Umar Abdulfatah

Key Skills

Software

Data Annotation Tech

Top Subject Matter

No subject matter listed

Top Data Types

Document

Text

Top Label Types

Classification

Translation Localization

Evaluation Rating

Transcription

Freelancer Overview

I am a detail-oriented AI Data Annotator and Training Specialist with over 4 years of experience supporting machine learning projects through high-quality data labeling, annotation, and evaluation. My expertise spans text, image, and audio annotation, as well as AI model evaluation and prompt review. I have a strong track record of accurately following complex guidelines, identifying inconsistencies, and ensuring data quality under tight deadlines. My skills include internet research, fact-checking, written English proficiency, and critical thinking, which enable me to deliver reliable results for advanced AI model training. I am proficient with tools such as Remotasks, DataAnnotation, Appen, TELUS AI, Google Workspace, and remote collaboration platforms like Slack and Zoom. I am comfortable working independently in remote environments and am available for both part-time and full-time contract opportunities.

Labeling Experience

Freelance Translator & Content Reviewer (AI-focused)

Data Annotation TechTextEvaluation RatingTranscription

As a freelance content reviewer, I reviewed AI-generated text for grammar, clarity, tone, and factual accuracy. I performed linguistic quality checks to ensure professional and academic standards were met. I supported research and verification of multilingual content, focusing on Arabic and English outputs. • Carried out comprehensive text evaluation and editing. • Identified contextual and linguistic errors in AI outputs. • Ensured cultural and linguistic appropriateness. • Enhanced clarity and accuracy for LLM-based projects.

As a freelance content reviewer, I reviewed AI-generated text for grammar, clarity, tone, and factual accuracy. I performed linguistic quality checks to ensure professional and academic standards were met. I supported research and verification of multilingual content, focusing on Arabic and English outputs. • Carried out comprehensive text evaluation and editing. • Identified contextual and linguistic errors in AI outputs. • Ensured cultural and linguistic appropriateness. • Enhanced clarity and accuracy for LLM-based projects.

2025 - 2025

AI Content Evaluator / Data Annotation

Data Annotation TechDocumentClassificationTranslation Localization

As an AI Content Evaluator and Data Annotation specialist, I evaluated chatbot responses for correctness and coherence. I labeled text datasets for language and intent classification tasks to train language models. I provided feedback to enhance the accuracy and relevance of AI-generated outputs. • Conducted classification of text data for intent and language detection. • Followed strict project guidelines throughout annotation tasks. • Reviewed model outputs for linguistic and contextual appropriateness. • Contributed to the improvement of AI model performance.

As an AI Content Evaluator and Data Annotation specialist, I evaluated chatbot responses for correctness and coherence. I labeled text datasets for language and intent classification tasks to train language models. I provided feedback to enhance the accuracy and relevance of AI-generated outputs. • Conducted classification of text data for intent and language detection. • Followed strict project guidelines throughout annotation tasks. • Reviewed model outputs for linguistic and contextual appropriateness. • Contributed to the improvement of AI model performance.

2023 - 2023

Education

Work History