Cruzata

Modern Java, enterprise reliability

Recent Java releases and Spring Boot make Java productive and fast, with a mature ecosystem for security, messaging and observability, which is why regulated and high-volume businesses keep choosing it.

We build new services and upgrade older Java applications to current versions with automated testing and containerised deployment.

  • Spring Boot microservices
  • Java 17 / 21 and framework upgrades
  • Spring Security, OAuth2 and SSO
  • Kafka and event-driven design

Typical work

New services
Spring Boot
Upgrade
Legacy to modern
Integration
ESB, Kafka, REST
Scale
Kubernetes

Legacy Java modernisation

01

Assess

Versions, dependencies and risks.

02

Stabilise

Tests and CI around existing code.

03

Upgrade

Java and framework versions.

04

Refactor

Modularise and decouple.

05

Deploy

Containers and automation.

Capabilities

Microservices

Resilient services with clear contracts.

Security

OAuth2, OIDC and audit trails.

Persistence

JPA / Hibernate and SQL tuning.

Messaging

Kafka and RabbitMQ.

Testing

JUnit, Mockito, Testcontainers.

Cloud native

Docker and Kubernetes.

Java ecosystem

Core

  • Java 17 / 21
  • Spring Boot
  • Spring Cloud
  • Spring Security
  • Hibernate
  • Maven / Gradle

Data & messaging

  • PostgreSQL
  • Oracle
  • MySQL
  • Kafka
  • RabbitMQ
  • Redis

Quality & ops

  • JUnit 5
  • SonarQube
  • Docker
  • Kubernetes
  • Jenkins
  • Prometheus

Services we provide

Engineering and design capabilities behind it.

Industries we serve

Typical sectors where we deliver this.

Hire specialists

Add engineers who work in this space.

FAQ

Java: frequently asked questions

For its stability, performance, ecosystem, security tooling and large talent pool.

Yes. We upgrade runtimes and frameworks and add tests and pipelines to make future change safer.

Java suits complex, high-volume enterprise domains; Node.js suits API and real-time workloads. We advise per project.

Yes, with Spring Boot, messaging and Kubernetes where architecture justifies it.

Start your java project

Tell us what you are planning. We will reply within one working day with questions or a clear next step.