Job Description
Location: Sydney, NSW
Experience: 8–12+ Years
Employment Type: Contract
We are looking for an experienced Senior Java Developer to join our growing technology team in Sydney.
The ideal candidate will have strong hands‐on experience in Java‐based application development, system design, and modern frameworks, with the ability to mentor junior developers and work closely with stakeholders.
Key Responsibilities
Design, develop, and maintain high‐performance Java applications
Work on backend services using Java, Spring, and Spring Boot
Develop RESTful APIs and integrate with third‐party systems
Participate in system design, architecture discussions, and code reviews
Optimize application performance, scalability, and security
Collaborate with product owners, business analysts, and QA teams




Guide and mentor junior developers and contribute to best practices
Support production releases and resolve technical issues
Required Skills & Experience
6+ years of hands‐on experience in Java development
Robust expertise in Core Java, Java 8+, Spring, Spring Boot
Experience with Microservices architecture
Hands‐on experience with REST APIs, JSON, XML
Strong knowledge of SQL / NoSQL databases (Oracle, MySQL, PostgreSQL, MongoDB)
Experience with Hibernate / JPA
Familiarity with CI/CD pipelines and build tools (Maven, Gradle)
Experience with Git, Bitbucket, or similar version control systems
Understanding of Agile / Scrum methodologies
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📌 Senior Java Software Engineer (New South Wales)
🏢 ALOIS Australia
📍 New South Wales