Services
I support you in the design and development of your mobile and web applications
📱
Mobile Development
Design and development of native iOS and Android mobile applications with React Native and Expo. From idea to deployment on stores (App Store and Google Play). High-performance, scalable and high-quality applications.
Project examples
• E-commerce applications
• Social networks and messaging
• Productivity applications
• Health and wellness apps
• Games and entertainment
• Business applications (B2B)
🌐
Web Development
Design and development of websites and web applications with React, Next.js and TypeScript. Landing pages optimized for SEO and conversion.
Technologies
• React, Next.js and TypeScript
• Tailwind CSS and Shadcn/ui
Project examples
• Showcase sites and portfolios
• High-conversion landing pages
• Back-offices and admin dashboards
• Web apps (SaaS)
💻
Desktop Development
Design and development of cross-platform desktop applications (Windows, macOS and Linux) with Electron.js and Node.js.
Technologies
• React and TypeScript
• Electron.js and Node.js
• Tailwind CSS and Shadcn/ui
Project examples
• Internal company tools
• Business software
• Cross-platform applications
💼
Audit & Technical Consulting
Existing code audit, architecture recommendations, technical stack selection, technical team support, code review and mentoring. Customised IT services available on request.
Services
• Performance audit
• Code audit and code review
• Architecture recommendations
• Technical stack selection
• Team support
• Junior developer mentoring
Specific Expertise
💳
In-app payments
Stripe & RevenueCat
🔔
Push Notifications
FCM & Expo Notifications
🔐
Authentication
OAuth & BaaS Auth
💾
Databases
Firestore, Supabase & (No)SQL
📍
Geolocation
Maps & GPS
💬
Real-time
Chat & WebSocket
📸
Media upload
Images & videos
💰
Monetization
Admob & RevenueCat
⚙️
CI/CD
EAS & GitLab/GitHub CI
📊
Analytics
Google Analytics & Amplitude
🎨
Animations
Reanimated & Skia
🔧
Performance
Optimization & monitoring
Who are these services for?
🚀
Startups & Entrepreneurs
You have a mobile or web application idea and need an expert to make it a reality. You want an MVP quickly to test your market.
🏢
Small & Medium Businesses
You want to digitalize your services with a mobile application, a website or strengthen your team with an experienced developer.
🤝
Agencies & Companies
You are looking for deep expertise in React Native & Expo or a trusted freelance developer who is an expert in their field for your client projects.
Collaboration Modes
📦
Turnkey Project
• Fixed price or defined budget
• I handle the entire project
• Complete delivery, from design to deployment
• Ideal for: MVP, defined project, fixed budget or trial mission
⏱️
Contract & Long-term Mission
• Hourly or daily billing
• Integration into your team
• Flexible on duration and scope
• Ideal for: Team reinforcement, evolving project or long-term
🔎
Ad-hoc Support
• Code audit & Technical consulting
• Training & Mentoring
• Technical support
• Ideal for: Audit, specific issue or team skill development
📄
Pricing & Quotes
I do not publicly communicate my rates because each project is unique and deserves a personalized estimate tailored to your needs, budget and timeline. Contact me to receive a customized quote free of charge.
What my clients say
Charly Berthet
BerthX - Fasting Tracker : Jeûne long
⭐⭐⭐⭐⭐
“Great work! The quality of the code delivered is very impressive, Maximilien immediately understood the need and got straight to the point. Efficient, enthusiastic and attentive, we will use his services again. Thank you!”
Jean-Baptiste Ostorero
SAS Together - Grooop
⭐⭐⭐⭐⭐
“Maximilien understood our needs and delivered high-quality work for our mobile application. He is an expert in his field and it's very reassuring to work with someone as dedicated and competent as him!”
Benjamin Daudignac
Macadam Technologies, SL - Macadam
⭐⭐⭐⭐⭐
“Maximilien is an excellent developer. He quickly understood our needs and met our expectations. I recommend!”
Fabien Souillard
Timescope
⭐⭐⭐⭐⭐
“I am extremely satisfied with the collaboration with Maximilien for updating our application. I highly recommend Maximilien to anyone looking for a competent and reliable professional. Thank you again for your excellent work!”
Baptiste Moulin
Arterum
⭐⭐⭐⭐⭐
“Maximilien was responsive and very professional in his project management. Both at the start and in after-sales service. I recommend without hesitation.”
Laurent Beauvisage
(nineteen)² - Digital Test Center
⭐⭐⭐⭐⭐
“We worked with Maximilien on an Expo version upgrade for our app. He was very quickly operational on the project. The work delivered was quality and his support was excellent. I recommend Maximilien.”
Lamine Khoulalene
L'Etudiant
⭐⭐⭐⭐⭐
“We had an urgent need to upgrade our 15 mobile applications under the Expo framework. Maximilien took on the subject with responsibility and rigor, getting straight to the point very quickly. We will use his services again.”
Luc Nougier
Lapsus - Nox
⭐⭐⭐⭐⭐
“Thanks to his professionalism and rigor, Maximilien very quickly proved to be of great value to our development. We highly recommend Maximilien and hope to continue benefiting from his expertise.”
Jean-Étienne Durand
Troops
⭐⭐⭐⭐⭐
“Maximilien was the lead developer for several React Native mobile apps. He was able to combine leadership and rigor while fitting into a team of about ten developers. I hope to have the chance to collaborate with him again.”
Émilie Le Goff
Troops
⭐⭐⭐⭐⭐
“Maximilien committed to the various Troops applications with seriousness while using the latest technological standards. Motivated and relevant, he represented a considerable asset in the project's success. Recommended profile!”