senior java software engineer jobs in Sydney

Macquarie Group is hiring a senior software engineer to lead AI-enabled backend development in our enterprise AI enablement team. You will own architecture, design, development, testing and operations to deliver robust, scalable systems powering AI-native solutions.You will work closely with data scientists to implement LLMOps practices, automate complex...

VivCourt in Sydney is seeking software engineers who love solving complex problems at the intersection of trading and technology. You'll contribute to systems that power every trade, from data processing to risk analytics, sitting close to traders or within platform teams.We value collaboration and curiosity; expect to work on automation, AI-driven...

Nine is seeking a Senior Software Engineer for the Digital Archive in North Sydney. You will lead the foundational design of an AI-powered suite that makes 195 years of Australian broadcast history accessible to internal creators and external markets.This 12-month contract centers on scalable architecture, cloud integration, and mentoring engineering teams....

We’re hiring: Senior AI Engineer / Senior Software Engineer – Enterprise AI | Banking & Financial Services Sydney-based | 3 days on-site required Maltem Australia is looking for a Senior AI Engineer to join a leading Australian financial services organisation and help deliver its ambitious AI-first strategy. You’ll join an Enterprise AI Enablement...

This is a hands-on Senior Software Engineer (Full Stack) role building the future of how Australians invest. You'll build and evolve the customer-facing products that help people move money, invest, and genuinely understand how their investments are performing. What you build is experienced every day by our customers and the quality of your work is directly...

We're on a mission to be a Force For Good, through our People, Products and Purpose at Nuix. Nuix is one of the greatest comeback Technology success stories in Australia, and we're making massive waves each day. Nuix is, and will be, a pioneer in the Australian Technology space, and we're carrying the torch on what "good" looks like. This extends to our...

Domain is seeking a Senior Software Engineer to design, build and evolve the CRE platform, collaborating with product, design and engineering to deliver scalable, reliable software powering Domain's commercial property marketplace.You will mentor engineers, shape system architecture, and advocate best practices across CI/CD, TDD and testing, while delivering...

DMSi is seeking an experienced Java Developer to design, develop, and maintain reusable components and shared frameworks powering ERP apps. You will drive architectural patterns for multi-tenant SaaS, optimize performance, and uphold security standards across the ecosystem. Join a team focused on innovation and customer success, collaborating with product...

Leaders IT in Sydney is seeking an experienced Java software engineer to design, build, and operate microservices-driven solutions. You’ll contribute across the full delivery lifecycle, from design through documentation to production support, ensuring security and quality standards. You will work with Spring/Spring Boot, cloud-native services...

ALOIS Australia is seeking a Senior Software Engineer with deep C#/.NET, React/TypeScript, cloud, and Agentic AI expertise to design, build, and operate scalable APIs and microservices. You will work on production-grade conversational platforms and AI workflows, delivering robust, secure solutions.This contract role requires 8+ years of experience, hands-on...

Fair Supply, Sydney-based startup, is seeking a Senior Software Engineer to own complex, data-heavy features across our Next.js/TypeScript stack and the underlying data layer. You’ll take problems from rough idea to production, shape architecture, and ensure code quality in a small, autonomous team.You’ll work with AI-first tooling, graph databases, and...

Optiver is seeking a Senior Software Engineer to join Critical Engineering APAC in Sydney. You will design, build and operate components of the APAC platform, writing production-grade C++ for real-time, low-latency services.You will set technical direction and collaborate across domains to deliver resilient trading systems. The role requires 5+ years in...

Advanced Navigation, based in Sydney, seeks a Senior Embedded Software Engineer for the Software Platforms team. You will develop embedded C/C++ software for navigation products, collaborate with hardware engineers, and contribute to real-time firmware across bare-metal and RTOS environments. You will own components, drive design improvements, review work,...

ShiftCare is seeking a Software Engineer – Integrations to work remotely with our growing engineering team. You will design and implement integration points with third-party platforms, APIs and microservices to extend our SaaS ecosystem. The role emphasizes high quality delivery in an Agile/DevOps environment and hands-on coding across backend and...

Drive global innovation with an industry leader in material handling and software engineering Test high quality software for large scale warehouse automation projects Be more than just a Tester: engineer end-to-end warehouse solutions that integrate material handling systems with state-of-the-art software Collaborate with innovative project engineers and...

UpGuard is hiring a Senior Software Engineer to own a feature area within our Product Engineering team. You will design, implement and productionize key capabilities, mentoring engineers and shaping what we ship for customers who rely on us to understand cybersecurity risk.You'll work with React/TypeScript on the frontend and Go services with Postgres on...

MongoDB in Sydney is growing the App Analysis & Modelling team to deliver code analysis, schema recommendations, and AI-powered insights that help customers modernise applications. You will help build scalable backend services and APIs while collaborating with product and design to ship cutting‑edge features.The role suits mid (3–5+ yrs) or senior (5+...

We are looking for an experienced Senior Software Engineer to join our team on an initial 3-month contract to support, maintain and further develop an existing SaaS application. This is a hands-on technical role requiring a minimum of 5 years’ relevant commercial software engineering experience, with a strong focus on backend systems, data integrity,...

Advanced Navigation is the world’s most determined innovator in AI robotics and navigation technologies across land, air, sea and space applications.Founded on a culture of research and discovery, Advanced Navigation's mission is to be the catalyst of the autonomy revolution. Fields of expertise include artificial intelligence, underwater sonar, GNSS,...

Company DescriptionNine is Australia’s largest locally owned media company. We are home to premium, trusted news, sport and entertainment. Nine's assets span free-to-air television, free and paid streaming, publishing and digital audio, and digital outdoor and retail media. Our content reaches almost every Australian - meaning what we do has real impact....