David O.

Key Skills

Software

No software listed

Top Subject Matter

Client application data management and reporting

Top Data Types

Document

Top Task Types

Data Collection

Freelancer Overview

Data Officer (Client dataset cleaning, validation, and spreadsheet-based analysis/reporting). Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Microsoft Excel and Google Sheets. Education includes Bachelor of Medicine and Surgery, Abdullahi Fodiyo University of Science and Technology (2024) and A-Levels, Best Option (2024). AI-training focus includes data types such as Document and labeling workflows including Data Collection.

Labeling Experience

Data Officer (Client dataset cleaning, validation, and spreadsheet-based analysis/reporting)

DocumentData Collection

Managed and maintained client application datasets through systematic cleaning and validation. Organized application data in spreadsheets to ensure consistency, reliability, and accurate reporting. Detected and corrected data inconsistencies to improve dataset quality for operational decision-making. • Cleaned and validated client datasets for accuracy and consistency • Organized and summarized application data in Excel/Google Sheets • Identified inconsistencies and corrected errors to improve reliability • Collaborated with team members on data requirements and reporting needs

2025 - Present

Education

Work History