STS · Social Transport Solutions
ongoingSenior Backend PHP/Symfony
Critical social-transport backend: Symfony 7, hardening and improvement with AI.
› ~/portfolio
From Kiabi in 2008 to AI today, here's the whole track record: the years, the role, and what I built each time.
$ uptime · independent since Nov 2014
// non-exhaustive list, NDAs oblige
Like a résumé, but easier to read. From 2008 to today.
Oct 2025 → today
freelance
Senior Backend PHP/Symfony
Critical social-transport backend: Symfony 7, hardening and improvement with AI.
Jul 2023 → Sept 2025
freelance
Senior Backend PHP/Symfony
Travel-tech (French Tech Next40 startup): bookings, payments, financial flows. Internal MCP servers and AI agents in production.
May 2020 → Jun 2023
freelance
Lead Developer
Numismatics e-commerce ERP, 400,000+ items. Symfony 2.7 → 4.4 migration, AWS, microservices, marketplace connectors (Shopify, eBay…), and structuring the tech team.
Dec 2018 → Dec 2019
productFounder
Symfony platform analysing listed real-estate companies (French REITs): API Platform, Elasticsearch, Financial Times data feed.
Oct 2015 → Mar 2019
freelance
Engineering Manager
Technical lead on enterprise web projects (Nexity, Suzuki, Nocibé, Vinci): pre-sales, delivery management, team leadership.
Sept 2015 → Apr 2020
freelance
Lead Developer
Fully custom ERP from scratch for Luxembourg’s leading electronics-repair company: manufacturer APIs (Apple…), carriers (UPS, DPD, Bpost), RabbitMQ, Elasticsearch.
Nov 2014 → May 2019
teachingInstructor · engineering track
Web development courses on an engineering track: PHP, MySQL, SEO, e-commerce.
› See the trainingNov 2014: Numerogeek founded · freelance life begins
Sept 2012 → Nov 2014
permanent
Lead Developer
Rebuild of the Visite Immo & Visite Déco portals, SEO/acquisition strategy.
Sept 2008 → Sept 2012
permanent
Full Stack Developer · via the IT-services firm Pictime
Kiabi Europe e-commerce (FR/NL/BE/IT/ES): checkout funnel, web marketing, data feeds.
Shorter engagements I ran under Numerogeek: consulting, websites, evolutions.
Patient-tracking platform for a research department.
Work on a business ERP in Symfony.
Maintenance & evolution of the Symfony API.
Ride-hailing booking platform in Symfony/Sonata.
Enhancements to a recruitment platform (Symfony, PostgreSQL).
Symfony POC & entrepreneurial support.
Website design in Symfony.
WordPress site: maintenance, SEO & web marketing.
PrestaShop site & SEO audit.
Consulting & technical support.
Front & back dev, user training.
Symfony development.
+ and more, under NDA
$ ./add-a-reference
Fifteen years of engagements, and the itch to add one more good one. Tell me about your backend or AI project, I reply fast.
// contact