senior java backend developer jobs in Sydney

About BlinqBlinq is the AI contacts app for people who meet people.We're on a mission to unlock the world's relationship potential. So much of what's possible in the world is locked inside relationships that never quite happen. A missed conversation, a forgotten follow-up, the right person at the wrong time. We're building so those chances aren't left to...

Job Description The Company Marigold is a fast-growing marketing technology company helping growing businesses build stronger customer relationships through its three core platforms: Emma, Campaign Monitor, and Vuture. We deliver powerful tools for email, SMS, and marketing automation that elevate engagement and drive real results. Marigold is...

Job Description Who is Shift? At Shift, we’re business specialists dedicated to helping Australian SMEs take control of their cashflow, streamline trade terms and choose the right financial products. We believe Australian businesses are the driving force behind our economy and are core to our communities. That’s why our business expertise, focus on...

You are a thought leader in software engineering We are modernising legacy systems and building secure, scalable tech Together we can deliver amazing customer experiences Do work that matters We are building the bank of tomorrow today, which means we need world class engineers to help us deliver enterprise solutions at scale which will make a material...

LEAP Dev in Sydney is seeking a Senior Software Engineer to join the Core Product team. You will design, develop, and maintain backend services in C#/.NET (about 70%) and frontend work with React (about 30%), building RESTful APIs and integrated solutions that scale for legal professionals.You will collaborate with cross-functional teams, apply best...

Westpac in Sydney is seeking a Senior Full Stack Engineer to join Pacific Banking Technology, modernising banking services across Fiji and Papua New Guinea. The role focuses on full stack development with emphasis on cloud, backend integration and designing secure solutions.You will build APIs, microservices and event-based integrations, support cloud...

At Atlassian in Sydney, we seek a Senior Software Engineer to own Teamwork Graph externalization, building API foundations and developer tools that power customer applications and AI agents. You’ll work with Product, Design, and other engineers to turn customer needs into scalable backend solutions, primarily in Kotlin and TypeScript.You will ship APIs,...

Job Title: Full Stack Developer (Java + GraphQL)Location: SydneyEmployment Type: Full-timeRole Overview:We are seeking a skilledFull Stack Developerwith strong expertise inJava Spring Boot,React/TypeScript, andGraphQL. The role involves designing, building, and maintaining scalable, secure, and high-performing applications aligned with Transport’s...

We're Heidi. We're building the future of healthcare by giving every clinician the earth's finest AI Care Partner. In just 18 months, our clinical AI products have absorbed the administrative chaos of 73 million patient visits. Today, we support over 2.5 million patient sessions a week across 190+ countries. Healthcare systems are failing us; clinicians...

Checkbox in Sydney is seeking a Senior Software Engineer focused on Backend Golang to build scalable services and empower our AI-enabled product platform.You will collaborate in a small cross-functional team, shaping architecture with Go, AWS, and REST-first design while delivering high-value features and practical solutions for customers.We value pragmatic...

{\"description\": \" Engineering Manager - Digital (CommBank App- Android/iOS) You're driven to build brilliant, secure, resilient, always-on digital experiences that millions of customers depend on every day. You lead from the front; technically credible, product-minded, and comfortable operating in ambiguity - while growing engineers and lifting the...

Careers Join an expert team building smart and seamless RegTech solutions for non-lawyers Full-Time in Sydney, NSW - Remote (within locations) - Product We’re looking for an AI-native software developer. Not someone who has simply used LLMs, but someone who thinks with them. You are the kind of developer who experiments constantly, builds quickly, tests...

Singapore Telecommunications – Macquarie Park NSW Every day, millions of Australians connect, work, stream, and stay in touch on the Optus network. When it works seamlessly, it's easy to take for granted. But behind it is a team making thousands of decisions every day - decisions that keep people, businesses and communities connected. Right now, Optus is...

Who We Are With its A.I.-powered robotic technology platform, Symbotic is changing the way consumer goods move through the supply chain. Intelligent software orchestrates advanced robots in a high-density, end-to-end system – reinventing warehouse automation for increased efficiency, speed and flexibility.What We Need We are looking for aSenior Frontend...

Senior Software Engineer - AI Enablement Sydney Permanent - Full time, Mid-senior, Senior Join our mission to build the most intelligent, customer-centric bank in Australia! Driven by our AI first strategy, we're creating AI-native solutions and an AI-empowered workforce to deliver best-in-class experiences for over 2 million Australians. You will join our...

**About Airwallex** Airwallex is the AI-native financial operating system for a real-time, intelligent economy. More than 676,000 businesses, including McLaren Racing, Qantas, SHEIN, and TikTok, use us, directly or through our platform partners, to run their financial operations or build and monetize financial products of their own. We started in...

Job Description Principal Engineer – Java | Payments Sydney | Permanent Shape the Future of Payments Engineering A leading financial services provider is investing in the next generation of its real-time payments platform and is looking for a Principal Engineer to help define what's next. This is an opportunity to work at the forefront of modern software...

DescriptionCreate your best future and join Westpac as a Senior Full Stack Engineer. What’s the role? You’ll join Pacific Banking Technology as we modernise the technology supporting banking services across Fiji and Papua New Guinea. Your focus will be full stack engineering, with an emphasis on cloud, backend development and integration, designing...

Overview Technical Business Analyst to join a centralised delivery team supporting multiple major programs for a Tier 1 Financial Services client. This is a 6 Month initial daily rate contract based in the Sydney CBD with flexible working arrangements including up to 2-3 days in the office. Base pay range A$900.00/daily - A$950.00/daily Key Responsibilities...

We're embarking on an engineering transformation at CommSec!You have full-stack Web Devepment expertise and own outcomes.Together we build the future of digital investing at scale.  Do work that matters:This is a senior technical leadership role within CommSec Technology, responsible for building, evolving and supporting customer-facing web applications...