Photo of Mathys LEONI

Languages

🇫🇷

French

Native Language

🇬🇧

English

Upper Intermediate (B2)

🇪🇸

Spanish

Upper Intermediate (B2)

Constantly learning, I develop projects that reflect my curiosity and rigor.

Passionate about the digital world, I thrive particularly in managing complex projects where strategic thinking, team coordination, and implementing effective solutions are at the core of the work. With a background in web development, I combine technical understanding with a global vision to transform ideas into concrete, high-performance projects.

My Skills

Technologies

HTML5

CSS3

JavaScript

Node.js

PHP

SQL

Git

Python

UML

C#

XAML

.NET

Soft Skills

Highly creative and able to think outside the box

Naturally curious and eager to learn new technologies

Strong team player with a collaborative mindset

Respectful and professional in all interactions

Reliable and always punctual

Experiences

2025

Collaborative Web Project

IUT Annecy - Full Stack Development

Design and development of a web application in a team. Setup of an SQL database, backend development in PHP, and frontend with HTML/CSS/JavaScript. Learning collaborative work with Git.

PHP JavaScript SQL HTML/CSS Collaboration
2024 - 2025

Loxam Management App

University Project - Teamwork

Development of a stock and rental management application in C# with a XAML interface. Project management using agile methodology with team coordination and Git for versioning.

C# .NET XAML Teamwork Git
2024 - 2025

L’Érablière, Lefebvre & Fils, Trois-Rivières

Sales Assistant

Assisted customers with product selection and provided excellent customer service.
Managed sales transactions and handled cash register operations.
Maintained a clean and organized sales area during the event.

Customer Service Sales Cash Register Event Work
2025

Phaser Game Development

Group Project - JavaScript Framework

Creation of a platform game using the Phaser framework in a team. Task distribution, gameplay design, asset integration, and collision management. First experience with group game development.

JavaScript Phaser Game Design Project Management
2025

Python Project - Algorithmics

Collective Work - Problem Solving

Development of algorithms in Python. Complexity analysis, code optimization, and implementation of unit tests. Learning best programming practices. Additionally, I independently developed a trading application achieving a 50% success rate.

Python Algorithmics Tests Optimization
2024

UML Modeling & Database

Academic Project - System Design

Teamwork on the modeling of a complete information system. Creation of UML diagrams (use case, class, sequence) and design of a normalized relational database.

UML SQL Design Modeling

My Projects

C# Application Preview

Application (C#)

March 2025

Stock and rental management application developed as part of a fictitious university project revolving around the company Loxam (first year university project).

C# .NET XAML Git
Web Project Preview

Collaborative Web Project

October 2025

Complete web application with an SQL database, PHP backend development, and HTML/CSS/JavaScript frontend using the laravel framework.

PHP JavaScript HTML CSS SQL
Phaser Game Preview

Phaser Game

October 2025

A small game designed as a first introduction to the Phaser framework.

JavaScript Phaser Game Design
Enigma Project Preview

Enigma

November 2025

An educational website offering interactive riddles to introduce users to computer science in a fun and progressive way.

HTML CSS JavaScript
Portfolio

Portfolio

November 2025

My personal portfolio developed with HTML, CSS, and JavaScript to showcase my skills and projects.

HTML CSS JavaScript

References

Stéphanie Vibrac

English Lecturer, International Coordinator / IUT Annecy

Pascal Colin

UML and SQL teacher
/ IUT Annecy

Contact

A question or an opportunity? Feel free to reach out!