Online presence
Fast, SEO-optimized websites, automated content and visibility. Get found by your future customers.
Data & AI Engineer
Put your data and tools to work for you.
I help businesses strengthen their online presence, automate repetitive tasks and leverage their data securely — so you save time and attract more customers.
- 10+
- projects shipped
- 3
- areas: web, automation, data
- 100%
- custom & secure
What I do
Three ways to grow your business
Concrete solutions, tailored to your company, built for a fast return on investment.
Process automation
I remove manual, repetitive work: reports, data entry, alerts, workflows. You get your time back.
Data organization
Your data centralized, clean and queryable — even in plain language. Make better decisions, securely.
Work
Real projects, not promises
A look at what I've designed and deployed. Every project solves a real business problem.
Online presence
HealthObjects — Automated SEO content site
A website that writes and publishes its own articles
A multilingual (4 languages) publishing platform where a content engine automatically generates, translates and publishes Google-optimized articles. Goal: capture traffic and customers continuously, with zero manual writing.
Stack
Next.jsPostgreSQLSEOIA générative
Data
StockNTrack — Multi-tenant inventory system
Your whole inventory under control, in real time
A complete inventory management system: automated alerts, reservation workflows, detailed analytics and secure per-client data isolation. No more stockouts or scattered spreadsheets.
Stack
Django RESTReactPostgreSQLMulti-tenant
Data
Query your database in plain language
Ask a question, get the answer — no SQL needed
An AI assistant that turns your questions ("which products sell best this month?") into SQL queries, runs them and explains the results. Your teams access data without going through a developer.
Stack
LLMPythonSQLRAG
Data
LexMex — AI legal assistant
Find the right info across thousands of pages
A specialized assistant answering legal questions grounded in the Mexican Civil Code, using hybrid (vector + keyword) search. The same approach applies to your contracts, procedures or internal documentation.
Stack
RAGRecherche hybrideBM25Vecteurs
Automation
Directory submission automation bot
List your business everywhere, automatically
A bot that automatically submits your product or business to dozens of directories and platforms (Product Hunt, Crunchbase, etc.). Hours of manual data entry turned into a few clicks.
Stack
PlaywrightAutomatisationPython
Automation
Trading bots & real-time signal detection
Monitor live data streams and act automatically
Systems that continuously analyze market data streams, detect signals via machine-learning models and trigger actions or alerts in real time. The same mechanics can monitor any critical data flow in your business.
Stack
PythonXGBoostWebSocketTemps réel
About
Data & AI engineer, partner in your growth
I'm Matthieu Werth, an engineer specialized in data and artificial intelligence. I help businesses — from freelancers to SMEs — benefit from technology without unnecessary complexity.
My approach: understand your business, find what's costing you time or money, then deliver a robust, secure and easy-to-use solution.
Whether you need a website, an internal tool, an automation bot or a well-designed database, I handle the technical side so you can focus on running your business.
Matthieu Werth
Contact
Let's talk about your project
Tell me what you need in a few words. I reply within 24h. You can also reach me directly via the chat in the bottom-right corner.