Senior Java Backend Engineer - Cloud & Modernisation

Charter Diligence; Sydney; Hybrid; AUD 166,000 - 172,000; Full time

Job summary

Charter Diligence is seeking Senior Java Developers to join a major NSW Government modernization program. You will contribute to modernising revenue systems, building Spring Boot services, and deploying in AWS with containerised solutions.

Ideal candidates have extensive Java experience, Oracle SQL, microservices, and a track record in enterprise environments. This hybrid Sydney-area role requires police check and work rights in Australia.

Qualifications

• Extensive commercial Java enterprise experience.
• Strong Java 7+ (Java 8+ highly desirable).
• Strong Spring Boot development experience.
• Practical experience delivering REST APIs and backend services.
• Experience modernising legacy Java applications.
• Strong Oracle database experience (SQL/PLSQL).
• Experience with microservices and design patterns.
• Hands-on AWS experience in modernization projects.
• Experience deploying Spring Boot in Docker containers.
• Knowledge of CI/CD, DevOps practices and Agile/Scrum.
• Familiarity with JBoss or similar servers; Hibernate/Spring Data desirable.
• Exposure to Git, Bitbucket, GitLab and modern development platforms.
• AI tools usage for legacy analysis/migration advantageous.
• Strong analytical and problem-solving skills.
• Clear communication with technical/non-technical stakeholders.
• Ability to work in a regulated enterprise environment.

Responsibilities

• Develop, enhance and maintain enterprise Java applications across a complex environment.
• Modernise applications while preserving business continuity and reliability.
• Design and implement backend services with Java and Spring Boot.
• Build and maintain RESTful APIs and service integrations.
• Work with Oracle databases, SQL and PL/SQL to support functionality.
• Refactor and migrate legacy codebases to modern architectures.
• Develop and support microservices and cloud-native solutions.
• Deploy and operate applications in AWS; containerise with Docker.
• Apply secure coding, testing and delivery standards throughout SDLC.
• Participate in code reviews and solution design activities.
• Troubleshoot production issues and perform root-cause analysis.
• Collaborate with analysts, architects and QA; support Agile ceremonies.
• Contribute to CI/CD pipelines and automated builds.",

Skills

Java

Spring Boot

REST APIs

Microservices

AWS

Docker

Git

CI/CD

Agile

Hibernate/Spring Data

Oracle SQL/PLSQL

React/JS

AI tools

Tools

Docker

AWS

Git

Bitbucket

GitLab

Job description

Charter Diligence is seeking Senior Java Developers to join a major NSW Government modernization program. You will contribute to modernising revenue systems, building Spring Boot services, and deploying in AWS with containerised solutions.

Ideal candidates have extensive Java experience, Oracle SQL, microservices, and a track record in enterprise environments. This hybrid Sydney-area role requires police check and work rights in Australia.