Hello, I'm Alexandre Chatelain Web developer Mobile developer

Developer Web & mobile

I'm a web and mobile developer specializing in PHP, Symfony, Flutter, Next.js, and WordPress. I build high-performance, scalable solutions with a focus on user experience and innovation.

+5

Projects
compeleted

3

Years
of experience

Technical skills

Technologies

PHP

80%

Flutter

75%

Next js

75%

Symfony

95%

Tool skills

Toolbox

Docker

75%
JIRA

65%
GitLab

90%
ChatGPT

80%
PHP Storm

100%
Firebase

85%
Notion

100%
Visual Studio Code

100%
Discord

100%
Teams

100%
Slack

80%
API

90%

General skills

Database

Firebase

100%
MariaDB

100%
SQL

75%

Langues

English (conversational)

70%
French

100%

Conceptes

Agile, Scrum
SEO
Driver licence
Javascript
WordPress
CI/CD
Responsive design
Shopify

SERVICES

What services do I offer?

🖥️ Web

Web development

Websites and web applications customized to your company's needs.

WordPress (WooCommerce) showcase and e-commerce site
Next.js showcase site
Custom web development (Symfony, API, etc.)
Technical overhaul / migration (WordPress, Symfony...)

🧠 Project management and consulting

Digital project management

Technical advice and business support for freelancers and agencies.

Stack Architecture Consulting
Monthly WordPress maintenance
Support technique à la demande (correction de bugs, débogage)
Advanced maintenance (Symfony, Flutter)

📱 Mobile

Mobile Application

Modern, efficient mobile applications with in-store deployment support.

Simple MVP mobile application (iOS + Android)
Advanced mobile application (complex functionalities)
PWA / App responsive with Flutter Web or Next.js

🎓 Formations

Workshops and training

Tailor-made training sessions for customers and freelancers.

WordPress training for customers

Quick start

🚀 Start my project

Web

Online store

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Customized online store, fully optimized for mobile devices
WordPress + WooCommerce
Modern, user-friendly design (UI/UX) for fluid navigation
SEO optimization to boost your visibility on Google

Consulting

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Technical and architectural consulting - One-hour personalized session

Rapid audit and customized recommendations (scalability, performance, security, etc.)
Advice on choosing the right technology stack for your web or mobile project
Advice on architecture design (back-end, front-end, database, hosting, etc.)
Optimization of development processes (CI/CD, testing, best practices)

Web

Professional showcase site

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Professional showcase website, fully responsive on all devices

Easy-to-manage 5-page custom WordPress website
Clean design and optimized user experience (UI/UX)
Responsive layout, perfectly adapted to mobile and tablet screens
Basic SEO optimization for Google visibility

Mobile

MVP mobile application - iOS and Android

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Simple mobile MVP development - iOS & Android

Cross-platform mobile application (iOS + Android) built with Flutter
Basic features only, designed to quickly test and validate your idea
Delivery of a working prototype, ready for presentation to users or investors
The service applies to a simple MVP, based on clearly defined requirements and scope.

Custom

💡 Do you have a personalized project in mind? Let's talk about it.

Do you have a unique idea or specific requirements?
I offer tailor-made solutions for web, mobile and technical consulting.

👉 Let's get in touch and bring your project to life.

Resume

Professional experience and training

2022 - 2025

Freelancer

Web and mobile developer

I developed high-performance web and mobile applications with Agile workflows, using Flutter for cross-platform development and PHP/Symfony for web maintenance. I collaborated with creative and technical teams to improve the user experience.

2022 - 2024

Kogaia

Web and mobile developer

I developed event-driven websites with Symfony/PHP and Vue.js, implementing Agile methodologies for project management. I also developed in-house event management applications with features such as QR code scanning and push notifications.

2021 - 2022

Ubisport

Internship Full Stack Developer

I developed and launched three web applications, including a valuable PWA, and built custom tools to optimize sports facility management. This experience enabled me to improve my skills in comprehensive development and my expertise in Agile methodologies.

Educations

🎓Bachelor of Information Technology (Spécialisation en développement mobile)

2021 - 2022

🎓Bachelor of Information Technology (Specialization in mobile development)

University of La Rochelle, France

🎓 Diplôme universitaire de technologie (DUT) en informatique

2019 - 2021

🎓 Diplôme universitaire de technologie (DUT) in computer science

University of La Rochelle, France

2018 - 2019

Baccalauréat scientifique - Industrial technology and sustainable development

Blaye, France

2019

Aeronautical Knowledge Certificate (BIA)

Blaye, France

Testimonials

Here's what my customers say

Excellent collaboration with Alexandre on a global 360 Back/Front development for a mobile application with a powerful pro/admin backoffice. Alexandre gives 100% to customer satisfaction and the quality of the final product. We look forward to working with him again on future projects.

Boris Lamarque

CEO, E-conit

I've worked with Alexandre on several mobile application projects. I highly recommend his rigorous, technical and autonomous work. We were able to carry out the various mobile application projects as a team, and Alexandre proved to be very efficient in their development and collaborative work.