GEOFast2026
GEO audit SaaS
Co-founder and technical architect
Design and development of a Python/Flask GEO audit application, driven by an LLM workflow, with continuous integration and deployment.
Python · Flask · LLM · CI/CD
References
Projects and references
Medical software, telecoms, open source messaging, artificial intelligence, web and mobile: recent projects, client references and media appearances.
Recent projects
Assignments carried out from 2014 to 2026
Each card shows the period, the role held by Sébastien Mizrahi and the technologies used.
Alfred2025 - 2026
Multi-client AI chatbot platform
Architect and AI engineer
LLM routing with LiteLLM, local RAG, actions through Python/HTTP hooks, MCP and n8n, web, Telegram and WhatsApp channels, local voice, with privacy as a design principle.
Python · FastAPI · LiteLLM · RAG · MCP
Alinto · SOGo 62024 - 2026
Rebuild of SOGo, the open source groupware
Architecture and development
Architecture proposal, technical studies and POC of a MAPI server, then development of the calendar, the contacts and an asynchronous agent: Python/Flask API on Kubernetes, with tasks handed to Celery.
Python · Flask · Kubernetes · Celery · Docker
Read the case study →Immersive Book2024 - 2026
AI-augmented bookmark
AI engineer
Development of the artificial intelligence features of an AI-augmented bookmark.
Python · AI · Node.js
Keranova2020 - 2022
Laser cataract surgery robot
Senior R&D software engineer
Calibration software, embedded development, OCT and phaco integration for a medical device; software team management and code reviews.
C++ · Python · MISRA · IEC 62304
V3D · SoftAtHome2014 - 2020
Speed test and network quality
Team leader, R&D software architect
Apache module for network quality analysis in C++ (speed test server, 2018), speed test web client and Chrome extension, EQualOne iOS SDK, mobile team management.
C++ · Redis · Node.js · iOS
Client references
They put their trust in Le Programmeur
Assignments carried out directly or through IT services companies such as SQLI, plus two personal projects.
Alinto (external site, new tab)
Development and community management of the SOGo open source webmail; development of anti-spam tools.
Open source · Objective-C · AngularJS
Keranova (external site, new tab)
Development of an ophthalmic laser surgery robot; management of the software team's activities, code reviews.
Project management · C++ MISRA · IEC 62304
One Hour Escape Game (external site, new tab)
Integration of new payment methods, server migration to a new Docker architecture, PHP fixes and improvements.
Web · PHP · Docker
SoftAtHome (V3D)
Speed test web client and Chrome extension, iOS development of the EQualOne SDK, mobile team management, Apache module for network quality analysis.
Web · Mobile · Project management · C++ · Node.js
Chanel
Improvements to the iOS app used by sales assistants.
Mobile · iOS
Nestlé
Fixes to mobile apps.
Mobile
Groupama
The Groupama Toujours là app, winner of the international Dynamic Enterprise Award in 2011.
Mobile
Sanofi Pasteur
Project management for a vaccination tracking app intended for Asian countries.
Project management
Markem-Imaje
Project management for a product catalogue mobile app for sales representatives.
Mobile · Project management
NXP Semiconductors
Project management for a production management and chip optimisation application (Nijmegen, 800 man-days).
Project management
Michelin
Third-party application maintenance (TMA) of websites.
Web
Sogelink
Mobile and tablet app for entering DICT (works notices), with mapping and ground footprint.
Mobile
Agence de l'eau RM&C
Website, gold-level accessibility.
Web · accessibility
Ministère de la Défense
Design and modelling work.
Design · Modelling
Friend Locator
Personal project launched in 2009: a geolocated mobile social network, which reached 60,000 active users.
Mobile app · social network
Smarties.io (external site, new tab)
Personal project since 2011: an open source home automation hub in Node.js, with a React.js interface and a Swift app.
Web · Mobile · Node.js
Press and videos
In the media
The videos open on YouTube, in a new tab.
SoftAtHome on the TF1 news (YouTube video, new tab)
SoftAtHome on the TF1 television news.
Keranova (2022) (YouTube video, new tab)
Keranova, whose laser cataract surgery robot Sébastien Mizrahi developed from 2020 to 2022.
Groupama Toujours là (YouTube video, new tab)
The app that won the 2011 Dynamic Enterprise Award.
Friend Locator (YouTube video, new tab)
The geolocated mobile social network launched in 2009.
Testimonials
Read the testimonials Reviews from clients and former managers
V3D, Keranova, Alinto, Groupama, One Hour Escape Game: their testimonials and the Google reviews are gathered on the home page.
Le Programmeur is also listed on Je suis numérique (external site, new tab), the directory of digital experts, and on Agences Web du Futur (external site, new tab), the directory of web agencies.
Frequently asked questions
Your questions, my answers
Which companies have you worked for?
Among others, Keranova, SoftAtHome, Alinto (SOGo open source webmail), Chanel, Nestlé, Groupama, Sanofi Pasteur, NXP Semiconductors, Markem-Imaje, Michelin, One Hour Escape Game and Adequation, directly or through IT services companies such as SQLI and Getronics Decan.
Which fields do these assignments cover?
Medical software (laser surgery robot), telecoms and network quality, open source messaging, mobile apps for major brands, server architecture and migration, websites and international project management.
Let's get in touch
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