Raphael O.

Key Skills

Software

Don't disclose

Top Subject Matter

AI training support and content evaluation for datasets

Survey analysis and structured dataset preparation

Top Data Types

Text

Top Task Types

Data Collection

Freelancer Overview

Freelance Data Analyst & Digital Generalist (Remote). Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Don't disclose and Google Sheets. Education includes Higher National Diploma, Yaba College of Technology (2024) and Ordinary National Diploma, Yaba College of Technology (2022). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Data Collection.

Labeling Experience

Freelance Data Analyst & Digital Generalist (Remote)

Don't discloseText

Performed data labeling and content evaluation as part of 50+ freelance projects across structured and unstructured datasets. Cleaned and validated data to improve quality and accuracy while supporting downstream AI training workflows with structured feedback. Delivered consistent outputs and met project deadlines in a remote, fast-paced setting. • Labeled or curated dataset entries for AI training purposes • Conducted content evaluation and structured research support • Cleaned and validated datasets to reduce errors and inconsistencies • Provided structured feedback for AI training pipelines

2022 - 2024

Data Analyst (Academic & Personal Projects)

TextData Collection

Built structured datasets and supported survey/performance analysis activities that align with preparing data for analytics and potential model training. Applied statistical measures (mean, median, standard deviation, Z-scores) to evaluate results and generate actionable summaries for reports. Produced charts and performance evaluations from collected responses. • Designed data collection workflows and structured dataset formats • Performed statistical analysis for survey and performance evaluation • Generated reports with charts, summaries, and metrics • Transformed collected responses into analyzable structured data

2019 - 2022

Education

Work History