Denis W.

Key Skills

Freelancer Overview

Mechanical Engineering Technician. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Education includes Diploma in Mechanical Engineering, Machakos University.

Labeling Experience

AI Data Annotation & Quality Evaluation Project

TextEvaluation/Rating

Collaborated with the AI team to complete data annotation and assessment tasks related to text classification, content evaluation, response checking and quality control. Tasks included checking the accuracy, relevance, clarity, consistency and compliance with policy of AI-generated output. Completed detailed and systematic text labeling and text categorization with a great attention to detail and follow-through with project guidelines. Performed internet research, data verification and analytical evaluation for high-quality datasets to train AI systems. Ensured the reliability of the annotation results across large datasets by maintaining accuracy standards, completing tasks on time and applying quality control procedures.

2025 - 2026

Education

Work History