Senior Java Developer

Australian Citizens residing in Australia only respond.

• Contract start 01 July 2024 to 12 months, 2 x 12 months extensions.
• Australian Citizen, ability to obtain Baseline Clearance, Canberra role.

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You will work in a small team of highly skilled Java and .NET developers/SMEs with years of business knowledge that all contribute to AMSAs in-house support of Nexus.
Your responsibilities will include:

• Develop enterprise-grade software using Java and Oracle technologies
• Develop / maintain web-based UI using ReactJS, CSS and HTML
• Design data models, translate to physical data models and implement using Oracle Database
• Implement CRUD operations on the database using Java Object-Relational Mapping frameworks
• Produce and maintain detailed design artefacts & technical specifications
• Create and work with RESTful OpenAPI specifications, SOAP WSDLs, XML Schemas
• Develop and maintain DevOps workflows using Jenkins, Git and Maven & Ant
• Perform and build Nexus software releases following established processes
• Providing advice and support for Applications Director & CIO
• Provision of on-call services as part of a team roster (calls are rare one per year)

Every application requires to address selection criteria as part of application submission.
Essential Criteria
1. Essential Skills Required
Excellent verbal and written communication skills.
At least 8 years Java experience, enterprise design patterns, JPA, Hibernate ORM, JEE an advantage, reactive programming an advantage.
Java Web service development, SOAP and REST APIs, OpenAPI/XSD Schemas, XML/JSON, Spring/SpringBoot.
Unix/Linux, Bash.
Maven lifecycle management, Continuous Integration, Unit and System Integration testing.
Major database experience, including data modelling, stored procedures. Oracle preferred.
Willingness to be 24x7 on-call. Historically calls escalated to the dev team between 10pm and 6am are rare one per year.
AWS development (EC2, Lambdas, API Gateway, S3/SQS, Cloud Formation).
2. Qualifications and Experience:
Strong commitment to software engineering processes and a proven ability to develop robust and maintainable software.
A proven ability to document technical processes.
Implement and maintain automated testing. Provide feedback on implementation and design aspects as required from other areas.
Assist in the continuous improvement process by developing and enhancing procedures and produce documentation, including detailed design documentation, in accordance with client policies and procedures.
Work as a member of an integrated Agile team comprising technical and non-technical personnel