Built by people who write the code.
No marketing department, no growth hacks, no SaaS subscription. Modules sold once, supported in person, in your language, by the same hands that built them.
E-commerce code should outlive the people who write it.
Most online shops run on top of code that no one signs. Modules pulled from marketplaces, freelancers who came and went, themes that bend until they break — until one day a critical update lands and the whole stack groans. We have spent ten years cleaning that up for clients we eventually became friends with.
DataFirefly is the catalogue we wished existed back then. A small set of modules that we maintain — really maintain — over years, with documentation, with someone on the other end of the email, in your language. We say no to twenty things a week to keep this true.
We are deliberately small. We sell modules once. We push code that another developer can read. We answer support emails. That is the entire pitch.
Three things we never compromise.
Code another dev can read
Hooks documented, tests where it matters, no clever tricks. The next person who opens the module — even if it is not us — should not pull their hair.
Support that respects you
Within 1 business day, in your language, by someone technical. No tier-1 reading from a script, no "have you tried turning it off and on again".
Pricing that ages well
You buy the module once. Twelve months of compatibility updates included. Renewal at a reduced price if you want to stay current. No mandatory subscriptions.
What we actually build.
Three platforms, several flavours of work. Pick the closest match — each page tells you exactly how we operate, what we charge and what we deliver.
Agence e-commerce
PrestaShop, WordPress, Shopware. Tout le reste, on dit non.
Audit PrestaShop
Rapport complet sous 5 jours, plan d'action chiffré.
Développeur d’extension WooCommerce
Compatible HPOS, livrée en 2 à 4 semaines.
Développeur de module PrestaShop
Le module exact qu'il vous manque, livré en 2 à 4 semaines.
Développeur de plugin Shopware
Compatible 6.5 / 6.6 / 6.7, livré en 3 à 5 semaines.
Développeur de plugin WordPress
Du brief à la prod en 2 à 4 semaines.
Développeur PrestaShop
Plus de 10 ans à fabriquer pour le commerce PrestaShop.
Développeur Shopware
Shopware 6 par des gens qui en font depuis 2019.
Développeur WooCommerce
WooCommerce qui tient la charge — pas juste qui marche.
Développeur WordPress
Plugins, thèmes et intégrations qui tiennent dans le temps.
A short history.
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2014
First PrestaShop module
A small payment connector for a French merchant. Still maintained today.
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2017
50 modules in catalogue
The catalogue takes shape — modules pulled from real client work, not synthetic ideas.
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2019
Shopware 6 expertise
We start working on Shopware 6 the year it launches. Most agencies are still on 5 — we bet on the new architecture.
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2022
Multi-language support
EN / FR / ES / DE on every module, every page, every email. Custom translation infrastructure.
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2024
300+ modules
PrestaShop, WordPress / WooCommerce, Shopware. Same team, same standards.
Want to talk?
Whether you are looking at a module, planning a custom build, or just curious — drop us a line.