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C

Caleb Apeyo-Mathew`

AI Training and Data Annotation Specialist

Nigeria flagAbuja, Nigeria
$20.00/hrExpertLabel StudioArgillaDatasaur

Key Skills

Software

Label StudioLabel Studio
ArgillaArgilla
DatasaurDatasaur

Top Subject Matter

Medicine / Biomedical - LLM evaluation
Education and EdTech – Data Annotation and Labeling, AI training
prompt engineering

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

Object DetectionObject Detection
ClassificationClassification
Text GenerationText Generation
Evaluation/RatingEvaluation/Rating
Question AnsweringQuestion Answering

Freelancer Overview

AI Training and Data Annotation Specialist. Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Master of Science, University of Ibadan and Bachelor of Engineering, Covenant University. AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

ExpertEnglish

Labeling Experience

AI Training and Data Annotation Specialist

Text
Specialized in evaluating LLM responses and supporting RLHF initiatives to ensure quality and relevance of AI output. Conducted rubric-based assessment and prompt-driven evaluations, identifying inconsistencies and maintaining high standards of data annotation. Strengthened model reliability through high-volume review, edge-case detection, and detailed documentation of findings. • Applied strict guidelines and marking rubrics to AI-generated responses. • Performed structured prompt evaluation and response rating tasks. • Reviewed and annotated technical content for RLHF dataset improvement. • Documented findings and contributed to continuous data quality enhancement.

Specialized in evaluating LLM responses and supporting RLHF initiatives to ensure quality and relevance of AI output. Conducted rubric-based assessment and prompt-driven evaluations, identifying inconsistencies and maintaining high standards of data annotation. Strengthened model reliability through high-volume review, edge-case detection, and detailed documentation of findings. • Applied strict guidelines and marking rubrics to AI-generated responses. • Performed structured prompt evaluation and response rating tasks. • Reviewed and annotated technical content for RLHF dataset improvement. • Documented findings and contributed to continuous data quality enhancement.

Not specified

Education

C

Covenant University

Bachelor of Engineering, Mechanical Engineering

Bachelor of Engineering
Not specified
U

University of Ibadan

Master of Science, Biomedical Engineering

Master of Science
Not specified

Work History

C

CAME Creative

Technical Content Developer (Freelance)

Abuja
2021 - 2022
A

Achievers University

Lecturer and Assessment Specialist

Owo
2019 - 2020