Hi, I'm Majd Zarai
AI Engineer / Co-founder of Yottanest
|

About Me
AI Engineer and Data Scientist with a solid foundation in mathematics, ML, and deep learning. I specialize in LLM pipelines, RAG systems, graph intelligence, and multi-agent MCP architectures. As Co-Founder of YottaNest and a freelance AI developer, I focus on building scalable automation and high-performance intelligent systems.
Core Technologies & Expertise

Risk Scoring Models

Anomaly Detection

Python

Computer Vision

TensorFlow

Transformers

NLP / LLMs

LangChain

ML/DL
Featured Projects

Vigilant X – AI-Powered Crypto Due Diligence
Advanced AI platform for crypto risk assessment and automated due diligence

Churn Prediction App
AI-powered customer retention tool with real-time predictions

Real-Time Parking Space Detection
Computer vision system for live parking spot monitoring

Brain Tumor Classification
Deep learning solution for MRI-based tumor detection
ACHIEVEMENTS & AWARDS
Recognition.
"
2nd Place – IndabaX Tunisia 2025 Hackathon
Anomaly Detection challenge among 69 teams, 10,500 TND prize
@ IndabaX Tunisia
Hackathon of 2025

"
Best Project of the Year – ESPRIT University 2025
Selected from 200+ competing projects for Vigilant X platform
@ ESPRIT University
Award of 2025

"
Chosen Top Project for Value Incubator
Selected as the top project by Value Incubator for innovation, technical rigor, and impact
@ Value Incubator
Award of 2025

What I have done so far
Work Experience.
Co-Founder & Lead AI Engineer
YottaNest
Bulgaria
- Architected advanced multi-agent AI platform automating KYC/AML workflows using Web, Graph, RAG, and Report Agents
- Integrated multiple LLMs (Llama 3.1, ChatGPT, DeepSeek, Kimik2, BERT) enabling adaptive reasoning and compliance automation
- Designed privacy-first microservices architecture ensuring secure on-premise data processing and regulatory alignment
- Achieved 90% reduction in manual processing time with improved accuracy in entity recognition and risk detection
AI Engineer Intern
Value Incubator
- Architected Django application with advanced semantic chunking, RAG architecture, and automated fact verification for Vigilant X platform
- Implemented sophisticated PPTX reporting using LLMs integrated with real-time financial data APIs
- Deployed scalable microservices handling 10,000+ daily queries with 99.9% uptime
- Award: Best Project of the Year (ESPRIT 2025) — Selected from 200+ competing projects
AI Engineer Intern
Axe Finance
Tunisia
- Developed state-of-the-art NLP models for real-time adverse media monitoring and risk classification
- Built intelligent web scraping agents with adaptive algorithms for continuous data enrichment
- Enhanced client decision-making by 40% through AI-driven insights integration into compliance workflows
GenAI Engineer Intern
Sellmax
Remote
- Designed end-to-end Tunisian Arabic voice assistant with integrated STT, NLU, and TTS pipelines
- Built comprehensive speech data pipelines including collection, preprocessing, and model fine-tuning
- Reduced response time by 60% while replacing traditional call center workflows with intelligent automation
Get in touch
Contact.
Let's work together
Have a project in mind? Let's discuss how I can help bring your ideas to life.