Yosr Ben Nagra — Full-Stack Engineer

Profile

Full-stack engineer who ships reliable apps with modern stacks, AI integration, and DevOps automation. I turn complex problems into clean, production-ready solutions — from fine-tuning ML models to setting up CI/CD with monitoring.

Skills & Stack

Frontend

React Next.js TypeScript Angular JavaScript

Backend

Spring Boot NestJS Flask Django Node.js Java Python

Data

PostgreSQL MongoDB MySQL Redis

DevOps

Docker Jenkins GitHub Actions SonarQube Grafana

AI / ML

Hugging Face RAG LLMs Fine-Tuning

Languages

English

Fluent

French

Fluent

Arabic

Native

Experience

Full-Stack Developer Intern

ITServ — Tunisia

Feb 2025 – Present

Graduation Project

Built AI clinic assistant end-to-end: cleaned medical data, fine-tuned T5-base with TensorFlow, TRL & Hugging Face.
Flask APIs with MongoDB vectors + PostgreSQL for forum, auth, ratings; Mongo Atlas fallback.
React UI for patients, doctors & admins; Jenkins, SonarQube, Grafana & Prometheus pipeline.

Full-Stack Developer Intern

IronByte — Tunisia

Jun – Aug 2024

Secure SaaS for schools with Spring Boot + Angular: role-based access, timetable generation, lesson sharing.
DAO/DTO layers, PrimeNG UI, unit & integration tests per release.

Full-Stack Developer Intern

Ooredoo Tunisie

Jul – Sep 2023

Internal comms app with real-time chat, filtering & search — Spring Boot + Angular.
Prototyped UX/UI, WebSocket messaging, automated testing.

Software Engineer Intern

ITServ — Tunisia

Jun – Aug 2021

Java desktop tool automating Excel-to-XML for financial teams — Apache POI, schema validation, ERP-compliant exports.

Projects

Portfolio Website

Personal Project

2024 – 2025

Multilingual portfolio with Next.js 14, Framer Motion, i18n, dark/light mode.
Deployed on Vercel: portfolio-yosr.vercel.app

Next.js TypeScript Tailwind Framer Motion

Shape Blaster — Mobile Game

Published on Google Play

2024

Block-Blast puzzle game with Unity/C#: dynamic piece spawning, hold queue, tactile particle effects.

Unity C# Mobile Game Design

Education

Bachelor of Engineering

ESPRIT — Tunis, Tunisia

Sep 2020 – Jun 2025

Web & Internet Technology · EQF 7 (Master's equiv.)

Key Projects

AI Healthcare Platform

AI symptom-analysis assistant — CRISP-DM research, T5 fine-tuning, Flask + RAG, React UI, full DevOps pipeline.

React Flask Hugging Face Docker

Collaborative Doc Platform

Notion-style real-time editor — live cursors, WebSocket presence, version history, granular permissions.

React NestJS WebSockets Jest

Certifications

RAG Apps with MongoDB MongoDB

Hashgraph Developer Hedera

CS107: C++ Programming Saylor

BCdiploma Credential BCdiploma