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James Karugu

James Karugu

AI Data Labelling & Quality Specialist - Multilingual Datasets

KENYA flag
Nakuru, Kenya
$20.00/hrExpertCVAT

Key Skills

Software

CVATCVAT

Top Subject Matter

No subject matter listed

Top Data Types

Medical DicomMedical Dicom

Top Label Types

Segmentation
Relationship
Classification
Object Detection
Tracking

Freelancer Overview

I am an experienced AI Data Labeling and Quality Specialist with a proven track record of enhancing model performance through precise annotation, sentiment analysis, and multilingual evaluation. My background includes improving AI response quality by 75% at TELUS International, where I managed end-to-end labeling tasks with over 99% accuracy and provided bilingual feedback in English and Spanish to ensure cultural and linguistic relevance. I am skilled in auditing datasets, refining annotation guidelines, and collaborating with data scientists to optimize labeling processes. With hands-on experience in intent classification, AI model training, and a strong understanding of annotation standards, I am dedicated to delivering high-quality, consistent data for NLP and conversational AI applications.

ExpertEnglish

Labeling Experience

CVAT

Data labeller

CVATMedical DicomSegmentationRelationship
I have done data labelling tasks on tracking Segmenting tumors or defects in X-rays/MRI scans also.

I have done data labelling tasks on tracking Segmenting tumors or defects in X-rays/MRI scans also.

2023 - 2025

Education

K

Kirinyaga University

Bachelor of Science, Computer and Information Sciences

Bachelor of Science
2019 - 2023

Work History

M

Mediheal international

Intern radiologist

Nakuru
2023 - 2023