Principal Java Developer (Security Clearance)

XPT Software; Canberra; On-site; AUD 140,000 - 180,000; Full time

Job summary

Australian Maritime Safety Authority seeks a Principal Java Developer with security clearance to support the NEXUS platform. You will work on back-end Java components, AWS integrations and Oracle data models, while also delivering web UI work with ReactJS.

A proactive, on-call role sits within a small skilled team ensuring reliability for critical life-safety applications. You will design, implement, and maintain enterprise-grade software, produce design artefacts, and drive open API and

Qualifications

• 8+ years of Java development experience with enterprise patterns.
• Experience with Java EE, JPA/Hibernate, RESTful services and OpenAPI.
• Knowledge of AWS cloud services and CI/CD pipelines.
• Ability to design data models and integrate with Oracle SQL databases.

Responsibilities

• Develop enterprise-grade software using Java and Oracle technologies.
• Maintain and enhance NEXUS backend and Java components.
• Develop web UI elements using ReactJS, CSS and HTML.
• Create RESTful OpenAPI specs, SOAP WSDLs and XML schemas.
• Lead DevOps workflows with Jenkins, Git and Maven, and perform releases.
• Provide on-call support for Nexus as part of a team roster.

Skills

Java

Hibernate/JPA

OpenAPI/REST

AWS

CI/CD

Tools

Jenkins

Git

Maven

Oracle SQL

ReactJS

Job description

Principal Java Developer (Security Clearance)

Position: Principal Java / Bespoke Software Engineer (Developer)

Security clearance: Must be able to obtain Baseline

No. of Positions (Open): 02

Job details

In this role you will support and develop Client’s life critical application NEXUS. NEXUS is used by AMSA's 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 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 AMSA’s 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)

Key duties and responsibilities

• 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.
• Maven lifecycle management, Continuous Integration, Unit and System Integration testing.
• Major database experience, including data modelling, stored procedures.
• Willingness to be 24x7 on-call.

Historically calls escalated to the dev team between 10pm and 6am are rare one per year.

Criteria

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.