Software Development

Senior Java Developer

Sydney, NSW
Work Type: Contract
About Us 

Darumatic is an IT Consultancy that focuses on cloud-native technologies. Our mission is to help clients to "Build better software".
We are passionate about working with clients to transform their development and infrastructure teams to become cloud-native. Our supportive culture will open up various opportunities for you to develop your knowledge and skills whilst providing opportunities to connect with a range of IT professional networks. We believe in mutually beneficial professional working relationships and your employment with us is no exception.
For information about us visit
About the role
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. 

Daily rate:   $1000 to $1150 per day plus super depending on experience

Responsibilities will include:
  • 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)

Essential Skills Required:
  • 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).

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 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. 

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