Own and evolve a business-critical retail POS platformHands-on role across Java, Spring and ReactProgress towards technical leadership or architectureSenior Software Engineer - Java, Spring & React Melbourne | Hybrid | PermanentOwn and evolve a business-critical retail POS platformHands-on role across Java, Spring and ReactProgress towards technical leadership or architectureThe opportunityWe'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.What you'll be doingDesigning and developing backend services using Java and SpringBuilding and improving user-facing applications with ReactTaking ownership of components across POS, back-office and store environmentsIntegrating with ERP systems, payment gateways,



loyalty platforms and enterprise applicationsSupporting reliable transaction processing across distributed systemsInvestigating production incidents and leading root cause analysisImproving CI/CD pipelines, testing, releases and deployment automationMonitoring performance, reliability and platform capacityContributing to architecture and technical decision-makingMentoring engineers and collaborating with technical and business stakeholdersWhat we're looking forStrong commercial experience with Java and SpringFrontend development experience using ReactExperience with APIs, integrations and distributed systemsConfidence working with complex, production-critical platformsFamiliarity with CI/CD tooling such as Azure DevOps and GitSolid database, performance and troubleshooting knowledgeStrong communication and stakeholder management skillsExperience 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.Why consider this role?
You'll have genuine ownership of a high-impact platform used across a large retail network, with the chance to solve complex engineering challenges and progress towards broader technical leadership or architecture.
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📌 Senior Engineer / Tech Lead (Melbourne)
🏢 Halcyon Knights
📍 Melbourne