Ernest Onyeka Nnatube

Key Skills

Software

Other

Top Subject Matter

Tech

E-commerce

Top Data Types

Image

Text

Document

Top Task Types

Data Collection

Evaluation/Rating

Fine-tuning

Classification

Freelancer Overview

Ernest Onyeka Nnatube, Data Analyst | AI Content Evaluator Linkedin | Abuja, Nigeria | ernestjackson2864@gmail.com | PROFESSIONAL SUMMARY Detail-oriented and tech-savvy Data Analyst and AI Content Evaluator with strong expertise in artificial intelligence, search quality evaluation, and data-driven decision-making. Proven ability to assess, refine, and optimize AI-generated content using analytical reasoning and structured evaluation techniques. Experienced in improving model performance through high-quality feedback, prompt engineering, and adherence to strict guidelines. Passionate about advancing AI systems while ensuring accuracy, consistency, and exceptional user experience. CORE COMPETENCIES ● AI Content Evaluation & Reinforcement Learning Feedback (RLHF) ● Search Engine Quality Rating & User Intent Analysis ● Prompt Engineering & Response Optimization ● AI Output Critique (Accuracy, Bias & Hallucination Detection) ● Natural Language Processing (NLP) Understanding ● Data Annotation, Labeling & Classification ● Analytical Thinking & Problem Solving ● Contextual Reasoning & Decision Making ● Quality Assurance & Error Detection ● Instruction Adherence & Guideline Interpretation ● Excellent Written & Verbal Communication ● Cultural Awareness & Localization Sensitivity ● Confidentiality & Data Security Compliance PROFESSIONAL EXPERIENCE Freelance AI Content Evaluator (Remote) April 2025 – Present ● Evaluated and improved AI-generated responses for accuracy, relevance, cohere

Labeling Experience

Education

Work History