staff java backend developer jobs in Sydney

07th August, 2026 4 month contract NSW Government Parramatta location - hybrid working $1155 per day  Seeking a Full Stack Developer for aa 4 month contract with experience in and in-depth knowledge of management of applications, databases (SQL/NO SQL) and infrastructure. Strong application development experience using front end technologies such as...

Job Title: Staff AI Platform EngineerLocation 📍: Sydney, AU, Hybrid (3 days in office required)About Us 🚀At Relevance AI, we’re building the home of the AI workforce.Our mission is simple: empower every team to delegate meaningful work to AI agents that think, act, and collaborate like experts.With Relevance AI, anyone can create and manage...

Company DescriptionJoin 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.Job DescriptionAbout the TeamOur Distribution team sits at the intersection of AI and developer platforms — two of...

Title: Java Developer Location: Sydney Permanent Role. Skill 📌 Job Title Java Developer with AWS 🛠️ Responsibilities Design, develop, and maintain scalable backend applications using Java (Core, Spring Boot, Microservices). Build and integrate RESTful APIs with AWS cloud services. Deploy, monitor, and optimize...

Overview WELCOME TO SITA At SITA, we keep airports moving, airlines flying smoothly, and borders open. Our technology and communication innovations power the success of the global air travel industry. You'll find us in 95% of international airports, working closely with over 2,500 transportation and government clients. Each partnership brings unique...

🗂 We’re Hiring: QA Tester / Automation Engineer 🕒 Employment Type: Full-Time 💼 Level: Entry-Level to Mid-Level We are seeking a detail-oriented, analytical, and quality-focused QA Tester / Automation Engineer to help ensure the reliability, performance, and quality of our software products. This role is ideal for professionals who are passionate...

Developer II | Full Stack Engineer (Java, Kotlin, React, AWS) Location: Remote, Australia (NSW Preferred) Contract: Initial Contract through January 2027 with potential extension subject to business requirements and performance Start: ASAP About the Company Join a globally recognised technology organisation that develops industry-leading...

he GraphQL (GQL) Developer is responsible for designing, developing, maintaining, and supporting scalable API and integration solutions using GraphQL and Java technologies. The role will work closely with application, platform, cloud, and architecture teams to deliver secure, high-performing, and reusable services that enable digital modernization and...

Riot engineers bring deep knowledge of specific technical areas but also value the opportunity to work in many broader domains. As a Staff Software Engineer at Riot, you’ll also dive into projects that focus on team cohesiveness and cross-team goals. You’ll lead without authority and provide other engineers with a clear illustration of extraordinary...

As a Staff Software Engineer on an unpublished R&D project, you will architect the foundational social and store systems for one of Riot’s Unpublished R&D products. You will work closely with leadership, Product, and UX Design to set the long-term technical vision for engaging social and purchasing systems. In this role, you will lead the vertical...

DescriptionAWS Global Sales drives adoption of the AWS cloud worldwide, enabling customers of all sizes to innovate and expand in the cloud. Our team empowers every customer to grow by providing tailored service, unmatched technology, and consistent support. We dive deep to understand each customer's unique challenges, then craft innovative solutions...

As a **Senior Java Developer** reporting to Director – Software Engineering, you'll take end-to-end ownership of meaningful technical challenges — from understanding requirements to shipping production-ready solutions. You'll work across backend systems, security, and cross-platform development, contributing to both new builds and the evolution of...

Job Description (JD): Senior Backend Engineer Experience & Skills: Experience: 5 years of backend software engineering experience in a professional environment, with at least 2 years building production microservices. Java / Kotlin: Strong proficiency in Java (11 ) and the Spring ecosystem (Spring Boot, Spring Data, Spring Security). Kotlin...

Employment: Permanent Role Experience: 5+ Years Location: Sydney, Australia (Hybrid) Eligibility: Candidates must have full working rights in Australia (Citizen, PR, or Valid Visa holders). Required Skills 5+ years of backend development experience with Java 11+/17+, Spring Boot, Spring Data, and Spring Security. Strong experience...

Employment: Permanent Role Experience: 5+ Years Location: Sydney, Australia (Hybrid) Eligibility: Candidates must have full working rights in Australia (Citizen, PR, or Valid Visa holders). Key Responsibilities Develop and maintain scalable backend microservices using Java (Spring Boot) or Kotlin. Design, build, and support...

Our state government client is hiring Full Stack Developer/Web developer (Node.js, Java & AWS). Ideal candidate must have experience creating Technical Detailed Designs and provide inputs into the Application Architecture as required. Assess viability of designs and propose alternative approaches with due diligence around security, performance, reuse....

We are looking for a Senior API Developer with strong experience in Java backend development, Microservices Architecture, and AWS Cloud technologies. Key Responsibilities Develop and maintain REST APIs and Microservices using Java 21. Develop and enhance APIs aligned with TMForum standards. Build cloud-native applications using AWS services. Ensure secure,...

Developer (Java/Kotlin/React/AWS) Location: Remote/Home Office (NSW, Australia) Contract Duration: Initial contract through January 2027 Employment Type: Contract About the Company Join a globally recognised technology organisation that develops innovative software and collaboration solutions used by millions of customers worldwide. The...

Deputy is a global SaaS workforce management company with hubs in Sydney, Melbourne, San Francisco and London, plus team members working remotely across the United States. Our platform serves over 1.5 million workers and 375,000 workplaces across 100+ countries. We are backed by top global investors and achieved Unicorn status in 2024.    At Deputy,...

Junior Software EngineerSupercharge your career and join FinXL's Associate Program!FinXL Professional Services is a leading IT consultancy that partners with clients to bridge the gap between business needs and technology capabilities. Since 2003, we've been delivering high-value ICT services across government, finance, telecommunications, and enterprise...