Mahmoud (Ibrahim) Hassan-Data Annotation Specialist
Check rate
Experience
Data Annotation Specialist
alignerr
- Worked on AI training and evaluation tasks, including response rating, instruction following, and content refinement.
- Supported data alignment for multilingual model fine-tuning and RLHF (Reinforcement Learning from Human Feedback).
Chatbot Trainer
Outlier
- Trained and evaluated chatbot models in Arabic and English, improving response accuracy and naturalness.
- Conducted AI model comparisons and graded outputs for fluency, relevance, and coherence.
- Provided linguistic feedback to enhance large language models (LLMs).
Linguistic Data Specialist
LanguageTech Solutions
- Curated and labeled datasets for NLP applications in Arabic and English.
- Collaborated with developers to build tools improving annotation workflow and dataset consistency.
Arabic Language Specialist
TextAnalytics Corp
- Developed annotated datasets for AI translation and transcription models.
- Conducted linguistic research to improve Arabic-English translation accuracy.
2D & 3D Lead Annotator
Remotasks
- Led teams in LiDAR, 2D, and 3D data annotation projects for autonomous driving and visual recognition.
- Ensured labeling accuracy and trained new annotators on quality standards.
- Managed project pipelines and delivered datasets aligned with machine learning model requirements.
Freelance Lawyer & Legal Consultant
Law Office
- Provide legal consultation and representation for clients in civil, commercial, and administrative cases.
- Draft, review, and negotiate contracts and legal agreements.
- Handle client documentation, legal filings, and dispute resolution.
- Offer freelance legal services while managing independent client relationships and case portfolios.
Lawyer & Legal Consultant
Amin Fathi Sorour Law Office
- Practiced law as a licensed attorney handling civil, commercial, and administrative cases.
- Drafted and reviewed legal documents, contracts, and client agreements.
- Represented clients in court proceedings and provided legal consultation.
- Managed case documentation and coordinated with legal teams and clients.
- Worked as both an in-office and independent lawyer, maintaining a record of successful case resolutions.
AI Data Annotator & LLM Trainer (Freelance)
dataannotation.tech, Remotasks, Outlier, Aligner, erudai, Invisible marketplace, ayadata
- Contributed to the development and fine-tuning of Large Language Models (LLMs) for multilingual understanding, especially Arabic and English.
- Performed data annotation, chatbot evaluation, and prompt optimization to improve AI model accuracy.
- Labeled and validated text, image, and 3D data for training advanced AI systems.
- Created and reviewed prompts to enhance model responses and contextual relevance.
- Worked on Reinforcement Learning from Human Feedback (RLHF) tasks to train conversational AI.
- Collaborated with technical teams to identify errors and ensure data quality.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Professional Services, Information Technology, and Automotive.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Legal, Quality Assurance, Research and Development, Operations, Project Management, and Product Development.
Summary
I am a professional with over 5 years of experience in data annotation, AI training, and language model development. My expertise includes 2D & 3D data annotation, chatbot response evaluation, and natural language processing. I am passionate about enhancing AI performance through quality data and cultural language understanding.
Skills
Ai Training & Evaluation: Deep Understanding Of How Llms Are Trained And Tested.
Prompt Engineering: Writing And Improving Prompts For Better Ai Responses.
Data Labeling Tools: Experienced In Cvat, Labelbox, Clarifai, And Custom Annotation Platforms.
Quality Assurance: Ensuring Linguistic Accuracy And Consistency Across Datasets.
Documentation: Writing Clear Annotation Guidelines And Task Instructions.
Python
Nlp
Ai & Chatbot Training
Data Annotation
Llm Evaluation
Prompt Engineering
Technical Writing
3d & 2d Annotation
Quality Assurance
Cross-Cultural Communication
Build Tools
Machine Learning Basics
Data Labeling Tools
Cvat
Labelbox
Clarifai
Python (For Data Manipulation And Basic Scripting)
Machine Learning Basics
Deep Learning Concepts
Natural Language Processing (Nlp)
Data Preprocessing
Prompt Engineering
Regular Expressions (Regex)
Json / Csv Data Formatting
Version Control (Git & Github Basics)
Api Usage And Integration Basics
Annotation Tools: Cvat, Labelbox, Remotasks, Scale Ai, Clarifai, Superannotate
Llm Platforms: Chatgpt, Anthropic Claude, Openai Playground, Hugging Face
Project Management Tools: Slack, Notion, Trello
Translation & Text Tools: Trados, Deepl, Google Translate Toolkit
Quality Control: Excel/Google Sheets (For Data Tracking And Reviews)
Languages
Education
Tanta University
Bachelor of Laws · Law · Cairo, Egypt
Certifications & licenses
AI for Everyone
Andrew Ng (Coursera)
Data Annotation Best Practices
LinkedIn Learning
Introduction to Large Language Models (LLMs)
Deeplearning.AI
Machine Learning with Python
Coursera
Prompt Engineering for Generative AI
Coursera / OpenAI
Statistics
Experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Mahmoud is based in Cairo, Egypt.
Mahmoud speaks the following languages: Arabic (Native), English (Native).
Mahmoud has at least 14 years of experience. During this time, Mahmoud has worked in at least 7 different roles and for 7 different companies. The average length of individual experience is 2 years and 1 month. Note that Mahmoud may not have shared all experience and actually has more experience.
Based on recent experience, Mahmoud would be well-suited for roles such as: Data Annotation Specialist, Chatbot Trainer, Linguistic Data Specialist.
Mahmoud's most recent position is Data Annotation Specialist at alignerr.
In recent years, Mahmoud has worked for alignerr, Outlier, LanguageTech Solutions, Remotasks, and Law Office.
Mahmoud is most experienced in industries like Professional Services, Information Technology, and Automotive.
Mahmoud is most experienced in business areas like Legal, Quality Assurance, and Research and Development. Mahmoud also has some experience in Operations, Project Management, and Product Development.
Mahmoud has recently worked in industries like Professional Services, Information Technology, and Automotive.
Mahmoud has recently worked in business areas like Legal, Quality Assurance, and Operations.
Mahmoud holds a Bachelor in Law from Tanta University.
Mahmoud has 5 certificates. Among them, these include: AI for Everyone, Data Annotation Best Practices, and Introduction to Large Language Models (LLMs).
Mahmoud is immediately available full-time for suitable projects.
Daily rate distribution
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Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 25 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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