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Available worldwide

Projects that turn ideas into profitable businesses

Mobile apps, AI web apps, high‑performance websites. See how I help founders, SMBs and agencies bring their vision to life.

Case studies (4 featured projects)

French MarTech startup
2024–2025

Autonom-ia.fr

SaaS platform that automates marketing with generative AI

Next.js
TypeScript
Tailwind
Supabase
Stripe
OpenAI
RAG
4 500€ / mois
MRR (month 4)
28%
Trial → paid
Visit WebsiteI want this

The Challenge

Reduce 10–15h/week of content creation for SMBs, ship fast (≤3 months), stay GDPR-compliant, and keep AI costs under control while scaling.

The Solution

Secure multi-tenant architecture (RLS), optimized AI generation (prompts + RAG), analytics, and Stripe billing — wrapped in a no-code friendly UX.

  • Multi-format generation (social, email, SEO blog, video scripts)
  • Brand personalization (guidelines, tone, keywords, examples)
  • Planning & exports (editorial calendar, integrations)
  • Analytics (time saved, ROI, reports)
"“Autonom-ia saves us ~12 hours/week. The content quality is strong and needs minimal edits. ROI is clearly positive.”"
— Sarah L., Marketing Agency CEO
Wellness founder (France)
2023–2024

Urban-Shaman

A guided meditation app designed for busy city people

React Native
Expo
TypeScript
Supabase
Stripe
RevenueCat
Push notifications
2 000+
Installs (6 months)
18%
Free → paid conversion
I want this

The Challenge

Stand out in a saturated market, ship in 2 months on a tight budget (single codebase), and guarantee smooth audio + offline UX.

The Solution

Expo React Native + Supabase (Auth/DB/Storage) with Stripe/RevenueCat monetization, built with an offline-first approach.

  • 80+ sessions, categories + pro voice-over
  • Personalized journeys (onboarding + recommendations)
  • Tracking & gamification (streaks, badges, charts)
  • Offline mode (downloads + sync)
"“Thibaut turned my concept into a pro app in 2 months. Users love it, and I’m already generating ~€1.8k/month.”"
— Julien R., Founder of Urban‑Shaman
B2B services SMB (~100 employees)
2024–2025

AskMarcel.app

AI chatbot + voice agent to automate customer support

Next.js
TypeScript
RAG
Vector DB
Claude API
Twilio
ElevenLabs
Deepgram
-60%
Human tickets
8s (vs 36h)
Response time
I want this

The Challenge

Respond fast without hallucinations: accuracy + mandatory citations, professional tone, and multi-channel delivery (web + WhatsApp + phone).

The Solution

A RAG pipeline (indexing + chunking) with guardrails, a supervision UI, and smart escalation (sentiment/urgency) with team notifications.

  • Sourced answers (precise citations)
  • Escalation with context + Slack notifications
  • Voice agent (STT/TTS) + call transfer
  • Analytics: resolution, top questions, satisfaction
"“AskMarcel transformed our support. Instant 24/7 responses with accuracy. Best investment.”"
— Pierre M., Ops Director
Heating contractor (Paris area)
2023–2024

Super-Flamme.fr

High-performance website + headless e-commerce + local SEO

Next.js
TypeScript
Tailwind
Shopify Headless
Structured data
SEO
Analytics
+180% (6 mois)
Organic traffic
98/100
Lighthouse
Visit WebsiteI want this

The Challenge

Old WordPress (8s), invisible SEO (page 5), outdated design. Target: <1s speed, local SEO, and e-commerce revenue.

The Solution

Next.js (SSG/ISR), Core Web Vitals optimization, Schema.org structured data, headless Shopify shop, and a clear conversion funnel.

  • Service pages + quote request forms
  • 200+ product shop with filters
  • Technical SEO + internal linking
  • Tracking + continuous improvement
"“We reached page 1 on Google, doubled calls, and now make €3–4k/month from the shop. Well worth it.”"
— François D., Owner of Super‑Flamme

Other work

Quick snapshots of additional projects (web, mobile, AI, dashboards).

WEB

MediConnect

Telemedicine platform with secure video consultations (GDPR-ready).

Next.jsWebRTCSecurity+1
WEB

EduFlow

E-learning LMS: payments, certificates, and content management.

Next.jsSupabaseStripe
MOBILE

HomeLink

Real estate marketplace: mobile + web app, maps and advanced search.

React NativeNext.jsMapbox
MOBILE

QuickOrder

Restaurant ordering system: app + back office + receipt printer integration.

React NativeSupabaseThermal Printer API
WEB

DataViz Pro

Real-time analytics dashboard for SMBs (KPIs, cohorts, exports).

Next.jsD3.jsPostgreSQL
AI

BeatMaker AI

AI music generator: track creation, presets, and library.

Next.jsAI audioSupabase

Will your project be next?

Every project starts with a simple conversation. No jargon, no inflated quotes — just an honest talk about what you actually need.

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