Chukwunonso O.

Key Skills

Software

Mercor

Micro1

Top Subject Matter

LLM training data quality

Prompt engineering

Model response evaluation

Top Data Types

Text

Video

Top Task Types

Evaluation/Rating

Prompt + Response Writing (SFT)

RLHF

Freelancer Overview

AI Trainer - Abaka AI (Remote, part time). Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include N and A. Education includes Bachelor of Technology, Federal University of Technology, Akure (2024) and Ordinary National Diploma, Yaba College of Technology (2018). AI-training focus includes data types such as Text and Video and labeling workflows including Evaluation and Rating.

Labeling Experience

AI Trainer - Verita AI (Remote, part time)

Video

AI Trainer at Verita AI worked on creating video data used for training LLM-related systems. The role involved response evaluation for truthfulness and risk categories while ensuring cultural appropriateness. Collaboration with technical teams supported dataset construction and benchmarking for model improvement. • Generated high-quality video data for training LLMs. • Evaluated model responses for truthfulness, harmfulness, and cultural appropriateness. • Supported dataset creation in collaboration with technical teams. • Contributed to model benchmarking dataset readiness.

2025 - Present

AI Trainer - Abaka AI (Remote, part time)

Text

AI Trainer at Abaka AI focused on generating and validating high-quality LLM training data. The work emphasized prompt optimization and systematic quality checks to improve coherence and reduce hallucinations. It also included human-in-the-loop evaluation aligned to dataset and benchmarking needs. • Developed and tested complex prompts to minimize hallucinations. • Generated high-quality text data for training LLMs. • Collaborated with technical teams to build datasets for model training/benchmarking. • Evaluated search engine outputs to select the best results based on defined criteria.

2025 - Present

Model Response Evaluator - Mercor AI

TextEvaluation/Rating

Evaluated LLM responses to select the best according to criteria.

2026 - 2026

Education

Work History