Principal Java Developer (Security Clearance)

Xpt Software Australia Pty; City of Greater Bendigo; On-site; AUD 120,000 - 180,000; Full time

Job summary

AMSA seeks a Principal Java / Bespoke Software Engineer to support and enhance the NEXUS system used by RCCA for maritime and aviation SAR operations. You will work with Java, .NET, AWS and Oracle components, contributing to back-end services, data models and RESTful APIs within a small expert team.

You will provide guidance to the Applications Director and CIO, participate in on-call coverage, and help shape enterprise-grade software across cloud and on-prem environments.

Qualifications

• 8+ years Java enterprise experience.
• Experience with Java EE/JMS or Spring/SpringBoot.
• Strong API design skills (REST/SOAP/OpenAPI).
• Unix/Linux familiarity; CI/CD lifecycle.

Responsibilities

• Develop and maintain enterprise Java back-end for NEXUS system.
• Support web UI components using ReactJS/HTML/CSS.
• Design data models and implement with Oracle DB.
• Create and maintain RESTful OpenAPI specs and WSDLs.
• Manage DevOps workflows with Jenkins, Git, Maven/Ant.

Skills

Java

J2EE

Spring

Hibernate

REST APIs

AWS

Education

Bachelor's degree in Computer Science

Tools

Jenkins

Git

Maven

Job description

Job Description

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 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 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.
• 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).

Criteria

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.