Naser Rahhal

Naser Rahhal

AI Engineer
Jordan
English, Arabic
Full-time Hybrid

About Me

AI Engineer with 2+ years of experience building and evaluating production LLM and Retrieval-Augmented Generation (RAG) systems. Skilled in Python, LangChain/LangGraph, vector databases, hybrid search, and agentic tool-u…

Experience

AI Engineer 1

MenaDevs · Amman, Jordan
Jan 2026 - Present · 9 months

<p>Designed and deployed a Hybrid RAG Agent routing natural language queries across 10-K PDF reports and a SQL stock price database using LangChain, FAISS, and PostgreSQL.</p><p> Implemented hybrid search, table-aware document ingestion, and a streaming API for efficient, low-latency retrieval over dense financial documents.</p><p> Integrated quantized open-source LLMs to reduce inference latency and serving cost while preserving response quality.</p><p> Reviewed AI-generated solutions for GitHub-based engineering tasks, including bug fixes, feature changes, failing tests, and repository-specific implementation requirements.</p>

AI Prompt Engineer

MenaDevs · Amman, Jordan
Apr 2024 - Jan 2026 · 1 year 9 months

<p>Created and evaluated prompts for AI models across coding, reasoning, response comparison, Arabic language, and instruction-following task types.</p><p> Performed Arabic and Levantine dialect evaluation, reviewing model responses for dialect accuracy, tone, fluency, and cultural and contextual correctness.</p><p> Identified factual errors, logical gaps, hallucinations, weak reasoning, and incomplete answers in model outputs, then delivered structured feedback used to improve model quality.</p>

Skills

Python SQL PostgreSQL SQLite Retrieval-Augmented Generation (RAG) LangChain LangGraph OpenAI API Hugging Face Prompt Engineering Agentic & Tool-Use Systems LLM-as-a-Judge Evaluation Quantized Open-Source LLMs vLLM FAISS ChromaDB Embeddings Hybrid Search BM25 Cross-Encoder Re-ranking Cosine Similarity Semantic Caching PyTorch TensorFlow scikit-learn CNNs Text Classification Sentiment Analysis Pandas NumPy Data Cleaning Preprocessing Power BI Tableau FastAPI REST APIs SSE Streaming OAuth 2.0 Docker Git GitHub Actions CI/CD
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