Oluwatosin Agboola

Detail-oriented Data Annotation Specialist with 2+ years of experience handling large datasets, qualitative and quantitative data analysis, and structured data processing. Proven ability to review, label, and validate data with high accuracy, ensuring consistency and quality across datasets. Experienced in data categorization, tagging, transcription, and quality control, with strong attention to detail and pattern recognition skills.

Proficient in Google Workspace, Microsoft Office, and data management tools, with a demonstrated track record of delivering error-free outputs and maintaining data integrity in fast-paced, remote environments.

Independent Researcher

(2020-07)

• Processed and analyzed large volumes of structured and unstructured data, ensuring accuracy, consistency, and completeness across datasets.
• Designed and managed data collection systems (500+ respondents), ensuring proper data categorization and validation.
• Conducted data labeling and classification of qualitative inputs from 20+ in-depth interviews, identifying patterns, themes, and key variables.
• Performed data cleaning and verification, reducing inconsistencies and improving dataset reliability for analysis and reporting.
• Produced 30+ structured reports, transforming raw data into organized, interpretable formats suitable for decision-making.
• Maintained high data accuracy standards, achieving less than 5% error rate (plagiarism/duplication checks).
• Managed multiple datasets simultaneously while meeting deadlines in a remote, self-managed work environment.

Technical Assistant to the MD - Petrogap Oil & Gas Ltd. - Lagos, Nigeria

(2018-08 - 2020-03)

• Organized and digitized large volumes of company data and documents, improving data retrieval efficiency by 50%.
• Implemented a paperless data management system, ensuring structured storage, classification, and accessibility of records.
• Reviewed and validated technical and operational reports, ensuring accuracy and completeness before submission.
• Improved data processing workflows, reducing turnaround time by 25% and enhancing operational efficiency.
• Supported data tracking and reporting processes, ensuring consistency across documentation.

Executive Assistant - Mykustoma Innovative Technology - Lagos, Nigeria

(2016-08 - 2018-07)

• Managed and processed high volumes of administrative and operational data, ensuring accuracy and proper documentation.
• Standardized data entry and reporting procedures, reducing discrepancies by 20%.
• Maintained structured records and ensured timely, error-free information flow across departments.
• Coordinated multiple data-related tasks while maintaining high attention to detail and organization.