Geoffrey Maina

Key Skills

Software

OneForma

Other

Telus

Top Subject Matter

No subject matter listed

Top Data Types

Image

Video

Top Label Types

Segmentation

Action Recognition

Freelancer Overview

I am a Computer Science undergraduate with over five years of hands-on experience ensuring data integrity, quality assurance, and system reliability in large-scale information systems. My background includes supervising the digitization and validation of millions of records with a 98%+ accuracy rate, training teams on best practices in data handling, and implementing rigorous QA processes. I am skilled in data validation, prompt robustness, bias/fairness auditing, and documentation, and I have experience with tools such as Microsoft Office, CRM systems, and electronic document management platforms. I am passionate about ethical AI, systematic process improvement, and contributing to the safety and robustness of AI models—particularly through data annotation, model evaluation, and quality monitoring. I thrive in collaborative environments, communicate technical concepts clearly, and am committed to delivering high-quality, reliable training data for AI systems.

Labeling Experience

AI Trainer Specialist

OneformaImageSegmentation

Describing the activities happening per segment

Describing the activities happening per segment

2025 - 2025

Data Annotator

OtherVideoAction Recognition

Under Atlas Capture, we were labelling the videos by describing the hand actions on the videos

Under Atlas Capture, we were labelling the videos by describing the hand actions on the videos

2024 - 2025

Data Labelling

TelusImageSegmentation

Labelling all items on the road, eg zebra crossing, traffic lights etc

Labelling all items on the road, eg zebra crossing, traffic lights etc

2022 - 2025

Education

Work History