senior java backend engineer java 21 spring boot

Job Title: Senior Backend Developer - Java & Cloud Skills: Java, Spring boot, microservices, AWS, AI/ML-enabled development or modern developer tools Location: Sydney and Brisbane Employment Type: Full-Time Role Summary The Senior Backend Developer will be responsible for designing, developing, testing, deploying, and supporting integration solutions across...

Macquarie Group is seeking an experienced Java-focused software engineer to design, develop, test and support backend services. You will analyze business and technical challenges, delivering reliable software solutions and contributing to new applications, feature enhancements and migrations.The role involves working with modern Java features, Spring Boot,...

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,...

black.ai is looking for a Senior Backend Engineer to join their Product Platform Supergroup. In this role, you will design scalable shared services and improve product delivery. The ideal candidate has over 6 years of experience in backend development and proficiency in Java or similar languages.Great benefits include equity packages, inclusive parental...

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...

uniquehire is seeking a backend Java 21 developer to design, build, and maintain RESTful APIs and microservices. You will align APIs with TM Forum Open API standards and deploy cloud-native apps on AWS.You will collaborate with architects and cross-functional teams, implement security and performance optimizations, containerize with Docker, and maintain...

Coforge in Brisbane is seeking an experienced Senior Backend Developer with strong expertise in scalable, cloud-native, and microservices-based applications. You will design, develop, and optimize backend services for high-performance systems using Java and modern frameworks.The role emphasizes hands-on backend development with Java/Spring Boot, event-driven...

Experis ManpowerGroup Sp. z o.o. is seeking a Senior Developer with Java and Spring Boot to join a Federal Government project delivering critical digital services.The role combines hands-on development with technical leadership in an Agile, collaborative team. The position is a 12-month initial contract with hybrid working, based in ACT or NSW, 40 hours per...

XPT Software Australia Pty Ltd in Sydney is seeking a GraphQL Developer to design, develop, and maintain scalable GraphQL APIs and Java-based backend services. You will build reusable schemas and data access layers, and implement REST and GraphQL integrations with enterprise systems.The role focuses on microservices, cloud-native patterns, API security, and...

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....

We’re looking for a Senior Full Stack Java Developer to join a high-performing technology team delivering secure, large-scale enterprise applications and data platforms.This is an opportunity for an experienced software engineer who enjoys staying hands‑on while also taking ownership of technical solutions, architecture and delivery. You’ll be working...

Canva is hiring for a senior backend engineer in Sydney to scale Canva’s User Platform. You’ll work on essential authentication and user-management systems, collaborating with cross‑functional teams to deliver scalable backend solutions.You’ll focus on concurrency, data structures, and design patterns while supporting Enterprise and Education...

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...

Location: Sydney, NSWExperience: 8–12+ YearsEmployment Type: ContractWe are looking for an experienced Senior Java Developer to join our growing technology team in Sydney. The ideal candidate will have strong hands‑on experience in Java‑based application development, system design, and modern frameworks, with the ability to mentor junior developers and...

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 Stack Java, Spring Boot, REST APIs, Gi tRequired Skills & Experien ceExperience developing applications using Ja va and Spring Bo o t.Understanding of REST A PI design...

Ethos BeathChapman in Sydney is seeking a mid-level backend engineer to help deliver large-scale transformation projects within its Cash and Transactional Banking technology team. You’ll work in a fast-paced Agile environment, developing secure and scalable backend services that support critical banking platforms.You’ll design, develop and maintain...

Join a team of high performing engineers in Customer Entitlements where we are building a revolutionary platform leveraging cutting-edge technologies like DSE Graph and Apache Cassandra, that will provision, determine and maintain the account access and permission of Banking and Financial Services customers in near real-time. We are building a strategic...

Flybuys is hiring a Software Engineer – Mobile Backend in Melbourne to design, build and maintain large-scale web and API applications on AWS. You’ll collaborate with cross-functional teams to ensure performance, security and reliability of critical systems.The role requires Java, Spring Boot and AWS experience, plus familiarity with React/Node.js and...

The Network Technology Recruitment in Canberra, ACT, AU seeks a Senior Full Stack Java Developer to join a major Federal Government program delivering mission-critical applications and large-scale data platforms in a secure Azure environment.You will contribute hands-on backend development with design-to-production ownership, working with Java/Spring Boot...

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...