Join a highly skilled engineering team working on a large-scale telecommunications provisioning platform that manages hundreds of millions of records.

This is an excellent chance for a Java Developer to work across a diverse technology environment, combining modern Spring Boot microservices with established Grails applications. You’ll contribute to new features, platform modernisation and the ongoing improvement of complex, business-critical systems.

What You’ll Be Doing

Develop, maintain and enhance a suite of Java and Spring Boot microservices

Work across systems supporting order management, trouble ticketing, network configuration and API gateways

Support and modernise legacy applications built with Grails and Groovy

Design and implement RESTful APIs using OpenAPI specifications

Create and maintain database migrations with Flyway across multiple PostgreSQL schemas

Develop and optimise SQL queries, stored procedures and database logic

Integrate the platform with external systems through REST APIsContribute to GitLab CI/CD pipelines and automated deployment processes

Write unit and integration tests and maintain high code-quality standards

Collaborate with frontend developers working with Angular

Troubleshoot production issues and participate in support rotations when required

Maintain technical documentation and contribute to team knowledge sharing

About You You’re a capable Java Developer who enjoys solving complex technical problems and is comfortable working across both modern and legacy environments.

You’ll ideally bring

At least three years of hands-on Java development experience

Strong Java 8+ skills and a sound understanding of object-oriented design

Commercial experience with Spring Boot,



including Spring Web, Spring Data JPA and Spring Security

Proficiency with Maven build processes and dependency management

Strong SQL skills and experience with PostgreSQL or a comparable relational database

Experience designing, developing and consuming RESTful APIs

Confidence using Git and established branching strategies

An understanding of CI/CD build, test and deployment pipelines

Strong troubleshooting and problem-solving abilities

The ability to navigate and improve complex legacy codebases

Clear communication skills and a collaborative approach

Highly Regarded Experience in any of the following areas would be beneficial

Groovy and the Grails framework

Flyway or similar database migration tools

GlassFish or other Java EE application servers

GitLab CI/CD

JMS or messaging technologies such as OpenMQ or ActiveMQ

Distributed tracing using Spring Cloud Sleuth or Zipkin

SonarQube, CodeNarc or comparable static-analysis tools

Angular or other frontend technologies

Telecommunications or network-provisioning systems

Linux and Bash scripting

Docker containerisation

EnterpriseDB or Oracle PL/SQL compatibility features

Why Apply

Work on a large-scale, business-critical platform

Gain exposure to both modern microservices and complex enterprise applications

Contribute to meaningful platform modernisation initiatives

Work with a broad technical stack across backend development, databases, APIs and CI/CD

Join a collaborative team where your technical input will be valued

If you’re an experienced Java Developer looking for technically challenging work within a large and evolving environment, we’d like to hear from you.

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📌 Java DevOps Engineer (Port Phillip City)
🏢 Rubix Solutions
📍 Port Phillip City