Calvin Budijanto

Detail-oriented and analytical aspiring Data Analyst with hands-on experience in Excel, SQL, and Python through end-to-end data projects. Skilled in data cleaning, analysis, visualization, and dashboarding to generate actionable business insights. Strong ability to translate data into strategic recommendations for business growth and operational efficiency.

E-commerce Data Analysis & Dashboarding (SQL + Excel) at Digital Skola (2025-12 – 2026-01)

• Queried dataset thelook_ecommerce to extract insights on products, users, and transactions.
• Identified top-selling product categories in 2024, with Outerwear & Coats leading revenue (>76K).
• Analyzed seasonality trends, with peak sales in December and January.
• Detected data quality issues (NULL values, inconsistent product names).
• Identified top customers by purchase volume and high-value demographic segments.

Inventory Control Staff at CV Pelangi Plastik Maju (2025-08 – 2025-11)

• Monitor, record, and update daily stock movements and conduct regular stock counts and reconcile physical inventory with the accurate system.
• Coordinate with purchasing department regarding stock availability and reorder needs.
• Input sales and purchasing returns for bs goods and good stuff.

Bachelor of Mathematics in Mathematics – Airlangga University (2019-08 – 2023-07)