senior java software engineer jobs in Sydney

A leading tech company is seeking a Senior Software Engineer to enhance their product experience with Kotlin Multiplatform. The role includes optimizing existing functionalities, collaborating with product teams, and shipping lightweight backend services. Ideal candidates should have strong systems thinking, speed in execution, and the ability to work...

Finder is hiring a Senior Software Engineer to lead engineering of our product data stack, spanning UI, service, and data tiers. You will drive AI tooling and agentic delivery, mentoring peers while maintaining high uptime and performance in a production environment.You will contribute across the stack, guide projects, and uphold our values of empowering...

Senior AI Software Engineer - 12 month fixed termFull-timeDepartment: TechnologyLendi Group is a market-leading digital platform business that is focused on revolutionising the entire property journey. It operates Lendi - Australia's original and #1 digital mortgage brand - and the iconic Aussie franchise.Powered by our proprietary AI platform, a national...

Ethos BeathChapman is seeking a Senior Software Engineer to design, build and improve digital platforms in a hands-on, full-stack role. You'll deliver scalable, reliable solutions across a modern technology stack in an Azure-oriented environment.You will work with product teams, engineers and stakeholders to translate requirements into robust APIs, front-end...

Catalyst Funds Management in Sydney is seeking a Senior Software Engineer to develop high-performance, scalable software for investment technology. You'll work closely with portfolio managers and traders, addressing complex engineering challenges.The ideal candidate will have 5+ years of experience, strong programming skills, and a passion for continuous...

Senior Automation/ Software Engineer - Ansible, Python- Major BankA major bank in Sydney is seeking a Senior Automation Engineer with strong hands on software development experience as well as ansible and python to join their team on a permanent basis.ResponsibilitiesDesign deploy, operate, and enhance the software platforms and automation systems that...

1GLOBAL in Sydney, Australia is seeking a Senior Software Engineer to join our Network Automation Unit. This software-first role focuses on turning complex network and telecom workflows into reliable internal platforms, automation systems, and test capabilities.You will work with telco teams, validate AI-assisted outputs, and deliver robust, production-safe...

A leading IT consultancy in Sydney is seeking a Team Lead Recruitment for a contract role in IT Recruitment. This mid-senior level position requires proven cloud-native development experience, strong programming skills in C#, React, and TypeScript, and leadership capabilities. Candidates will drive architectural decisions, mentor engineers, and foster a...

x15ventures within CommBank's AI Venturing group seeks experienced full-stack engineers to design and ship AI-powered products for our ventures. You will partner with product and AI specialists to move ideas from whiteboard to working pilots, balancing speed with engineering rigor and risk management.Join a fast-moving team that collaborates across Core...

ActronAir is seeking a Senior Embedded Software Engineer to own the software running on the electronics that control our HVAC systems. Based at the Marsden Park office, you will design, develop and support embedded systems and the validation tools that make them possible.You will lead architecture and firmware development across RTOS-based environments, work...

Fetch is building AI-driven solutions to improve pet health and veterinary efficiency. As a senior engineer, you'll architect and ship high-impact features, own technical decisions, and mentor others using TypeScript, React, Next.js, NestJS, and GCP.You'll collaborate with product, design, and leadership in a hybrid Sydney team, turning AI into reliable...

Neara is seeking a Senior Software Engineer to design and implement features across Digitisation, Platform, and Design teams. You will work on generating digital twins from diverse data sources, building robust APIs, and analyzing network resilience under extreme weather.The role offers flexible working arrangements with an office in Redfern, Sydney. You...

Job DescriptionAbout the RoleWe are looking for a Senior Software Engineer to own and evolve our client transition capability across Registry, Managed Funds, and Employee Share Schemes (ESS).This is a hands‐on role focused on designing and building the systems that power large-scale data migrations, while taking end-to-end ownership of migration delivery....

Avant is Australia's leading medical defence organisation, supporting medical professionals for over 130 years. PracticeHub, part of the Avant Group, aims to simplify the day‐to‐day running of medical practices through a modern platform.This hands‐on role blends technical leadership with hands‐on engineering across the stack (.NET C#, Azure, SQL...

Nuix is growing an AI engineering team in Sydney to own Enrich, our AI data‐enrichment product, and build AI capabilities into the Nuix Neo platform. As a Senior Software Engineer you will take features from design to done, raise non‐functional quality, and mentor junior engineers across a cross‐time‐zone team.You will work on Java, Python and...

At Zipline, our modern HealthTech, loved SaaS products are in growth modeWe've got meaningful product work ahead, big Aussie customers relying on us, and a team obsessed with shipping fast, smart, customer-impacting software.We're after a very particular type of engineer... Not a code-shipper. Not an architecture physicist...But a product builder.Why...

Come change the way the world uses the Cloud! At AWS Professional Services Products and Solutions, we don't just support cloud transformations — we accelerate them. Our team builds the internal products and tools that empower AWS consultants to deliver faster, smarter, and more impactful customer outcomes. At the heart of our work is a knowledge base that...

Who We Arex15ventures operates in the space between corporate and startup. We help build and scale digital ventures, giving teams the freedom to move quickly while maintaining the safety, security and resilience expected of businesses connected to CommBank.Who We Arex15ventures operates in the space between corporate and startup. We help build and scale...

A leading financial services firm is seeking a Software Engineer III to enhance their software engineering team. You will design and deliver technology products that support business objectives while working in an agile team. The ideal candidate should have a Bachelor's degree and 3+ years of experience in software development, focusing on system design and...

We're looking for a T-shaped engineer who can move fluidly across web and mobile platforms while operating within a modern, AI-augmented software development lifecycle. You'll build and ship production-grade applications using React and React Native, while leveraging AI tooling to accelerate design, development, testing, and deployment. Experience in telco...