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Clifford CrisostomoCC
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Clifford Crisostomo

@cliffordcrisostomo

Data Analyst who built an interactive Olist sales dashboard with PostgreSQL, Power BI, and Power Query.

Philippines
Message

At OOCL (Philippines), INC., I created Oracle SQL scripts for data extraction and data patch requests, and supported the Supplier Portal across UAT and production environments. I also coordinated with international data teams to monitor system traffic and clear server caches when network traffic exceeded its threshold.

For my Olist E-Commerce Business Intelligence Dashboard, I transformed marketplace data into an interactive dashboard covering sales, customer demographics, and product performance. I migrated over 100,000 transactions into PostgreSQL and optimized the schema with JOINs and reporting views.

Experience

Work history, roles, and key accomplishments

OI

Supplier Portal System Intern

OOCL (Philippines), INC.

Oct 2024 - Feb 2025 (4 months)

Created SQL scripts for data extraction and data patch requests using Oracle SQL Developer, handling millions of shipping data. Provided technical and system support for the Supplier Portal, assisting vendors and validating system data consistency across UAT and production environments.

Education

Degrees, certifications, and relevant coursework

Lyceum of the Philippines University logoLU

Lyceum of the Philippines University

Bachelor of Science, Computer Science

Grade: Cum Laude - 1.61 GWA

Bachelor of Science in Computer Science, graduated Cum Laude with a GWA of 1.61.

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