Nigel Mutahi

Key Skills

Software

CloudFactory

CVAT

Clickworker

HiveMind

Labelbox

Micro1

Mercor

Mindrift

OneForma

Remotasks

Scale AI

Toloka

Telus

iMerit

Top Subject Matter

AI Model Training

AI Model Training and Analytics

Legal Services & Contract Review

Top Data Types

Image

Text

Audio

Document

Top Task Types

Classification

Entity (NER) Classification

Freelancer Overview

AI Model Training Specialist. Brings 10+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal, Proprietary Tooling, and CloudFactory. Education includes Certificate, Emobilis Mobile Technology Institute (2018) and Certificate, Kenya Utalii College (2018). AI-training focus includes data types such as Image and Text and labeling workflows including Classification and Entity (NER) Classification.

Labeling Experience

AI Model Training Specialist

ImageClassification

As an AI Model Training Specialist at Clutterbot, I prepared and annotated datasets used in AI and machine learning training. My responsibilities included performing quality assurance reviews to maintain high dataset accuracy. I supported AI engineers with structured datasets for model optimization. • Generated accurate annotations for machine learning image datasets. • Conducted thorough quality checks throughout the labeling process. • Delivered structured data for model training and validation. • Collaborated closely with engineering teams to ensure optimized dataset delivery.

As an AI Model Training Specialist at Clutterbot, I prepared and annotated datasets used in AI and machine learning training. My responsibilities included performing quality assurance reviews to maintain high dataset accuracy. I supported AI engineers with structured datasets for model optimization. • Generated accurate annotations for machine learning image datasets. • Conducted thorough quality checks throughout the labeling process. • Delivered structured data for model training and validation. • Collaborated closely with engineering teams to ensure optimized dataset delivery.

2025 - Present

Data Annotator / Data Operations Specialist

CloudfactoryTextEntity Ner Classification

At CloudFactory, I annotated text, image, audio, and video datasets used for AI model training, and performed quality checks to ensure accuracy and consistency. I also prepared structured datasets for analytics and machine learning pipelines. My role was essential in ensuring data quality for various machine learning use cases. • Labeled and annotated text data for natural language processing tasks. • Worked on named entity recognition (NER) and text classification projects. • Engaged in continuous data quality reviews and audits. • Prepared datasets for downstream analytics and ML applications.

At CloudFactory, I annotated text, image, audio, and video datasets used for AI model training, and performed quality checks to ensure accuracy and consistency. I also prepared structured datasets for analytics and machine learning pipelines. My role was essential in ensuring data quality for various machine learning use cases. • Labeled and annotated text data for natural language processing tasks. • Worked on named entity recognition (NER) and text classification projects. • Engaged in continuous data quality reviews and audits. • Prepared datasets for downstream analytics and ML applications.

2018 - 2025

Education

Work History