Marmelab

“Marmelab's proven expertise in AI, combined with their agile methodology, enabled us to move from prototype to production in just a few weeks. We particularly valued their rigorous and structured approach, which allowed us to hit our goals quickly and with outstanding quality.”

Olivier Abecassis

CEO, Qwant

Explore our success stories

(02)

Why work with us

Great applications deserve great craftsmanship

We approach every project as if it were our own — applying decade of experience, a passion for innovation, and a user-centric mindset.

Industry experts

Not just devs, but recognized speakers leading the tech conversation.

80K stars on GitHub

Our high-quality code speaks for itself.

Checkout our GitHub

Senior developers only

With an average of 10 years of experience for top-tier expertise.

Full-stack mastery

From front-end to back-end, we cover the entire development cycle.

R&D-driven

We constantly explore new technologies so you always stay ahead of the curve.

No long-term commitments

Pause or stop at the end of any sprint, no strings attached.

(04) What we build

Our Success Stories

Explore case studies from our customers who have trusted us with turning their ambitious ideas into impactful digital products.

Qwant: Gen AI Eval Framework

Qwant, the privacy-focused French search engine, has integrated a response engine into its search results. We have created a comprehensive evaluation framework, considering factors such as relevance, speed, cost, and adherence to instructions, to identify the optimal AI configuration.

ARTE: Video Replay Platform

For nearly a decade, Marmelab has been ARTE's trusted partner in building the core infrastructure powering Arte.tv. Our ongoing collaboration ensures millions of users enjoy a cutting-edge, reliable streaming experience on the European cultural channel's platform.

Accor: Backend For Frontend

The largest hotel group in Europe approached us to assist in resolving delivery and performance issues with their mobile app development.

Coutot-Roehrig: Succession Search Platform

Coutot-Roehrig, leader in inheritance genealogy, partnered with us to rebuild its internal search engine to reduce research time and enhance the efficiency of genealogists working in the field. We developed R², a performant, full-text search platform powered by PostgreSQL and Remix, which enables fast, mobile, and reliable queries across hundreds of millions of civil records.

Le Nouvel Obs: Eco-friendly Design System

As the French newspaper was redesigning their website, we developed their design-system and used it to build the central article page. These developments were analyzed by GreenFrame to measure and reduce the overall carbon footprint of each visit.

CNRS: Semantic Web CMS

We've built a new type of content management system for the National Research Department, using Node.js, React.js, MongoDB, Docker, Material Design, and an agile development process.

Lyon Hospitals: Documentation Portal

To help documentalists at Hospices Civils de Lyon save precious time in classifying and enriching scientific documents, we set up and customized an instance of the Lodex open-source project.

BpiFrance: Carbon Footprint Reduction

BpiFrance, the French national innovation fund, is committed to measuring and reducing the environmental footprint of their web and mobile applications. We set up GreenFrame in their CI pipelines, which helped their developer teams adopt sustainable coding practices.

IAD: Income Prediction Tool

IAD disrupts traditional real estate by fostering independent consultants and enhancing their experience with a Marmelab-created revenue simulator.

Amnesty International France: Urgent Actions Network

How to leverage mobile devices to help save lives? AIF had the intuition that they could engage new supporters to send an email, in their name, to the authorities responsible for human rights violations. We used Lean Startup and cutting-edge technologies to make it a reality.

WALLIX Group: Session Management Prototype

Marmelab helped WALLIX Group test an innovative approach to session management. The result is a secure, in-browser rights management platform, coupled with a zero-knowledge cloud service, leveraging recent browser technologies like WebCrypto, WebAuthn, IndexedDB, and web streaming.

Harmonie Mutuelle: Health expenditures analysis

Many usage and technical uncertainties: a perfect fit for the marmelab approach. The DataViz project helps the customers of Harmonie Mutuelle align their spending with their actual needs.

BibCNRS: Search Engine

We redeveloped the frontend the core search engine of the French CNRS, serving thousands of researchers every day. The outcome is an enhanced user experience, improved performance, reduced maintenance costs.

1859 Cloud: Responsive App, API & Admin

A FinTech like no others, 1859 Cloud wanted to build a private club of investors sharing investment ideas for the greater good. We've used Lean Startup and JavaScript to make that possible.

Canal+: Self-Care Mobile App

To help their subscribers diagnose problems on their TV installation, Canal+ asked us to build a mobile app that takes control of the set-top-box remotely. We used React.js and Cordova for the frontend, ES6 and Koa for the API, and ng-admin for the admin.

SensioLabs: SensioLabs Insight

SensioLabs, the creator of the Symfony framework, wanted to pivot from an IT contractor to an editor business model. For their first service, an online static analysis tool for PHP projects, they asked us to bootstrap the project in Lean Startup mode, and assist in the development of the frontend and backend.

TF1: TV Audience on mobile

How to make complex TV audience data available on a smartphone? The French leading TV channel TF1 challenged us to find a fast and usable solution in a week. See what we came up with.

20 Minutes: Rebuild The CMS Front & Back

20 Minutes, the leading free daily newspaper, had to rebuild their CMS from top to bottom to match new customer expectations. But how to do that without any service interruption? We invented the Continuous Migration Process for this occasion.

PMU: PMU.fr

The famous French bet company rebuilt their main portal using state-of-the-art JavaScript techniques. We've helped them with agile development, Backbone.js, RequireJS, and Mocha.

Our Products

We build products that empower developers and drive innovation.
Best of all, they're open-source!

React-admin

We edit and support React-admin, an open-source, low-code framework that accelerates the development of admins, dashboards, and B2B apps. Very popular, it powers 3,000 new websites every month.

26k stars

Check it out

Shadcn Admin Kit

Shadcn Admin Kit is a powerful open-source admin library. With the popular Shadcn UI at its core, it helps developers build internal tools, dashboards, and B2B apps fast.

360 stars

Check it out

Atomic CRM

Atomic CRM is an open-source CRM toolkit for personalized solutions. Addressing a common business need, Atomic CRM is rapidly gaining popularity.

450 stars

Check it out

Greenframe

GreenFrame is an open-source solution that helps developers build low-carbon, energy-efficient web applications and reduce their environmental footprint.

250 stars

Check it out