We design, build
and run software.

We are a software studio. We audit code and architecture, remediate legacy systems, coach development teams, and teach Domain-Driven Design & software craft.

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Clients
BNP Paribas Michelin Eiffage Hermès EPEX SPOT Fédération Française de Rugby Fédération Française de Motocyclisme Electre

We read your codebase and measure what slows you down: coupling, cyclic dependencies, drift between the domain and the code. You get evidence: dependency graphs, hotspots, a ranked plan. And a clear decision to make.

Most of the software that runs a business is already written. We turn tangled codebases back into systems that accept change: no big bang, no regressions, behavior proven equivalent at every step. We call this approach Legacy Reclaiming.

We work inside your team, on your production code. Design sessions, pairing, reviews. Practices stick when they are learned on real work.

Three courses: Product Design, Domain-Driven Design, Production-Ready Clojure. Taught since 2022, Qualiopi certified, 4.7/5 average satisfaction.

Philosophy

How we think

Companies run on software. Good software is leverage; bad software is inertia.
We favor simplicity over familiarity: making something complex is riskier than learning something unfamiliar.
We focus on problems, not features.
We pick technology for your hardest problems, not for a quick start.
No hype.
Open source

We build our own tools for domain analysis, code analysis and data visualization, and we open source them as they mature.

Got a system that’s getting hard to change?

One session, your architecture, our read on it. No slides.

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