🚀 Startup & SaaS · 📍 Lyon

Web Developer for Startups & SaaS in Lyon

Xavier Kain accelerates startups and SaaS publishers in Lyon — France's second-largest economic metropolis, with a thriving tech, biotech and gastronomy scene — a market that rewards quality and substance. Working with startups means moving fast, iterating and measuring: the right technical choices from day one can save months of technical debt.

Get a free quote Startup & SaaS services →
200+
Projects delivered
42
5★ reviews
100%
Satisfaction
<24h
Response time

💡 Startup & SaaS in Lyon — En bref

  • Délais : De quelques jours à 3-4 semaines selon la complexité
  • 🔧 Stack : Next.js, TypeScript, Tailwind, Supabase, Stripe Billing
  • 🌍 Zone : Lyon et toute la France — 100% remote possible
  • 📬 Devis : Gratuit, réponse sous 24h — Contactez-moi →
Xavier Kain — Web Developer Startup & SaaS
Xavier Kain
Web Developer

Startup & SaaS expert in Lyon

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 Lyon

🚀

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.

What clients say

★★★★★

“Beyond his mastery of the tools, Xavier was creative, available, pedagogical and full of ideas — throughout the entire project.”

CP
Carole-Anne Pelletier Google review
★★★★★

“We hired Xavier to rebuild our website with an integrated e-commerce module. His thoroughness, availability and creative input were key to the success of our project. Highly recommended!”

NR
Nicolas RAMON Google review
★★★★★

“Xavier built the EduCompétences website with outstanding professionalism. He immediately grasped the spirit of the project and knew exactly how to showcase our services.”

SD
Sonia DRIDI Google review
View all Google reviews →

Frequently asked questions

Do you support early-stage startups in Lyon? +

Yes, I work with startups in Lyon 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 Lyon? +

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 Lyon needs a reliable developer?

Response guaranteed within 24h. Free, no-obligation quote.

Start your project →