01
Tariff8AI - AI-Powered Customs Classification
No more manual customs code lookup. AI finds the right code in seconds.
ImpactClassification reduced from hours to seconds
PythonFastAPILlamaIndex+2
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Hi, I'm Guillaume
I Build Scalable Backend Systems & AI-Powered Solutions
Former Business Analyst at Airbus and Proximus, I understand your business challenges and translate them into performant APIs, AI solutions, and automated workflows.
Stack:Python/FastAPI/LLM/RAG/PostgreSQL/Automation
01
15+
Years
Engineering Experience
02
5+
Industries
Finance | Healthcare | Logistics | Telecom | Aeronautics
03
20+
Projects
In Production
Services
What I Do
01
Custom Web Applications
Your showcase site, SaaS, or marketplace — from idea to deployment. Fast sites that convert (Core Web Vitals > 90), intuitive interfaces, and SEO-optimized to be found by your customers.
02
APIs & Backend Systems
The invisible engine of your business. Robust APIs that connect your tools, databases that handle the load, and systems that run 24/7 without intervention.
03
Practical AI Solutions
AI that serves your business, not the other way around. Automatic document classification, intelligent search through your data, chatbots that truly understand your customers.
04
Process Automation
No more copy-paste and repetitive tasks. Your tools talk to each other, your data syncs automatically, your team focuses on what really matters.
Portfolio
View allFeatured Projects
02
Trikkos - Health Marketplace
A health marketplace that loads fast, converts better, and costs less to host.
Impact+30% organic traffic, -80% hosting costs, pages in <1.5s
AstroVue.jsSupabase+2
Live Demo03
Workflow Automation
No more repetitive manual tasks. Your tools communicate automatically.
Impact75% cost savings, real-time processing
PythonFastAPIRedis+2
Let's talk
Got a project in mind?
Web application, automation, or AI integration — let's discuss how I can help.
Book a Discovery Call