For employers

Hire this AI Trainer

Sign in or create an account to invite AI Trainers to your job.

Invite to Job
Ehab Raafat

Ehab Raafat

Data Annotator | Data Analyst

EGYPT flag
Cairo, Egypt
$7.00/hrIntermediateAppenClickworkerCVAT

Key Skills

Software

AppenAppen
ClickworkerClickworker
CVATCVAT
LabelboxLabelbox
MercorMercor
OneFormaOneForma
Scale AIScale AI
Other

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
ImageImage
TextText
VideoVideo

Top Label Types

Action Recognition
Audio Recording
Classification
Data Collection
Evaluation Rating
Object Detection
Point Key Point
Prompt Response Writing SFT
Question Answering
Segmentation
Text Summarization
Tracking
Transcription

Freelancer Overview

I have hands-on experience in data labeling and AI training data preparation, supporting the development of high-quality machine learning models across text, image, and structured datasets. My work has involved annotating data with precision, applying detailed labeling guidelines, conducting quality assurance reviews, and maintaining consistency across large-scale datasets. I am comfortable using annotation tools, following complex taxonomies, and collaborating with cross-functional teams to ensure data accuracy and reliability for model training and evaluation. What sets me apart is my strong attention to detail, ability to quickly understand domain-specific guidelines, and commitment to delivering clean, well-structured datasets that directly improve model performance. I combine analytical thinking with efficiency, consistently meeting deadlines while maintaining high accuracy rates. My adaptability across different project types and focus on continuous improvement enable me to contribute effectively to AI training pipelines and data quality enhancement initiatives.

IntermediateArabicGerman

Labeling Experience

Scale AI

Aether Patch

Scale AITextSegmentationClassification
On the Aether project with Outlier, I contribute to AI training and evaluation by analyzing model-generated responses and improving their quality through structured feedback and precise annotations. My role involves reviewing prompts and outputs, identifying inaccuracies or logical gaps, applying detailed rating criteria, and providing corrections that help refine model performance. I follow strict guidelines to ensure consistency, clarity, and alignment with project standards across large-scale datasets. I also perform quality control tasks, compare alternative responses, and help fine-tune outputs for accuracy, coherence, and factual reliability. This work requires strong critical thinking, attention to detail, and the ability to interpret complex instructions quickly. Through this project, I directly support the continuous improvement of large language models by ensuring high-quality training data and evaluation standards.

On the Aether project with Outlier, I contribute to AI training and evaluation by analyzing model-generated responses and improving their quality through structured feedback and precise annotations. My role involves reviewing prompts and outputs, identifying inaccuracies or logical gaps, applying detailed rating criteria, and providing corrections that help refine model performance. I follow strict guidelines to ensure consistency, clarity, and alignment with project standards across large-scale datasets. I also perform quality control tasks, compare alternative responses, and help fine-tune outputs for accuracy, coherence, and factual reliability. This work requires strong critical thinking, attention to detail, and the ability to interpret complex instructions quickly. Through this project, I directly support the continuous improvement of large language models by ensuring high-quality training data and evaluation standards.

2025 - 2025
Labelbox

Video Annotation Specialist

LabelboxVideoObject DetectionTracking
Labeled and tagged video content to prepare high-quality datasets for AI model training. Focused on object recognition, scene classification, and ensuring accuracy through detailed reviews.

Labeled and tagged video content to prepare high-quality datasets for AI model training. Focused on object recognition, scene classification, and ensuring accuracy through detailed reviews.

2025 - 2025

Audio Labeling

OtherAudioAudio Recording
Recording English Sentences with high accuracy

Recording English Sentences with high accuracy

2025 - 2025

TTS Audio Recording

OtherAudioPoint Key PointAudio Recording
spot when the AI talks and when the user talks and annotate the millisecond they speak and when they interrupt and stop speaking.

spot when the AI talks and when the user talks and annotate the millisecond they speak and when they interrupt and stop speaking.

2025 - 2025
Scale AI

pensgolion

Scale AITextEvaluation Rating
rating responses of 2 prompts and determine which is better

rating responses of 2 prompts and determine which is better

2024 - 2024

Education

A

Ain Shams University

Bachelor of Business Administration, Business Administration

Bachelor of Business Administration
2023 - 2026
A

Ain Shams University

Bachelor of English Business, English Business

Bachelor of English Business
2022 - 2025

Work History

D

DEPI

Data Analyst

Cairo
2025 - 2025
D

DEPI

Data Analyst

Cairo
2025 - 2025