Sr Java Developers (Baseline) - Canberra

Ayan Infotech; Canberra; On-site; AUD 11,021,000 - 15,154,000; Full time

Job summary

Ayan Infotech is urgently seeking two Senior Java Developers for a long-term contract in Canberra. The role focuses on Java, AWS and Oracle components with a hybrid work setup. It requires 8+ years of Java experience, enterprise patterns, and a baseline security clearance.

Candidates must be able to be present in Canberra for initial months; travel expenses are not covered. You will work in a small team of skilled developers including .NET specialists, delivering cloud/back-end solutions and

Qualifications

• 8+ years of Java experience with enterprise design patterns.
• Experience with Java Web services (SOAP/REST) and OpenAPI/XSD schemas.
• Proficiency in AWS development and Oracle DB integration.
• Solid experience with ReactJS UI components.
• Strong Unix/Linux, Bash scripting skills.
• Proficiency in CI/CD with Jenkins, Git and Maven/Ant.
• Excellent communication and collaboration with cross-functional teams.
• Able to work in a hybrid model with on-call requirements.

Responsibilities

• Develop enterprise-grade software using Java and Oracle technologies.
• Design and implement RESTful services and APIs.
• Build web UI components with ReactJS, CSS, and HTML.
• Model data and implement in Oracle DB.
• Maintain CI/CD pipelines and automate deployments.
• Provide on-call support as part of a roster.

Skills

Java

Spring/SpringBoot

REST APIs

AWS

JPA/Hibernate

Oracle DB

ReactJS UI

Unix/Linux

Tools

Jenkins

Git

Maven/Ant

Job description

Ayan Infotech are urgently looking for 2 * Senior Java Developers for long term contract job opportunities in Canberra.

Due to the nature of the work involved, we can only consider applicants who are Australian Citizens and hold a baseline security clearance.

Title: Senior Java Developers - 2 positions

Type: Contract (12 months + 2 *12 months extensions possible)

Location: Canberra (Candidates from other locations can be considered as long as they can be present in Canberra for initial months due to the complex nature of the program - the department will not pay for travel costs of contractor)

Nature of work: Hybrid

Required Skills and Experience:

The System consists of multiple components built on various technologies/languages (.NET, Java, AWS, Oracle PL/SQL, ArcGIS) providing users the capability to perform their operational business functions. This role will focus on supporting, maintaining and developing solutions for cloud and back-end Java/AWS/Oracle components. The 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 our external clients/partners.

The selected candidates will work in a small team of highly skilled Java and .NET developers/SME's with years of business knowledge that all contribute to out in-house support of this complex system.

You will:

• 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 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.
• Must hold a baseline security clearance.
• 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).

Submissions close: Monday, 10 August 2026 11:59pm Canberra Time (the client can close submissions before this date without further notice)

Contact: 02 9412 4178 for more details.

www.ayaninfotech.com