We're seeking an experienced Principal Java/Bespoke Software Engineer to join a high-performing technology team supporting a mission-critical operational platform.
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About the Agency
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Our client is a large Federal Government agency delivering critical services to Australians. The organisation operates complex enterprise systems and invests heavily in modern technology platforms to support nationally significant operations.
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Key Responsibilities
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As a Principal Engineer, you'll play a key role in the ongoing support, maintenance and enhancement of a complex enterprise application workplace. Working alongside highly skilled developers and subject matter experts, you will contribute to the design, development and operation of business-critical solutions across Java, AWS and Oracle technologies.
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- Developing and maintaining enterprise-grade Java applications and integrations
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- Designing and implementing scalable cloud-based solutions using AWS
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- Supporting Oracle database development, integration and optimisation
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- Contributing to DevOps, CI/CD and release management activities
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- Producing technical documentation and providing expert technical advice
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- Participating in a shared on-call support roster for critical applications
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About You
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You are a senior software engineering professional with extensive experience delivering complex enterprise solutions in large-scale environments. You enjoy solving challenging technical problems and are comfortable operating as both a hands-on developer and trusted technical adviser.
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You will bring:
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- Min 8 years Java experience, enterprise design patterns, JPA, Hibernate ORM, JEE an advantage, reactive programming an advantage.
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- Java Web service development, SOAP and REST APIs, OpenAPI/XSD Schemas, XML/JSON, Spring/SpringBoot.
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- Experience with AWS services such such as EC2, Lambda, API Gateway, S3 and SQS
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- Strong Oracle database and PL/SQL capability
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- Experience with REST and SOAP integrations, OpenAPI and enterprise messaging
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- Working knowledge of Jenkins, Git, Maven and DevOps practices
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- Willingness to be 24x7 on-call (rare, approx. once per year).
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- Excellent written and verbal communication skills
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- MUST HAVE Australian Citizenship and Baseline Security Clearance
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If you're looking for a long-term opportunity where your work will genuinely make a difference, we'd love to hear from you.
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📌 Principal Java/Bespoke Software Engineer (Developer) (Canberra)
🏢 On Q Recruitment
📍 Canberra
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