Rosco Vinzon Caldetera

Detail-oriented data and operations professional with more than 20 years of experience reviewing records, validating information, identifying discrepancies, and maintaining accurate business data. Skilled in data cleaning, classification, quality control, document comparison, spreadsheet analysis, and following structured procedures. Advanced user of Microsoft Excel and Google Sheets, with practical experience using formulas, lookup functions, pivot tables, automated validation tools, and AI-assisted workflows.

Reliable and self-directed remote worker seeking opportunities in data annotation, search evaluation, content classification, AI response evaluation, and data quality review.

Account Officer / Auditor at Vigan Northern Alliance Trading Co. (2019-08 – 2026-03)

• Reviewed, verified, and reconciled high-volume sales and payment records for accuracy and completeness.
• Compared supplier invoices, purchase orders, receiving logs, and accounting records to identify mismatched or missing information.
• Investigated discrepancies by tracing data back to original source documents.
• Categorized and organized financial records according to established procedures.
• Built Excel templates with automated validation checks, lookup formulas, and variance flags.
• Performed recurring quality-control reviews before reports were submitted to management.
• Reduced monthly reporting turnaround time from three days to two days through improved data-review workflows.
• Maintained accurate records while handling confidential financial and business information.
• Prepared clear documentation explaining corrections, exceptions, and unresolved issues.

Operations & Station Manager at Bantay Petron Service Station (2009-01 – 2019-08)

• Maintained and reviewed inventory, sales, vendor, payroll, and personnel records.
• Checked daily transactions for completeness, consistency, and unusual variances.
• Investigated inventory differences and corrected records using supporting documents.
• Prepared structured daily and monthly reports for management review.
• Managed operational data involving approximately 220,000 liters in average monthly sales volume.
• Processed payroll and statutory contribution information for a team of 20 employees.
• Followed established procedures while managing multiple deadlines with minimal supervision.
• Communicated data issues and required corrections to vendors, employees, and management.

Operations Supervisor at JEP Petron Service Station (2001-01 – 2009-01)

• Maintained operational logs, payroll records, personnel files, and shift information.
• Checked records for errors, missing entries, and inconsistencies.
• Prepared regular summaries and reports for executive review.
• Coordinated shift information and ensured that records were updated accurately.
• Handled confidential employee and business information responsibly.

Bachelor of Science in Medical Technology – Martinez Memorial Colleges