senior java backend engineer java 21 spring boot

Ambush is seeking a hands-on Backend Engineer in Perth to design and build scalable services with Java (17–25) and Spring Boot, delivering RESTful APIs and GraphQL to power our applications.You will deploy with Docker and Kubernetes on AWS or similar clouds, integrate with PostgreSQL and Kafka for event-driven systems, and collaborate with frontend and AI...

Ambush is a people-first company building meaningful products and lasting partnerships in a collaborative, outcomes-oriented environment. We seek a skilled Java backend engineer to design scalable services using Spring Boot, REST, GraphQL, and modern cloud-native tooling.You will work with Docker and Kubernetes, leverage AWS, and integrate with PostgreSQL...

A leading recruitment agency is seeking a passionate Software Engineer, focusing on back-end development in Newcastle, NSW. The ideal candidate will possess over 3 years of experience and relevant qualifications. Key responsibilities include writing code, building APIs, and collaborating with teams. Skills in SQL, Java ecosystem, and web security are...

United States Digital Space LLC is seeking a founding backend engineer to take ownership of the Java/Spring backend and drive architectural decisions. You will guide the codebase, deployments, and day-to-day operations, shaping the product direction and ensuring scalable, robust services.You'll collaborate with an offshore team in a bilingual setting, design...

Ambush in Melbourne is seeking a senior backend engineer to design and build scalable services in Java with Spring Boot. You will develop RESTful and GraphQL APIs, implement containerized deployments with Docker and Kubernetes, and work with AWS cloud infrastructure and PostgreSQL databases.Strong communication in English is essential for effective...

Coforge in Australia seeks a Senior Backend Developer specializing in Java and cloud to design, code, test, and deploy integration solutions across applications and partner systems. The role uses Java, Spring Boot, Kafka, REST APIs, and microservices to build scalable services.The position emphasizes AI-assisted tooling, code generation, automated reviews,...

We are seeking an API Developer with Java and Spring Boot experience to design and develop reliable RESTful services. The successful candidate will work to deliver scalable and secure APIs in a collaborative, cross-functional environment.You will design, develop, test, and maintain RESTful APIs using Java and Spring Boot, build scalable microservices, and...

Cforge is seeking a senior Java engineer in Sydney to lead development of enterprise applications. The role focuses on core Java, Spring Boot microservices, and AWS deployments, with emphasis on observability and scalable architectures.You will work across AWS services including EKS, S3, EFS, and PostgreSQL, implementing Infra as Code with Terraform and...

XPT Software Australia Pty Ltd | ContractSydney, Australia | Posted on 08/24/2026XPT 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...

XPT Software is seeking a senior software engineer in Melbourne, Australia, to design and build scalable backend services. You will work with Java 8+, RESTful APIs, microservices, and Spring Boot, collaborating with cross-functional teams to deliver robust software solutions.Candidates should have 5–10 years of hands-on experience, strong SQL skills, Git,...

We are seeking an experienced Senior Java / J2EE Developer to design and build scalable, cloud-native microservices.Mandatory RequirementsStrong proficiency in Java 8+ and J2EE (Servlets, JSP, JPA, JMS)Hands-on experience with Spring Boot 3.x (Spring MVC, Spring Data, Spring Security)Strong experience building RESTful APIs and microservicesSolid...

Synechron is seeking a Java AI Engineer to design, develop, and deploy scalable AI-enabled applications. You will work with Java, Spring Boot, and microservices to build AI-driven enterprise solutions, integrating Claude, OpenAI, and other LLMs.The role involves implementing RAG patterns, agentic AI, and cloud-native architectures. You will collaborate with...

eTeam in Melbourne is seeking an experienced Java/Spring backend developer to design and implement scalable microservices and RESTful APIs within an Agile team. You will work with Architects and Tech Leads to deliver robust software solutions.Strong automation culture, CI/CD pipelines, and cloud with AWS are required; financial services experience is a plus,...

Tata Consultancy Services in Sydney is seeking a Senior API Developer to design and build high-quality RESTful APIs using Java 21, Spring Boot 3.x, and OpenAPI 3.0. You will author and maintain OpenAPI contracts, integrate with Mesh services via WebFlux/WebClient, and contribute across testing, deployment, and documentation.You will collaborate with QE...

Viable Solutions Pty Ltd is seeking an experienced Java Spring Boot Developer to design, build, and maintain scalable backend services for enterprise clients. You will create Java-based microservices and REST APIs using Spring Boot, ensuring high performance and reliability in an Agile environment.Key responsibilities include developing microservices,...

A prominent IT consultancy firm in Sydney is seeking an experienced Technical Lead to spearhead the development of high-performance applications. The ideal candidate will have a minimum of 10 years of experience, expertise in Java and Spring Boot, and a solid understanding of software development methodologies. This position offers a competitive salary,...

XPT Software Australia Pty Ltd is seeking a skilled Java Developer to join our Sydney team on a contract basis. You will design and build scalable applications using Java, Spring Boot, and microservices, delivering high-quality code and robust APIs.You will collaborate with cross-functional teams, participate in Agile ceremonies, and contribute to CI/CD...

We are recruiting two Senior Java Software Engineers to join a global mining equipment and technology OEM, working on sophisticated fleet management software used across large-scale underground mining operations. These are initial 12-month contract positions, with a strong possibility of extensions for high-performing contractors due to a significant product...

Job DescriptionJoin the team redefining how the world experiences design.Hey, g'day, mabuhay, kia ora,你好, hallo, vítejte!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...

Job DescriptionJoin the team redefining how the world experiences design.Hey, g'day, mabuhay, kia ora,你好, hallo, vítejte!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...