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noura belhadjamor

@nourabelhadjamor

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AI/backend developer at Leanios who developed an Adaptive RAG chatbot for querying PostgreSQL databases.

Tunisia

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At Leanios, I developed an intelligent chatbot that lets users query PostgreSQL databases in natural language using Adaptive RAG. I implemented Text2SQL and Text2Text pipelines with Cohere and Vanna.ai, and integrated pgvector for semantic retrieval.

I designed a modular FastAPI backend and ReactJS frontend with WebSocket communication. I also added hallucination detection, answer evaluation, voice interaction, and JWT authentication.

Earlier, I built a web application for beekeepers at Leanios, including dashboards and real-time IoT-based hive monitoring. At M.D.S Tunisia, I engineered an embedded irrigation system and created Node.js APIs and an Android app for real-time climate data.

Experience

Work history, roles, and key accomplishments

AI / Backend Developer Intern

Leanios

Feb 2025 - Jun 2025 (4 months)

Developed an intelligent chatbot for querying PostgreSQL databases in natural language using Adaptive RAG. Designed a modular architecture with FastAPI backend, ReactJS frontend, and WebSocket communication.

fastAPI React WebSockets PostgreSQL Adaptive RAG Text2SQL Text to Text LLM Cohere Vanna.Ai Pgvector JWT SOLID Principles

Full Stack Developer Intern

Leanios

Jul 2023 - Aug 2023 (1 month)

Built a web application for beekeepers including a blogging platform and IoT-based hive monitoring. Implemented dashboards with Ruby on Rails and integrated connected devices for real-time hive condition tracking.

Ruby on Rails IoT Web Development Dashboarding

Full Stack Developer Intern

M.D.S Tunisia

Mar 2022 - Jun 2022 (3 months)

Engineered an embedded irrigation system using ESP32, DHT11, and IoT sensors. Created Node.js APIs and an Android app to retrieve and visualize climate data in real time, and built a digital platform for farmers using the MERN stack.

ESP32 DHT11 IoT NodeJS Android MERN Stack APIs