Casey Otieno

Key Skills

Software

CVAT

Data Annotation Tech

Labelbox

OneForma

Telus

Top Subject Matter

Finance

Sales

Software

Top Data Types

Text

Document

Computer Code Programming

Top Task Types

RLHF

Computer Programming/Coding

Prompt + Response Writing (SFT)

Freelancer Overview

I have extensive experience in AI training data workflows, particularly in labeling, validation, and quality assurance for large language model (LLM) systems. My work has involved analyzing real-world datasets, designing and reviewing high-quality training tasks, and ensuring consistency and correctness through structured evaluation frameworks. I’ve contributed to human-in-the-loop pipelines where I validated outputs, identified edge cases, and improved dataset quality to enhance model performance and reliability. What sets me apart is my strong combination of technical and analytical skills—I work comfortably with Python, Git, and data tools to inspect, clean, and benchmark datasets at scale. I also bring experience in codebase analysis and issue triaging, which allows me to create realistic, high-signal training scenarios grounded in real-world problems. My focus on reproducibility, clear documentation, and attention to detail ensures that datasets are not only accurate but also valuable for robust AI model training and evaluation.

Labeling Experience

Education

Work History