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Cathy Kamau

Cathy Kamau

AI Training Specialist - Data Annotation and Quality Assurance

KENYA flag
Nairobi, Kenya
$20.00/hrIntermediateLabelbox

Key Skills

Software

LabelboxLabelbox

Top Subject Matter

No subject matter listed

Top Data Types

VideoVideo

Top Label Types

Question Answering
Action Recognition

Freelancer Overview

I am an experienced AI Training Specialist with over 6 years of hands-on expertise in data labeling, annotation, and quality assurance for machine learning projects. My background includes executing high-volume RLHF tasks, supervised fine-tuning, semantic labeling, and model ranking across diverse domains such as computer vision, natural language processing, mathematics, and creative writing. I am highly skilled in evaluating LLM outputs for accuracy, linguistic nuance, and policy compliance, and have consistently maintained a 99% quality score in my work. Proficient with tools like Labelbox, Scale AI, Appen, and Deepen AI, I leverage my technical skills in Python, SQL, and Linux to optimize workflows and ensure the delivery of high-quality datasets that improve AI model performance, safety, and reasoning. My experience also extends to multilingual sentiment analysis, fact-checking, and technical documentation, making me adept at translating complex guidelines into actionable, reliable training data.

IntermediateEnglish

Labeling Experience

Labelbox

Atomic Action Labeling & Logical Reasoning

LabelboxVideoQuestion AnsweringAction Recognition
Executed precise "Atomic Action" labeling for a multi-modal AI project. This involved breaking down complex human actions into discrete, searchable "atoms" to improve model understanding of physical sequences. Additionally, I audited step-by-step logical reasoning chains for mathematical and technical prompts to ensure the model followed a correct "Chain-of-Thought" process.

Executed precise "Atomic Action" labeling for a multi-modal AI project. This involved breaking down complex human actions into discrete, searchable "atoms" to improve model understanding of physical sequences. Additionally, I audited step-by-step logical reasoning chains for mathematical and technical prompts to ensure the model followed a correct "Chain-of-Thought" process.

2021 - 2021

Education

U

University of Greenwich

Bachelor of Science, Statistics and Computer Science

Bachelor of Science
2020 - 2024
C

City and Islington College

Diploma, Information Technology

Diploma
2018 - 2020

Work History

M

Maritime Logistics Group

Junior Data Analyst

London
2018 - 2019