Seeking a Principal Java Developer with 8+ years experience
Job details
In this role you will support and develop life critical application NEXUS.
NEXUS is used by Rescue Response Centre Australia (RCCA) to help coordinate assets in maritime and aviation search and rescue incidents and triage and respond to pollution events.
You will support the following Nexus users:
RCCA Staff (RCCA).
RCCA Intelligence Operators.
NEXUS System consists of multiple components built on various technologies/languages (.NET, Java, AWS, Oracle PL/SQL, ArcGIS) providing NEXUS users the capability to perform their operational business functions.
This role will focus on supporting, maintaining and developing solutions for NEXUS cloud and back-end Java/AWS/Oracle components.
NEXUS back-end comprises of multiple Java components and Java EE JMS components used for data integration and message processing.
It also consists of AWS cloud components used to provide external integrations with AMSA's external clients/partners.
Your candidate will work in a small team of highly skilled Java and .
NET developers/SME's with years of business knowledge that all contribute to 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)
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).
Technical skills
Qualifications and Experience: Robust 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
Essential criteria
1.Programming/software development: Level 6 (SFIA)
Develops organisational policies, standards, and guidelines for software construction and refactoring.
Plans and leads software construction activities for strategic, large and complex development projects.
Adapts or develops new methods and organisational capabilities and drives adoption of, and adherence to policies and standards.
Contract
12 Months Contract with 2 x 12 month extensions
Security Required
Baseline Security Clearance required
Location
Canberra, Hybrid - Ability to attend office but regular WFH available.
Closing date
Monday 10 August by 9am
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📌 Principal Java Developer (Canberra)
🏢 Whizdom
📍 Canberra