@mahmoudal-refaey
AI Engineer Intern at GBG who improved Arabic banking RAG faithfulness to 97% and co-developed the Chinhook Text-to-SQL agent.
EgyptAt Global Brands Group (GBG), I worked on an Arabic RAG chatbot for bank documents and helped raise faithfulness from 79% to 97%. I also designed the LangGraph workflow for Chinhook, an open-source Text-to-SQL agent sponsored by GBG.
At Beetleware, I worked across AI and full-stack development on NexaOS, including an assistant agent and a RAG chatbot. In my projects, I built OrbitTalent, an LLM-assisted CV screening platform, and AraSpellX, an Arabic spelling and OCR correction model.
Work history, roles, and key accomplishments
Global Brands Group
Aug 2026 - Present (2 months)
Worked on an Arabic RAG chatbot for a regional bank, improving faithfulness from 79% to 97% and correctness from 61% to 85%. Co-developed Chinhook, an open-source Text-to-SQL agent.
Beetleware
Aug 2025 - Jan 2026 (5 months)
Worked on NexaOS, an AI-powered web desktop application, building an assistant agent and a RAG chatbot. Added AI features such as text generation and contributed to open-source projects.
Degrees, certifications, and relevant coursework
Data Science Trainee, Data Science
2024 - 2025
Activities and societies: Mentored peers in ML and data science.
Data Science Trainee. Built machine learning models in team projects and mentored peers in ML and data science.
Machine Learning Specialization, Machine Learning
Machine Learning Specialization certification.
IBM AI & Data Science, AI & Data Science
IBM AI & Data Science certification.
Deep Learning with PyTorch, Deep Learning
Deep Learning with PyTorch certification.
Developing Applications with LangChain Track, LangChain
Developing Applications with LangChain Track certification.
Bachelor of Science, Artificial Intelligence
2021 - 2025
Grade: Very Good (Honors)
Activities and societies: Team lead for graduation project; developed a stacking ensemble model with 84.5% PR-AUC.
B.Sc. in Artificial Intelligence with Honors. Graduation project on telecom churn prediction platform, leading a team of six.
Certified Python Data Associate, Python
Certified Python Data Associate certification.
Multi-Agent Systems with LangGraph, LangGraph
Multi-Agent Systems with LangGraph certification.
Software and tools used professionally
Amazon EC2
Microsoft Azure
GitHub
NumPy
Pandas
MySQL
PostgreSQL
Django
Next.js
EasyOCR
React
Python
TensorFlow
PyTorch
scikit-learn
Streamlit
FastAPI
SQLAlchemy
Vercel
Git
Docker
SQL
Amazon SageMaker
Azure Blob Storage
XGBoost
LightGBM
Qdrant
LangChain
DeepEval
ONNX Runtime
LangGraph
Unsloth
Retrieval-Augmented Generation (RAG)
AWS
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