RAYEN·HAJJEM RH‑2026 Get in touch

Building the logic
between hardware and the cloud.

PhD Student — STA Lab · Embedded Systems & IoT Engineer

I design intelligent embedded architectures and secure IoT systems from firmware and sensor pipelines up to the AI and cloud layers that make them useful. Currently researching quantum‑enhanced IoT at the National School of Engineering of Sfax.

Portrait of Rayen Hajjem
LOC · Beni Hassen, TN ● ACTIVE
6+
Internships
6
Key Projects
1
Publications
12
Certifications
3
Languages Spoken

Focus areas

What I work with

Embedded & Firmware

STM32, ESP32/ESP8266, Arduino and Raspberry Pi platforms from bare‑metal firmware to real‑time sensor pipelines.

Connected & IoT Systems

Secure device‑to‑cloud communication with MQTT, LoRa and Firebase, built for reliability in the field.

Applied AI & Quantum

CNN‑based computer vision, deep learning web apps, and quantum‑computing prototypes for next‑gen IoT.

Selected work

Featured projects

PRJ‑01Complete

Quantum‑IoT Prototype

May – Aug 2025 · Mitacs, Canada

A prototype system exploring quantum computing applications inside IoT device pipelines.

PennyLaneQiskitMQTT
PRJ‑02Complete

Infected Tomato Detection

Jan 2025

A CNN‑based computer vision model serving real‑time plant‑disease classification through a Flask API.

CNNFlaskPython
PRJ‑03Complete

Agriculture Remote Control

Jul – Aug 2024

Long‑range IoT farm control system reporting live sensor data to a Firebase backend.

ESP32LoRaFirebase
See all projects →