Osman O.

Key Skills

Software

Sama

Clickworker

Appen

Data Annotation Tech

Toloka

Telus

Top Subject Matter

AI training data annotation for supervised learning workflows

Content moderation and supervised learning dataset preparation for ML

Legal Services & Contract Review

Top Data Types

Text

Image

Document

Top Task Types

Classification

Transcription

Text Summarization

Text Generation

Entity (NER) Classification

Point/Key Point

Freelancer Overview

Data Annotation Intern — Samasource (SAMA). Core strengths include Sama and Other. Education includes Bachelor of Science, Jaramogi Oginga Odinga University of Science and Technology (JOOUST) (2024). AI-training focus includes data types such as Text, Image, and Computer Code and labeling workflows including Classification, Entity (NER), and Computer Programming.

Labeling Experience

Data Annotation & AI Training Intern at Digital Divide Data Kenya (DDD Kenya)

OtherTextClassification

Completed advanced data annotation tasks including categorization, tagging, and content moderation for AI training datasets. Assisted with dataset pre-processing for machine learning applications using basic Python tools. Conducted quality assurance reviews to ensure compliance with annotation guidelines and contributed structured training data to improve AI model performance.• Categorized and tagged content for moderation and training.• Performed QA reviews for guideline compliance.• Pre-processed datasets using basic Python tooling.• Communicated errors, inconsistencies, and feedback to supervisors.

2026 - 2026

Data Annotation Intern at Samasource (SAMA)

SamaImageClassification

Annotated and labeled large text datasets to support AI model training in line with project guidelines. Performed data validation and quality checks to improve dataset reliability and consistency. Collaborated with supervisors to meet daily and weekly production targets and supported supervised learning data preparation.• Labeled textual data (classification/categorization) for training use.• Applied project-specific guidelines to ensure label accuracy.• Conducted validation and quality assurance checks.• Reported and aligned outputs with team targets.

2025 - 2025

Education

Work History