Stephen A.

Key Skills

Software

Other

Top Subject Matter

AI data annotation

prompt evaluation

and dataset quality verification

Top Data Types

Text

Document

Top Task Types

Classification

Text Generation

Text Summarization

RLHF

Function Calling

Data Collection

Freelancer Overview

Practicing AI data annotation tasks (text labeling/dataset categorization) including prompt testing and AI response eval. Brings 22+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, Education, Ibrahim Badamasi Babangida University and Bachelor of Science, National Open University of Nigeria. AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Labeling Experience

Practicing AI data annotation tasks (text labeling/dataset categorization) including prompt testing and AI response evaluation

OtherText

Conducts ongoing AI response evaluations focused on accuracy, relevance, and clarity for AI-generated outputs. Reviews datasets for errors, duplicates, and inconsistencies to improve dataset quality for model training. Develops and applies prompt-based testing methods to understand how prompts affect output quality. • Evaluates AI responses against defined quality criteria • Detects and flags dataset quality issues such as duplicates and inconsistencies • Writes structured prompts to test expected model behavior • Studies annotation guidelines and machine learning data workflows

2020 - Present

Education

Work History