Freelancer profile translated to English.
Back to original languageAbout Mathieu
With over 10 years of experience in digital and a Master 2 degree (Bac+5) specializing in digital strategy and technologies, I support companies in the design, development, and optimization of their digital projects.
My approach is 360°: I combine technical expertise, product vision, and marketing performance to create truly effective digital solutions.
I mainly work on three types of missions:
1ïžâŁ Website Development (priority)
Creation of professional, high-performance websites optimized for conversion:
âą Showcase websites
âą E-commerce websites
âą Redesign of existing websites
âą UX/UI and performance optimization
âą CMS integration (WordPress, Shopify, WebflowâŠ)
âą Technical SEO and loading speed
2ïžâŁ Web Application Development
Design of custom tools and interfaces to automate or improve your processes:
âą Web applications
âą Business interfaces
âą Internal tools
âą MVP / digital products
âą APIs and integrations
3ïžâŁ Digital Acquisition & Performance
Optimization of visibility and growth:
âą Complete SEO audit
âą Natural referencing optimization
âą Google Ads / Paid Acquisition
âą Data analysis & conversion optimization
Thanks to my hybrid profile (design, development, and marketing), I don't just create a website or an application: I design tools intended to generate business.
I work with startups, SMEs, and established companies looking to accelerate their digital transformation.
If you are looking for a reliable partner to design a high-performance website, develop an application, or improve your online visibility, let's discuss your project.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km), Paris (up to 80km)
Experience
- Agora
On Malt
Custom Website CreationENTERTAINMENT AND LEISUREMay 2026 - June 2026Paris, FranceđŹ Project TitleCustom booking platform for a Bangkok airport concierge service â Next.js · Stripe · CMSThe ContextI designed and developed the A+2 â Airport Welcome Bangkok booking website from scratch, a premium French-speaking airport welcome service in Bangkok (Suvarnabhumi & Don Mueang). The challenge: transform a concierge business into a true online booking platform, bilingual (FR/EN), with integrated payment and an autonomous back-office for the client.What I DidMulti-step booking flow: automatic flight search, choice of packages and Ă la carte services (with variations), round trip, Google Places addressesSecure online payment via Stripe (Checkout + webhooks, one-click test/production switch)Automatic transactional emails (customer confirmation + multi-recipient concierge notification)Custom CMS (Payload): the client manages prices, services, content, and bookings independentlyBusiness back-office: arrival calendar, CSV export, blocking slots, restricted roles & access for the teamFR/EN internationalization with automatic language detectionPremium design system: visual identity, typography, micro-animationsSEO & GEO: classic referencing + visibility in AI search engines (ChatGPT, Perplexity, AI Overviews) â sitemap, schema.org, llms.txtSecurity: audit + hardening (HTTP headers/CSP, RBAC, exposure reduction)Infrastructure & handover: continuous deployment, versioned migrations, automated backups, client database transferTechnical StackNext.js 16 · React · TypeScript · Payload CMS · PostgreSQL / Supabase · Tailwind CSS · Stripe · Resend · Vercel · next-intlResultA turnkey platform delivered â performant, secure, and autonomous: the client collects online bookings and manages all their content without any technical intervention. - peinture & designWebsite CreationTELECOMMUNICATIONSMay 2026 - June 2026 (1 month)Paris, FranceComplete redesign of a craftsman's showcase website â Painting & DesignProject delivered from A to Z for a painter / renovator / interior designer based in Champs-sur-Marne (77). Mission: replace an obsolete site with a modern, high-performance, and SEO-autonomous conversion tool for local search.Stack and ArchitectureNext.js 16 (App Router) with React 19 and strict TypeScript, styled with Tailwind CSS v4 and a custom design system (custom design tokens, Fraunces + Hanken Grotesk editorial typography). Server Actions for forms, Vercel deployment with GitHub auto-deploy.DesignHigh-end editorial visual identity â navy / terracotta / paper palette, Framer Motion animations respecting prefers-reduced-motion, mobile-first with sticky call-to-action on all pages.Local SEO77 pages generated: 8 services Ă dedicated pages + 52 communes in Ăle-de-France with unique content per town. Complete LocalBusiness JSON-LD (52 areaServed), dynamic sitemap, robots, dynamic Open Graph, canonical www.Paid Acquisition2 Google Ads landing pages (painting / general renovation) with:Isolated architecture (Header/Footer hidden via ConditionalChrome, noindex)Click-to-call CTA in 4 positions with unified trackingUltra-short lead capture form with automatic gclid/UTM capture for offline conversion attributionGoogle Tag Manager deployed on the entire site (standardized dataLayer events)Security / FormsTriple anti-spam layer (honeypot, time-gate, IP rate limit) + email fallback chain (Resend â FormSubmit â mailto). Strict server validation, native CSRF Server Actions.PerformanceMobile Lighthouse: Performance 90 / Accessibility 100 / Best Practices 100 / SEO 100. Optimized LCP (priority hero image, fonts via next/font).IntegrationsCalendly (integrated appointment booking), Vercel Analytics + Speed Insights, Google Tag Manager.Domain: peintureetdesign.com
- Milann | Agence DigitaleFounderDIGITAL AND ITJuly 2019 - Today (7 years and 1 month)Paris, FranceFounder of the agency Milann for over 10 years, I support companies, startups, and freelancers in the design, development, and growth of their digital projects.Over the years, I have developed comprehensive expertise across the entire digital product creation chain: showcase websites, e-commerce platforms, web applications, and custom software. My approach is based on a global vision, combining technical performance, user experience, and business strategy.With Milann, we position ourselves as a 360° agency, capable of intervening at every stage of a project:
- Web development (websites, apps, business tools)
- User-centered UI/UX design
- Acquisition and visibility (SEO, SEA, GEO)
- Growth hacking strategies to accelerate growth
The objective is simple: create effective, scalable, and results-oriented digital solutions.Accustomed to working on diverse projects, I quickly adapt to each client's challenges, with a strong results-driven culture and particular attention to quality and performance.
Reviews
A
Alexandre
DĂ©veloppement site internet - Agora
Reviewed on 6/5/2026
Excellent collaboration with Matthieu on the creation of my website. He perfectly grasped the brand's spirit and translated it with great taste. The design is elegant, the site works impeccably, and the deadlines were met.
Exemplary responsiveness, rigor, attention to detail, and relevant suggestions at every stage. A freelancer with whom it is a pleasure to work.
I recommend 100% and will use his services again without hesitation.
Saly
Saly TIOTE
Reviewed on 5/16/2022
I am very satisfied with the work done by Mathieu.
He analyzed my request and advised me best so that the site would be truly optimized. Furthermore, he was a real link between the different service providers for the implementation of my e-commerce site.
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Education
- Expert in Digital Communication Engineering and ManagementHETIC2021Développement Web UI / UX Design Marketing Digital Stratégie digitale Business Management
Certifications
- Google AnalyticsGoogle2018
- Fundamentals of Digital MarketingGoogle2019