Youssef Hassan

Results-driven AI Data Contributor with 1+ year of hands-on experience in AI training data enrichment, annotation, speech recording, and quality control. Combines mechanical engineering precision with deep expertise in multilingual data labeling, text classification, and audio validation for large-scale AI/ML projects.

Native

Arabic speaker with broad dialect coverage. Proven ability to deliver 100% quality-compliant datasets within tight deadlines across distributed remote teams.

AI Data Contributor at Freelance (2024-01 – Present)

• Annotate and label structured textual data (classification, NER, intent) for LLM and conversational AI training pipelines
• Record, review, and timestamp high-quality native Arabic audio (MSA, Egyptian, Saudi, Emirati dialects) for ASR training
• Perform RLHF tasks — rating AI responses for helpfulness, accuracy, and safety
• Conduct QA reviews on annotated datasets, maintaining 100% guideline compliance
• Manage and coordinate multilingual annotation teams covering transcription, localization, and speech recording projects
• Collaborate asynchronously with global teams via Slack, Trello, and Zoom with full NDA compliance

Mechanical Engineering Intern at Al Salab Company (2024-01 – 2024-12)

• Supported HVAC system design, technical analysis, and documentation
• Used CAD/CAM and SolidWorks for component specification, 3D modeling, and technical drafting

Private Tutor — Arabic & English at Freelance (2022-01 – Present)

• Delivered personalized language instruction; designed structured lesson plans adaptable to diverse learning levels
• Applied multilingual communication expertise directly to annotation and linguistic quality work

Data Entry Specialist at Freelance (2022-01 – 2022-12)

• Entered, verified, and organized large datasets using Microsoft Excel under deadline pressure
• Maintained confidential records with strict attention to detail

B.Sc. in Mechanical Engineering – HTI Technology Institute (2021-01 – 2026-12)