Fullstack

Fullstack is a Paris-based digital agency founded in 2014 that designs and builds websites, web platforms, mobile apps and AI-powered products. We bring strategy, UX/UI design and engineering together in one team to take products from idea to production and beyond.

What we do

• Web development: corporate websites, e-commerce, SaaS platforms and business web apps (React, Next.js, Node.js, Symfony, Laravel, headless CMS)
• Mobile apps: native iOS (Swift) and cross-platform apps (React Native, Flutter)
• UX/UI design: user research, prototyping, design systems and product redesigns
• AI solutions: AI agents, chatbots and automations built into your tools through Merlin, our AI studio
• Digital strategy, branding and SEO

Selected work

Multichannel ticketing for the Disneyland Paris Magic Run Weekend (+20% attendance, +50% average basket), an internal mobility SaaS with smart matching for EDF, the Click & Sell front-office for Amadeus travel agents, and an interactive iPad experience for Sanofi at COP21. Clients also include Havas, Covéa, Comexposium, Stéphane Plaza Immobilier and Adisseo.

Why Fullstack

A senior team, an agile delivery process with clear milestones, and a long-term partnership approach: we stay on board after launch for maintenance, evolutions and growth.