Technology · Back-end & CMS

Java development

Design, build and scale your Java solutions with an expert team.

We master Java end to end: consulting, custom development, integration, code takeover and maintenance. Fixed-price or staff augmentation, white-label for agencies.

Get a quote Java team

Java pour des systèmes d'entreprise robustes, performants et sûrs, conçus pour durer.

FullDo & Java

We treat Java as a long-term investment: clear architecture, tested and documented code, knowledge transfer. No black box, no hidden debt.

Whether you start a project, take over an existing one or need a team boost, we adapt to your organisation — fixed-price to deliver, or staff augmentation to strengthen your team, white-label for agencies.

Custom Java development. Apps, platforms and sites built around your real needs.
Java integration & API. Connect to your systems, data, tools and partners.
Java takeover & modernization. Audit, legacy takeover, upgrades and SLA-backed maintenance.
Java staff augmentation. Experts embedded in your team, white-label.

Use cases

Where Java makes the difference

Applications critiques

Banque, assurance, industrie : fiabilité avant tout.

API & microservices

Avec Spring Boot, scalables et observables.

Reprise & modernisation

Migration de monolithes vers le cloud.

Business benefits

What you gain

Robustesse et performance éprouvées
Écosystème d'entreprise immense (Spring)
Sécurité et stabilité long terme
Idéal systèmes critiques et fort volume

Project types

The Java projects we deliver

SaaS & dashboards

Corporate websites

E-commerce

Business apps

API & integrations

Legacy takeover

Our method

From idea to production, and beyond

Scoping & consulting

We clarify your need, constraints and goals before writing a line of code.

Architecture & design

Stack choice, technical architecture, UX/UI and approved mockups.

Development

Short sprints, tested and reviewed code, regular demos and check-ins.

Testing & QA

Automated tests, UAT, performance, accessibility and security.

Go-live

Controlled CI/CD deployment, no downtime, no stress.

Maintenance & growth

Support and evolutions with a measured service-level commitment.

Why FullDo

Our Java expertise

Java reste la valeur sûre des systèmes critiques : nous l'employons avec Spring pour des plateformes fiables et scalables.

120+

Projects delivered

40+

Experts available

98%

Client retention

48h

Response time

FAQ

Java est-il adapté aux microservices ?

Oui, notamment avec Spring Boot et Spring Cloud, très utilisés en entreprise.

Pouvez-vous moderniser une application Java ancienne ?

Oui : montée de version, conteneurisation et migration cloud progressive.

Java ou Node pour une API d'entreprise ?

Java/Spring pour les exigences strictes et le fort volume ; Node pour la légèreté et le temps réel.

Do you work fixed-price or staff augmentation?

Both: we deliver end to end, or embed experts in your team, white-label for agencies.

Do you work remotely?

Yes, remotely or on-site, in France and worldwide.

Back-end & CMS

Other technologies

Node.js NestJS Symfony Laravel Spring Boot WordPress Drupal Strapi

Let's talk

A Java project? Get your quote

Describe your need in a few lines: we reply within 48h with a first proposal and estimate.