01
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
Senior BA who also ships.
From rigorous requirements to working product. No handoff. I have 15+ years in complex, regulated environments, including Airbus, Alstom, and Proximus. I shape the requirements rigorously and build the solution myself.
Stack:Python/TypeScript/FastAPI/AI/LLM/Automation
01
15+
Years
Across engineering, product & business
02
5+
Industries
Telecom | Aerospace | Railway | Payments | Digital Products
03
20+
Projects
Production systems shipped
Services
How I Help
01
Requirements & Delivery in Complex Environments
I step into projects where the domain is demanding, the need is still unclear, and rigorous cadrage matters as much as delivery.
02
Backend Systems & Integrations
Python/FastAPI APIs, multi-source integrations, and event-driven architectures designed to be reliable, maintainable, and documented from the start.
03
AI-Enabled Workflows
Applied AI where it creates measurable value: classification, semantic search, document extraction, and production-ready decision support.
04
Process Automation
Replacing fragile batch workflows with event-driven automation and orchestration chosen for the business need, not for the stack alone.
Selected Work
View allFeatured Projects
02
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
03
No more repetitive manual tasks. Your tools communicate automatically.
Impact75% cost savings, real-time processing
PythonFastAPIRedis+2