Cosmas M.

Key Skills

Software

Labelbox

CVAT

Supervisely

Roboflow

Top Subject Matter

Computer Vision and Speech Recognition datasets for machine learning

Top Data Types

Image

Video

Audio

Top Task Types

Object Detection

Freelancer Overview

AI Training Specialist / Data Annotation Expert (Freelance, Remote). Core strengths include Labelbox, CVAT, and Supervisely. Education includes Bachelor of Information and Technology, University of Nairobi (2017). AI-training focus includes data types such as Image, Video, and Audio and labeling workflows including Object Detection.

Labeling Experience

AI Training Specialist / Data Annotation Expert (Freelance, Remote)

LabelboxImageObject Detection

Provided high-quality annotations for images, videos, and audio to support machine learning and AI training workflows. Ensured labeling accuracy and consistency by following strict project guidelines and quality standards. Reviewed and corrected datasets to reduce labeling errors and improve downstream model performance. • Tagged and classified objects and data to create structured datasets • Created bounding box and polygon-style annotations for visual data • Performed audio transcription and tagging for speech recognition use cases • Conducted dataset review, validation, and QC checks before delivery

2022 - Present

Education

Work History