PhantomDev is a custom web development agency based in France. Specialised in Next.js, React and Node.js, it creates websites, e-commerce and SaaS applications with premium interfaces, optimised performance (Lighthouse 90+) and fast delivery.

What are the delivery times?

A simple landing page can be delivered in 48 hours. For more complex projects (e-commerce, custom applications), timelines are adapted to the scope. A schedule is agreed once the quote is approved.

What services does PhantomDev offer?

PhantomDev offers 14+ services: showcase and landing pages, e-commerce, custom apps and SaaS, SEO and performance, AI integration and automation, APIs, Next.js redesigns, technical consulting and maintenance. See phantomdev.fr/services.

How much does a website cost with PhantomDev?

Every project gets a bespoke quote within 24h, no commitment. Simple showcase sites can go live quickly (48h depending on scope); e-commerce, SaaS and AI work are priced by complexity. Contact via WhatsApp at phantomdev.fr/contact.

What tech stack does PhantomDev use?

PhantomDev mainly builds with Next.js, React, TypeScript and Tailwind CSS, deployed on Vercel or static hosting. Lighthouse 90+ is guaranteed on delivered sites.

How to contact PhantomDev for a quote?

Contact PhantomDev via WhatsApp for a free quote within 24h, no commitment. The phantomdev.fr site offers direct access to WhatsApp from the homepage and Contact page.

Does PhantomDev work internationally?

Yes. PhantomDev is based in France but operates internationally. Maintenance contracts are guaranteed.

What performance guarantee does PhantomDev offer?

PhantomDev guarantees a Lighthouse score of 90+ on all delivered sites, ensuring optimised performance and excellent user experience.

Custom web development — Next.js, SaaS & premium e-commerce

Proof, not promises

Online booking · fewer calls
+25% bookings
Quote within 24h

Garages, trades, beauty, transport — automation, time saved and local CRM for SMEs. Sites that fill your calendar.

Expertise

Next.js, React, TypeScript — premium web architecture and interfaces that convert. From landing pages to SaaS apps, a modern stack built for growth.

Premium Web Design

Bespoke design, UX crafted to captivate and convert. A first impression that lasts.

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Custom Applications

E-commerce, SaaS, business platforms — solid architecture to scale with confidence.

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SEO program & visibility

Google visibility, qualified traffic: be found by people searching for exactly what you offer.

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Strategic AI Integration

Chatbots, recommendations, automation — AI serving your processes, not as a gimmick.

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— From clean code to experiences that make people want to buy —

Portfolio

Projects where engineering fades behind emotion — and measurable results.

Frequently asked questions

: PhantomDev is a custom web development agency based in France. Specialised in Next.js, React and Node.js, it creates websites, e-commerce and SaaS applications with premium interfaces, optimised performance (Lighthouse 90+) and fast delivery.

How it works

The Brief
A 15-minute WhatsApp chat or call to align on your conversion goals.
Design & Wireframe
A bespoke, elegant interface designed to match your brand.
Code & Deployment
SEO-ready Next.js build, fast delivery, and a secure go-live.

Contact

Got a project close to your heart? Let's talk on WhatsApp — free quote within 24h, no commitment, just a clear vision of what your site can become.

Lighthouse 90+ guaranteed · Landing page in 48h · A human reply, not a buried form

Contacter sur WhatsApp

Response within 24h · Landing page deliverable in 48h · No commitment