracy through automated solutions. Experienced in cross-functional collaboration, delivering actionable insights, and streamlining business processes for better decision-making.

Data and Reporting Specialist at CASK Construction (2025-03 – Present)

• Developed automated dashboards reducing manual reporting time by 30–50%
• Built data pipelines using Power Query to integrate multiple data sources
• Automated recurring reports using Excel VBA, improving efficiency
• Improved reporting accuracy through data validation and transformation
• Collaborated with stakeholders to deliver data-driven insights

Business Intelligence Analyst at Freedom Property Investors (2024-04 – 2025-03)

• Developed data collection and reporting systems
• Analyzed and visualized datasets to identify business insights
• Improved data reliability through validation processes
• Enhanced reporting systems to support business operations

Quality Specialist / Data Reporting Analyst at Qualfon Philippines Inc (2020-10 – 2024-04)

• Built dashboards using Power BI and Excel for KPI monitoring
• Performed ETL processes to support reporting workflows
• Improved reporting clarity and operational efficiency
• Supported business decisions through data analysis

Bachelor of Electrical Engineering in Electrical Engineering – Cebu Technological University (2020-06 – 2022-10)