🚀 Startup & SaaS · 📍 Lille
Web Developer for Startups & SaaS in Lille
Xavier Kain accelerates startups and SaaS publishers in Lille — a northern French metropolis at the crossroads of Paris, London and Brussels, known for its entrepreneurial spirit and student energy. Working with startups means moving fast, iterating and measuring: the right technical choices from day one can save months of technical debt.
💡 Startup & SaaS in Lille — En bref
- ⏱ Délais : De quelques jours à 3-4 semaines selon la complexité
- 🔧 Stack : Next.js, TypeScript, Tailwind, Supabase, Stripe Billing
- 🌍 Zone : Lille et toute la France — 100% remote possible
- 📬 Devis : Gratuit, réponse sous 24h — Contactez-moi →
Startup & SaaS expert in Lille
Wizaplace, YesPark, Homagames, Safety Line: I regularly work with startups and SaaS publishers that need high-converting landing pages, custom back-offices or complex API integrations. Startups have specific constraints: move fast, iterate, measure.
Dual Engineer + Marketing background (HEC Paris), 200+ projects delivered for SMEs, startups and large corporations. My approach: tailor-made solutions adapted to your sector and your clients.
Startup & SaaS services in Lille
SaaS landing page
Acquisition, product messaging, onboarding and conversion. Pages that turn visitors into customers.
API integrations
Connecting your existing tools: Stripe, Intercom, HubSpot, Slack, Zapier and many more.
Analytics & tracking
Conversion funnel, custom events, A/B testing and reporting to iterate faster.
Custom back-office
Admin dashboard, user management, permissions and business-specific dashboards.
Projects — Startup & SaaS
Real-world projects for Startup & SaaS sector clients.
What clients say
“Thank you Xavier for the quality of your work and your speed of execution! A real pleasure to work with.”
“I recommend Xavier Kain who developed our WordPress website. He made excellent suggestions regarding the site design and brought real added value throughout.”
“Xavier was very available and responsive, with an excellent understanding of our digital tool requirements.”
Frequently asked questions
Do you support early-stage startups in Lille? +
Yes, I work with startups in Lille from the MVP landing page to custom back-office. The goal: ship fast, measure, iterate. Response guaranteed within 24h.
What does a SaaS landing page cost in Lille? +
A conversion-optimised SaaS landing page is typically delivered for €800–€2,500 depending on complexity (animations, integrations, A/B testing). I also offer all-in-one packages with analytics and performance monitoring.
Your startup in Lille needs a reliable developer?
Response guaranteed within 24h. Free, no-obligation quote.
Start your project →