Clear frontends that convert and guide users. Mathieu42 builds interfaces customers understand—and a front codebase your team can evolve without friction.
Over ten years of full-stack engineering shipped to production for startups and product teams — marketing sites, e-commerce, business apps, and API integrations.
Professional liability insurance covering the assignment and deliverables. Certificate included with the quote — a secure, transparent framework for working with your business.
On-site around Perpignan and across Pyrénées-Orientales (66). Remote engagements across France and internationally — same scoping, follow-up, and delivery standards.
Polished UI, handled loading/error states, baseline a11y, and components coherent with your design system (even a light one).
Priority on journeys that earn (signup, checkout, customer area), then polish and UI debt — always validated on the product.
From the initial call to production—same method for a website, an audit, or an MVP.
You share context, goals, and constraints. I recommend the right solution (website, audit, MVP, maintenance…) with no obligation.
Written scope, recommended stack, milestones, and an indicative range or fixed fee. Free quote with no obligation—you approve before the first billable day.
Repo/tool access, shared plan, and a first visible milestone—no radio silence.
Web, software & SaaS, AI, and mobile. Open the expertise that matches your project, then I scope the next step with you.
Conversion-focused sites, web apps, and e-commerce — shipped with performance and SEO foundations.
from €750 ex VAT
From MVP to a reliable platform: API-first delivery and maintainable full-stack execution.
from €1,750 ex VAT
Pragmatic AI features and automation wired into your product — not demos for demos’ sake.
from €750 ex VAT
Cross-platform mobile apps with a solid backend, clear scope, and production-ready quality gates.
from €1,500 ex VAT
