senior java backend engineer java 21 spring boot

Join our client, a leading payment services provider, as a Lead Java Software Engineer responsible for leading backend engineering across their high-scale payment gateway. In this role, you will architect and develop Java microservices that authorise and settle card payments at massive scale, ensuring seamless, reliable transaction processing globally. Key...

Job Description: Senior Developer – Java / AWS / MicroservicesPosition SummaryWe are seeking a highly skilled Senior Developer with strong expertise in Java, Microservices Architecture, API Development, and AWS Cloud Technologies. The ideal candidate will be responsible for designing, developing, and maintaining scalable, secure, and high-performance APIs...

XPT Software Australia Pty Ltd | ContractSydney, Australia | Posted on 08/11/2026XPT SoftwareAustralia PTY Ltd, incorporated in 2016, is a Software Services companyXPT works with topclients across Australia in Banking, Insurance, Telecom,Retail, Energy, Mining and Manufacturingdomains.We have 120+technocrats in Australia working at our clientlocations. XPT...

The HR Ally is seeking a Senior BackEnd Engineer to join our Sydney team. You will design and build production-grade microservices using Java (11+) and the Spring ecosystem, implement RESTful APIs, and manage data with SQL databases in a cloud-native environment.You will work with Docker/Kubernetes, CI/CD pipelines, and message brokers like Kafka,...

Job Description Senior Backend Engineer — Product Platform Supergroup (SG) The Product Platform SG builds Canva’s shared product foundations across the Client Platform, Application Platform, and Product Insights Enablement (PIE). As a Senior Backend Engineer you will design and implement scalable shared services, internal apps, and platforms that...

Full-timeRecruitment type: Permanent Job Description Join the team redefining how the world experiences design. Thanks for stopping by. We know job hunting can be a little time consuming and you’re probably keen to find out what’s on offer, so we’ll get straight to the point. Where and how you can work Our flagship Sydney campus is uniquely Canva –...

Join our digital engineering team and help solve interesting problems for our colleagues and customers. We're on a mission to be Australia's #1 digital bank and our team's platforms interact with our customers daily, so there's huge opportunity to innovate and solve problems with the latest cloud technologies.At Macquarie, our advantage is bringing together...

12 Month Federal Government Contract + 2 x 12 Month Extension Options NV1 Security Clearance Required Bridge IT Engineering is partnering with a major Federal Government client seeking multiple Senior Azure Java Stack Software Engineers (Developers) to support a mission-critical national intelligence platform. About the Role This is a senior, hands-on Full...

The project is part of the Credit, Asset-backed & Securitized Products (CASP) division of an investment bank, focusing on platforms that support securitization and structured finance products. The current primary objective is migrating existing on-premise systems to a modern Microsoft Azure cloud environment, transforming legacy architecture into scalable,...

Design and build scalable Java microservices and REST APIs using Spring Boot, supporting enterprise applications and digital platforms. 01st September, 2026 Company DescriptionShowtime Consulting is a leading provider of Shielded Cloud and Digital Solutions across Australia and New Zealand. We specialise in delivering secure, enterprise-scale technology...

Balance Recruitment is seeking a Lead Java Software Engineer for a leading payments provider. You will architect and build Java microservices (Java 17, Spring Boot 3.x) to authorise and settle card payments at scale, ensuring global reliability.You will mentor engineers, conduct PR reviews, and drive AI-assisted coding adoption using Claude Code CLI, while...

Tata Consultancy Services in Sydney is seeking a skilled developer proficient in Java and Spring Boot to join their sustainable solutions team. The role emphasizes innovation and collaboration to build scalable web applications and secure APIs in a cloud environment.The ideal candidate will possess significant experience with cloud services like AWS, a solid...

Our Technology team supports Commodities and Global Markets by developing and enhancing a range of trading, risk, transaction and data platforms. We work collaboratively to deliver reliable, high-performing technology solutions that support business outcomes. We are a global financial services group operating in 30 markets with 57 years of unbroken...

Tech Mahindra (formerly Mahindra Satyam) is looking for a skilled developer in Melbourne to work on telecom applications focused on service provisioning and activation. The successful candidate will develop backend REST APIs in Java using Spring Boot, conduct peer code reviews, and write comprehensive unit tests. Key skills include Core Java, Advanced Java,...

Sportsbet Pty Ltd in Melbourne is seeking a Junior Software Engineer (Java) to join our Betting Product Technology team. You will design and build reliable, scalable backend services and contribute to maintainable, high-performance systems in a fast-paced tech environment.You will work across teams to uplift engineering standards, own CI/CD pipelines, and...

Senior Software Engineer Java Melbourne Daily-rate contract Greenfield project We are partnering with a large scale digital organisation to find a Software Engineer with strong backend expertise in Java and distributed systems. This role sits within a high performing engineering team responsible for building and evolving critical customer facing platforms...

We are seeking an API Developer with Java and Spring Boot experience to design and develop APIs. The successful candidate will work to deliver reliable RESTful services.Primary Technology StackJava, Spring Boot, REST APIs, GitRequired Skills & ExperienceExperience developing applications using Java and Spring Boot.Understanding of REST API design principles...

We are seeking a Java Full Stack Developer with AWS expertise to design, develop, and maintain scalable web applications. Sydney Contract - 6 months + extendable Hybrid - 3 days WFO Full Australian working rights The ideal candidate should have strong experience in Java, Spring Boot, Microservices, REST APIs, Angular/React, and AWS cloud services....

Join a globally recognised business in the electrical industry North Ryde Location- Hybrid working and brand new offices (with parking & gym!) Be a part of making a sustainable future possible 12-month contract to support our Webshops Company Description Rexel Australia is one of the leading Electrical Wholesale and Distribution companies in the world and...

We are seeking a highly skilled Java AI Engineer with strong expertise in Java, Spring Boot, and modern AI technologies, including Claude, OpenAI, Large Language Models (LLMs), Agentic AI, RAG, and AI-powered application development. This role will be at the forefront of building next-generation intelligent applications by combining enterprise-grade Java...