Onyekachi O.

Key Skills

Software

Don't disclose

Top Subject Matter

Large Language Models (LLMs)

RLHF-style evaluation

model safety and factuality

Top Data Types

Text

Video

Image

Top Task Types

Bounding Box

RLHF

Object Detection

Classification

Evaluation/Rating

Red Teaming

Freelancer Overview

AI Data Annotator and Model Evaluator (Freelance) — LLM ranking, fact-checking, safety/compliance evaluation. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Don't disclose. Education includes Bachelor of Science, University of Abuja (2029) and Higher National Diploma, Yaba College of Technology (2020). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Labeling Experience

AI Data Annotator and Model Evaluator (Freelance) — LLM ranking, fact-checking, safety/compliance evaluation

Don't discloseText

Evaluated and ranked LLM outputs for correctness, helpfulness, harmlessness, and overall quality against safety and performance guidelines. Performed fact-checking by verifying claims against primary sources and assessing coherence and long-term reasoning quality. Produced qualitative feedback and engineering-ready evaluations to improve model behavior and reduce harmful or irrelevant responses. • Multi-turn dialogue assessment and evaluation • Red-team style testing for bias, harm, and unsafe behavior • Technical justification of model successes/failures • ETA (Expert Tier Analysis) labeling on outliers and complex reasoning/writing prompts

2023 - Present

Education

Work History