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Custom SaaS

Your platform, built to grow from the first commit.

We design and build business SaaS, from the first release tested by your users to the multi-customer platform that absorbs growth. A lean architecture today, ready to carry ten times more tomorrow.

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Service — SaaS

What we build

  • MVP in a few sprints

    A useful first release in real users’ hands, to prove value before investing further.

  • Multi-tenant architecture

    Per-customer data isolation, fine-grained roles and permissions, per-organisation settings.

  • Subscriptions and billing

    Plans, trials, recurring payments and automated invoices, wired to your payment provider.

  • Business calculation engines

    Pricing, scheduling, simulation: algorithms that capture the full complexity of your business.

  • APIs and integrations

    Connections to your ERP, CRM, corporate directory and the third-party services you rely on.

  • Takeover and modernisation

    Audit, refactoring and gradual migration of an existing application, without service interruption.

Our approach

Your platform, built to grow from the first commit.

  • Quality in every sprint

    Automated tests, code reviews and documentation are built as we go, not at the end.

  • Hosting under control

    Public cloud, French hosting provider or on-premise: we deploy wherever your constraints require.

  • Security by design

    Authentication, encryption, audit logs and GDPR compliance built in from the first weeks.

Technologies

Chosen for your context, never imposed.

  • TypeScript
  • React
  • Vue.js
  • Node.js
  • PHP · Symfony
  • PostgreSQL
  • Redis
  • Docker
  • Kubernetes
  • Stripe

Method

How we work

  1. 01

    Scope

    Workshops with your business teams, review of what already exists, scope trade-offs. You leave with a costed plan and clear priorities.

  2. 02

    Sketch

    User journeys, mockups, clickable prototype. Your users test before a single line of code is written.

  3. 03

    Build

    Short sprints, a demo at every iteration, automated tests and continuous deployment. The budget stays visible at all times.

  4. 04

    Run

    Go-live, monitoring, maintenance and new features. We stay by your side, or hand over cleanly to your team.

All services

The other stones of the arch

A project in this area?

Tell us about your project, even if it’s still a sketch. We’ll come back with precise questions and a first direction.

Start a projectcontact@archetech.fr