Freelancer profile translated to English.
Back to original languageAbout Alexandre
Full-Stack Web Developer – SaaS, PWA, PHP, JavaScript
Web developer **passionate with over 22 years of experience**, I support companies, startups, and freelancers in the **design and development of modern websites, SaaS platforms, and web applications**.
Throughout my career, I have developed numerous projects ranging fromprofessional showcase websitesto **complex web platforms**, notably as head of the IT department (CIO) for several projects and structures, including **Dépil Tech**, **Undergroundtekno**, and **Créer Application**.
Technical Expertise
I primarily develophigh-performance and scalable web applicationsusing a robust stack:
- PHP / CodeIgniter
- JavaScript / jQuery
- HTML5 / CSS3
- Material Design for Bootstrap
- Progressive Web Apps (PWA)
- APIs and SaaS integrations
- Stripe payments and subscriptions
This methodology allows me to create **dynamic, fast websites that can be installed on mobile devices thanks to PWA technologies**, offering an experience close to a native application.
Types of Projects Completed
- Professional websites and showcase websites
- SaaS platforms
- Business web applications
- Progressive Web Apps (PWA)
- Administration interfaces
- Integration of graphic designs and UI/UX optimization
- Integration of online payments and subscriptions
My Working Method
Curious, autonomous, and persistent, I place great importance on:
- Code quality
- Application performance
- Security
- And ease of use for the end-user
Other Passion
Passionate about science, I also dedicate part of my free time to **astronomy and astrophotography**, a discipline that requires the same technical rigor and attention to detail as development.
Have a web project, application, or SaaS platform to develop?
Don't hesitate to contact me, I'll be delighted to discuss it with you.
English
Conversational
French
Native or bilingual
Remote only
Primarily works remotely
Experience
- Astro PoloFull-stack web developerENTERTAINMENT AND LEISUREMarch 2025 - Today (1 year and 5 months)Montpellier, France
Design and development of the Astro Polo website
Creation of a professional showcase website dedicated to presenting astronomy activities and generating leads.The project was developed on adedicated infrastructure**, using the **SaaS Créer Applicationsolution, which allows for the creation of modern and scalable web applications.Project Objectives
- Create ahigh-performance and professional showcase website
- Highlightastronomy animation services
- Generateleads via contact forms
- Provide amodern and mobile-first user experience
Technical Development
The website was designed as a **Progressive Web App (PWA)**, allowing users to install it directly on their smartphone or computer, offering an experience close to a native application.Key features developed:*Installable PWA(mobile and desktop)*Mobile-firstoptimization*Lead generation forms- Performance and SEO optimization
Astronomical Calculations
To enrich the scientific content of the site, some features rely onNode.jsand the use of specialized libraries for performing various astronomical calculations (celestial positions, observation data, etc.).Technologies Used
- Node.js
- JavaScript
- Progressive Web App (PWA)
- HTML5 / CSS3
- SEO and web performance optimization
This project demonstrates my ability to develop modern showcase websites combining advanced web technology and marketing objectives, to help businesses generate qualified leads through their online presence. - Créer ApplicationFull-stack web developerSOFTWARE PUBLISHINGMay 2021 - Today (5 years and 2 months)Montpellier, France
JavaScript Full-Stack Developer – Créer Application SaaS Solution
As part of my work at **Créer Application**, I design and maintain a **SaaS platform for creating web and mobile applications**, enabling businesses to quickly generate professional applications.My responsibilities cover the entire development cycle: design, development, security, optimization, and maintenance.SaaS Platform Development
Design and development of asecure administration interfacewith access management, advanced protection, and integration withCloudflare(WAF, security, performance).Development of anapplication managerallowing clients to configure, customize, and manage their applications from a centralized interface.Creation of themarketing and customer acquisition front-officeoptimized for conversion (landing pages, lead forms, signup funnel).Payments and Subscriptions
Integration and maintenance of theStripe checkoutwith management of **recurring subscriptions**, automated billing, webhooks, and payment event management.Optimization of the payment process to improve conversion and transaction reliability.Modern Web Applications
Development of aProgressive Web App (PWA)in SaaS mode, allowing the transformation of a website into an **installable application on mobile and desktop**.Implementation of modern technologies: **Service Workers, offline cache, Web App Manifest, notifications, and performance optimization**.Technologies Used
- JavaScript
- PHP
- REST API
- SaaS architecture
- Stripe,
- Cloudflare
- Progressive Web Apps (PWA)
- Web optimization, application security.
This experience enables me to supportSaaS, web platforms, business applications, and PWA solutionswith a strong focus on **performance, security, and scalability**. - CrewoWeb developerDIGITAL AND ITJanuary 2012 - Today (14 years and 7 months)Montpellier, FranceThis PWA website is managed on the Créer Application platform as a SaaS solution- Graphic design implementation- HTML5 web integration- Updates- Website maintenance- Google AnalyticsThe following modules were implemented for the client's needs:- E-commerce- Blog- Sliders- Forms- Photo gallery
Reviews
Recommendations
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GC
+7
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Education
- Online, self-taught!Home