Job Description

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- Own and evolve a business-critical retail POS platform
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- Hands-on role across Java, Spring and React
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- Progress towards technical leadership or architecture
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Senior Software Engineer - Java, Spring & React Melbourne | Hybrid | Permanent

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- Own and evolve a business-critical retail POS platform
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- Hands-on role across Java, Spring and React
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- Progress towards technical leadership or architecture
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The opportunity

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We're partnering with a large organisation seeking a Senior Software Engineer to help own and evolve a critical POS platform operating across an extensive national store network. Working across Java, Spring and React, you'll contribute to the development, stability and scalability of POS, back-office and wider store systems. The role combines hands-on engineering with complex integrations, production problem-solving and technical leadership. This would suit a strong Senior Engineer ready for greater ownership or a hands-on Tech Lead looking to influence architecture and engineering standards.

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What you'll be doing

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- Designing and developing backend services using Java and Spring
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- Building and improving user-facing applications with React
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- Taking ownership of components across POS, back-office and store environments
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- Integrating with ERP systems, payment gateways, loyalty platforms and enterprise applications
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- Supporting reliable transaction processing across distributed systems
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- Investigating production incidents and leading root cause analysis
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- Improving CI/CD pipelines, testing, releases and deployment automation
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- Monitoring performance, reliability and platform capacity
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- Contributing to architecture and technical decision-making
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- Mentoring engineers and collaborating with technical and business stakeholders
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What we're looking for

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- Strong commercial experience with Java and Spring
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- Frontend development experience using React
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- Experience with APIs, integrations and distributed systems
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- Confidence working with complex, production-critical platforms
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- Familiarity with CI/CD tooling such as Azure DevOps and Git
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- Solid database, performance and troubleshooting knowledge
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- Solid communication and stakeholder management skills
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Experience with retail or POS systems, ERP integrations, payments or loyalty platforms would be highly regarded. Exposure to observability tools, scripting, automation, Windows/Linux environments or infrastructure fundamentals would also be beneficial.

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Why consider this role?

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You'll have genuine ownership of a high-impact platform used across a large retail network, with the opportunity to solve complex engineering challenges and progress towards broader technical leadership or architecture.

📌 Senior Engineer / Tech Lead (Victoria)
🏢 Halcyon Knights
📍 Victoria