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Mark Caleb Chomba

AI Training Contributor & Data Annotation Specialist

KENYA flag
Mombasa, Kenya
$12.00/hrIntermediateInternal Proprietary Tooling

Key Skills

Software

Internal/Proprietary Tooling

Top Subject Matter

AI Training Datasets

Top Data Types

TextText
VideoVideo

Top Task Types

Classification
Segmentation

Freelancer Overview

AI Training Contributor & Data Annotation Specialist. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Diploma in Medical Engineering Technology, Kenya Coast National Polytechnic (2025) and Kenya Certificate of Secondary Education, Don Bosco Secondary School (2020). AI-training focus includes data types such as Text and labeling workflows including Classification.

IntermediateSwahiliEnglish

Labeling Experience

AI Training Contributor & Data Annotation Specialist

TextClassification
Contributed to AI training datasets and data annotation as part of freelance and self-directed projects. Responsible for classifying, labeling, and verifying diverse data types to train and evaluate AI models. Tasks included data entry, annotation, and preparation for machine learning workflows. • Labeled, cleaned, and verified training data for natural language and data analysis models. • Applied data classification techniques for AI projects in Python and Jupyter Notebook. • Annotated and validated textual or tabular data to meet AI dataset standards. • Ensured data accuracy, consistency, and completeness during annotation cycles.

Contributed to AI training datasets and data annotation as part of freelance and self-directed projects. Responsible for classifying, labeling, and verifying diverse data types to train and evaluate AI models. Tasks included data entry, annotation, and preparation for machine learning workflows. • Labeled, cleaned, and verified training data for natural language and data analysis models. • Applied data classification techniques for AI projects in Python and Jupyter Notebook. • Annotated and validated textual or tabular data to meet AI dataset standards. • Ensured data accuracy, consistency, and completeness during annotation cycles.

2023 - Present

Education

S

sololearn

certified, python

certified
2023 - 2025
K

Kenya Coast National Polytechnic

Diploma in Medical Engineering Technology, Medical Engineering Technology

Diploma in Medical Engineering Technology
2023 - 2025

Work History

S

Self-Employed

Freelance Software Developer and Tech Entrepreneur

Mombasa
2023 - Present
S

Self-Employed

Freelance Refrigeration Technician

Mombasa
2024 - 2024