Service
Custom web application
I build custom web applications — business tools, installable PWAs, dashboards and interactive interfaces — with React, Angular, Laravel and Symfony, designed around how you actually work.
All servicesA custom web application starts where off-the-shelf tools stop. When you have real logic to handle — users who log in, data to manage, roles that differ from one profile to the next, actions that trigger other actions — a template no longer fits. I build the tool that matches exactly how you work, rather than bending your process to fit software someone else designed for a different problem.
Concretely, that covers a lot of ground: a business app that replaces a spreadsheet grown unmanageable, a dashboard that gathers your figures in one place, an installable PWA your team opens like a native app, an interface that reacts live as the user types or clicks. I've built quiz apps, time-tracking dashboards and PWAs end to end, so I know the path from idea to something people actually use every day.
What sets a real application apart is the logic underneath. Accounts and permissions, business rules that must never be wrong, data that flows in from other tools through their APIs, exports and reports. I design that backbone first, because a shaky foundation is expensive to fix months later. The interface is what you see, but the structure beneath it is what makes the tool reliable and able to grow with you.
I handle the application end to end, not just a disconnected front end someone else has to wire up afterwards. That means the interface, the logic behind it, the data model, and the integrations that tie your tools together. You get one contact for the whole build, and a coherent result rather than pieces glued back on at the end.
I deliver feature by feature rather than as one opaque block at the very end. You watch the application take shape screen by screen, react early, and we adjust while it's still cheap to do so. Below is what a typical engagement covers, scoped to your real priorities rather than a wish list.
- Custom interface in React or Angular, fast and readable on mobile
- Accounts, roles and permissions tailored to your profiles
- Installable PWA: works offline, opens like a native app
- API integration: payments, CRM, accounting, external services
- Dashboards, exports and reports built around your data
Custom is the right call when your need is specific enough that no ready-made product covers it cleanly. If you're forcing a generic tool to do something it wasn't built for, paying for features you'll never touch, or copying data by hand between two pieces of software, that's usually the signal it's time for an application shaped around your own workflow.
Here are the situations where clients typically come to me. If yours isn't listed but follows the same logic — real data, real rules, real users — it almost certainly fits too. I'll always tell you honestly when a simpler route would serve you better and cost less.
- You're outgrowing a spreadsheet and need a proper tool to manage your activity
- You want an installable app for your team or clients, without the App Store overhead
- You need a dashboard that pulls scattered figures into one clear view
- You have an API or a mobile app that needs a tailored interface to consume it
An application that handles real data deserves to have its reliability and security taken seriously. I validate incoming data, control access by role, and lean on frameworks that protect by default against the most common web vulnerabilities. On the flows that matter — a payment, a sign-up, a calculation that must never be wrong — I write tests, so changing one part of the code later doesn't silently break another.
I also build for the day I'm not the only one looking at it. The code is documented and structured so another developer can pick it up without rediscovering everything, and I keep performance in check so screens stay responsive as data piles up. Working from Martinique, I stay reachable on your time zone, and 30 days of support are included after launch.
“I build applications I'd be comfortable maintaining myself two years from now — structured, tested where it counts, and yours to hand off whenever you need.”
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