Senior Java Developer Jobs

Darumatic

Location:
Australia, Sydney

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

This is an exciting opportunity to work on a project with great social impact. Our client is seeking a Senior Java Developer to join their team. You will focus on supporting, maintaining and developing solutions for Nexus Cloud and back-end Java/AWS/Oracle components. You will work in a small team of highly skilled Java and .Net developers/SME's years of business knowledge that all contribute to the client's in-house support of Nexus. In this role, you will develop enterprise-grade software using Java and Oracle technologies. We are looking for someone who is willing to make a big impact and be equipped with good new ideas to benefit the project and the team in the right way.

Job Responsibility:

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 the Applications Director & CIO
Provision of on-call services s part of a team roster (calls are rare one per year)

Requirements:

Excellent verbal and written communication skills
At least 8 years of Java experience, enterprise design patterns, JPA, Hibernate ORM, JEE n advantage, and reactive programming advantage
Java Web service development, SOAP and REST APIs, OpenAPI/XSD Schemas, XML/JSON, Spring/SpringBoot
Experience with Unix/Linux, Bash
Maven lifecycle management, continuous integration, Unit and System Integration testing
Major database experience, including data modelling, and stored procedures. Oracle preferred
Willingness to be 24x7 on-call. Historically calls escalated to the dev team between 10 pm and 6 am are rare one per year
Experience with AWS development (EC2, Lambdas, API Gateway, S3/SQS, Cloud Formation)
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 producing 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

Additional Information:

Job Posted:
December 08, 2025

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Senior Java Developer