🚀 Startup & SaaS · 📍 Paris
Web Developer for Startups & SaaS in Paris
Xavier Kain accelerates startups and SaaS publishers in Paris — the French capital, a dynamic hub of business, culture and innovation where ambitious clients expect world-class digital solutions. 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 Paris — En bref
- ⏱ Délais : De quelques jours à 3-4 semaines selon la complexité
- 🔧 Stack : Next.js, TypeScript, Tailwind, Supabase, Stripe Billing
- 🌍 Zone : Paris et toute la France — 100% remote possible
- 📬 Devis : Gratuit, réponse sous 24h — Contactez-moi →
Startup & SaaS expert in Paris
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 Paris
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
“Xavier was very available and responsive, with an excellent understanding of our digital tool requirements.”
“Beyond his mastery of the tools, Xavier was creative, available, pedagogical and full of ideas — throughout the entire project.”
“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!”
Frequently asked questions
Do you support early-stage startups in Paris? +
Yes, I work with startups in Paris 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 Paris? +
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 Paris needs a reliable developer?
Response guaranteed within 24h. Free, no-obligation quote.
Start your project →