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Freelancer Overview
OLUWASEUN AYADI AI Data Annotator | Data Analyst | Quality-Focused Reviewer Lagos, Nigeria | +234 814 380 5647 | [email protected] linkedin.com/in/oluwaseun-Ayadi PROFESSIONAL SUMMARY Detail-oriented data annotator and analyst with hands-on experience labeling and evaluating text, image, and audio data, and rating AI-generated outputs against detailed guidelines. Strong analytical and written-communication skills built on a structural engineering and data analytics background, with proven accuracy, consistency, and the ability to follow complex instructions across high-volume tasks. Comfortable working independently, meeting quality and throughput targets, and giving clear written feedback. CORE SKILLS • Data annotation & labeling: text, image, and audio data; classification, transcription, bounding boxes, sentiment and intent labeling • AI output evaluation: rating relevance, factual accuracy, helpfulness, safety, and adherence to rubrics; ranking and preference comparisons (RLHF-style tasks) • Quality assurance: data cleaning, validation, consistency checks, and error correction • Written communication: clear rationales, annotation guidelines, and structured feedback • Tools: Microsoft Excel, Python, R, SQL/BigQuery, Tableau, Power BI • Strengths: attention to detail, instruction-following, time management, English fluency, remote/independent work WORK EXPERIENCE Generalist Data Annotator (Freelance/Remote) Outlier | [Jan 2026] – [April 2026] • Completed generalist