Our methodology for web application and software development
A proven method for your web applications and business software.
We support you at every stage of your web application, ERP, CRM or business software, from the analysis of your processes to go-live and later updates, through a cycle of continuous innovation (discovery / design / delivery).
Business analysis, design and architecture
We start from your processes and your teams to define the features, design clear screens and lay down a solid architecture, ready to connect to your information system.
01Analysis & functional scoping
The analysis covers mapping your processes, users and current tools, workshops with your business teams, then writing the functional specifications (user stories, business rules, access rights) within the requirements document.Start your project02UX/UI & prototyping
Design covers the journeys of each user profile (operators, managers, administrators), mockups of the key screens (dashboards, forms, lists), the design system, wording, and an interactive prototype validated with your teams.03Software architecture
Architecture covers the data model, API design, integrations with your existing tools (ERP, CRM, accounting, single sign-on), roles and permissions, the choice of hosting, and the project initialization.
Development, testing and acceptance
We build your software iteratively, test it continuously and have it validated by your business teams, with the necessary adjustments before go-live.
04Development
Development covers the web interfaces (frontend), the backend, the database, the APIs and the connectors to your existing tools, along with technical optimizations (response times on large data volumes, access security, action logging, etc.).05Technical acceptance (MOE)
MOE acceptance covers unit and integration tests, tests of the exchanges with your connected tools, load, security and access-rights tests, and a functional check of every screen and business rule. Any anomalies detected are fixed.06Acceptance by your teams (MOA)
MOA acceptance is carried out by your business teams on a staging environment, with scenarios drawn from their daily work and realistic test data, to validate each feature and make the final adjustments before go-live.
Iterative development
2-week sprints with interim demos at every cycle (usually 2 weeks). You stay in control of priorities throughout the project.
Go-live, training and maintenance
We support you through the launch, from training your users to going live, then with the security and evolution of your software over the long term.
07Training your teams
Training covers getting started with the software for each user profile, a walkthrough of the administration (settings, account and permission management, data consultation), a PDF user guide and support for any questions.08Go-live & verification
Once the targeted version is validated, we put your software into production on your environment, migrating your existing data if needed. We then carry out an initial verification and apply a 6-month corrective maintenance period included (free of charge).09Security, maintenance & evolution
Security and maintenance cover the supervision of your software (24/7 cloud monitoring, alerts), security updates and technology watch, and corrective, preventive and evolutive maintenance (time-and-materials or fixed-fee) to add new modules as your needs grow.
Project tracking
at every stage of
your software.
Project tracking at every stage of your software.
From functional scoping to go-live, your Project Manager ensures rigorous tracking through daily check-ins, and remains your business teams' point of contact, from acceptance testing to future updates.



The best technologies for your web applications and software.
We master the best services and technologies to develop, maintain and scale your web applications and software.
Let's build
your custom
software.Let's build your custom software.
Describe your project. Our team replies within 24 hours with free technical scoping, along with a clear estimate of costs and timelines. No commitment.
- Reply within 24 hours from a project manager
or engineer.Reply within 24 hours from a project manager or engineer. - Technical scoping and quote, with no fees.
- No commitment, your data stays
confidential.No commitment, your data stays confidential.
Monday to Saturday · 9am to 6:30pm
hello@kosmos-digital.com
Paris · Lyon · Marseille · Nice · Geneva










