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Youssef Yasser

Youssef Yasser

STEM Expert with experience in Data Annotation, LLM Evaluation (EN+AR)

Egypt flagShebin Elkom, Egypt
$15.00/hrExpertAppenClickworkerData Annotation Tech

Key Skills

Software

AppenAppen
ClickworkerClickworker
Data Annotation TechData Annotation Tech
MercorMercor
OneFormaOneForma
RemotasksRemotasks
Scale AIScale AI
TelusTelus

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
ImageImage
Medical DicomMedical Dicom

Top Task Types

Audio Recording
Data Collection
Prompt Response Writing SFT
RLHF
Translation Localization

Freelancer Overview

5 Years of professional experience as a bilingual STEM Expert (English and Arabic), where I was responsible for generating prompts that are supposed to stump AI models in Physics, Chemistry and Biology. 4 years of professional experience in Data Annotation, Data labeling, LLM Evaluation. An expert in training AI audio models, with proven experience in Audio recording and Audio Segmentation in both English and Arabic.

ExpertArabicEnglish

Labeling Experience

Mercor

STEM Expert

MercorMedical DicomDiagnosis
The project was about training AI models in Clinical Medicine, to help the model to give a diagnosis.

The project was about training AI models in Clinical Medicine, to help the model to give a diagnosis.

2025
Scale AI

Audio Editor

Scale AIAudioRLHF
RLHF Project that was about training the AI model for audio recognition in the Arabic language.

RLHF Project that was about training the AI model for audio recognition in the Arabic language.

2025 - 2025
Appen

Image Annotator

AppenImageClassification
The project was about labeling and classifying images according to the objects included in each image

The project was about labeling and classifying images according to the objects included in each image

2024 - 2025
Scale AI

Data Labeler and Annotator

Scale AITextPrompt Response Writing SFT
I have worked as a data annotator and data labeler for 9 months where i was responsible for rating the AI model's responses according to factuality, trustfulness, correctness, comprehensiveness.

I have worked as a data annotator and data labeler for 9 months where i was responsible for rating the AI model's responses according to factuality, trustfulness, correctness, comprehensiveness.

2024 - 2025

Education

M

Menoufia University

Doctor of Chemistry and Biochemistry, Chemistry and Biology

Doctor of Chemistry and Biochemistry
Not specified
C

Cairo University

Bachelor of Medicine and General Surgery, Medicine and General Surgery

Bachelor of Medicine and General Surgery
Not specified

Work History

B

Bio.Tech

Biology and Chemistry Expert

New York
2024 - Present
N

N/A

General Medical Practitioner

Cairo
2024 - Present