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Reuben Karanja

Reuben Karanja

AI Data Annotation & LLM Evaluation Specialist

UNITED_KINGDOM flag
Northfleet, United Kingdom
$17.00/hrExpertCVAT

Key Skills

Software

CVATCVAT

Top Subject Matter

No subject matter listed

Top Data Types

ImageImage
TextText

Top Label Types

Entity Ner Classification
Text Generation
Text Summarization

Freelancer Overview

I am an adaptable professional with a strong background in operations management, quality control, and process optimization, which equips me to excel in data labeling and AI training data roles. My experience in warehouse operations and inventory management has honed my attention to detail and ability to follow precise instructions—key skills for accurate data annotation. I am proficient in maintaining data integrity, adhering to strict quality standards, and working efficiently in fast-paced environments. I am eager to apply my organizational abilities and commitment to accuracy to support high-quality AI and machine learning projects.

ExpertEnglish

Labeling Experience

CVAT

Text & Image annotation for AI data trainning

CVATTextEntity Ner ClassificationText Generation
Worked on a large-scale data labelling project focused on preparing high-quality datasets or machine learning and large language model training Responsibilities included text classifiction,entity recognition and image annotation following strict labelling guidelines and quality standards.Ensured consistency, accuracy and bias awareness across annotations Collaborated with quality reviewers ,resolved edge cases and maintained high agreement scores.The labelled data was used to improve model accuracy, safety and real world performance

Worked on a large-scale data labelling project focused on preparing high-quality datasets or machine learning and large language model training Responsibilities included text classifiction,entity recognition and image annotation following strict labelling guidelines and quality standards.Ensured consistency, accuracy and bias awareness across annotations Collaborated with quality reviewers ,resolved edge cases and maintained high agreement scores.The labelled data was used to improve model accuracy, safety and real world performance

2024 - 2024

Education

D

Daystar University

Bachelor of Business Administration, International Business Administration

Bachelor of Business Administration
2019 - 2020

Work History

I

Integrated Service Solutions

Warehouse Operative

Sittingbourne
2025 - 2026
C

Chania Oil Petroleum

Petroleum Products Distributor

Thika
2022 - 2025