Job Description What if your APIs didn’t just connect systems — but unlocked the next era of customer experiences? Multiple contract opportunities Daily Rate: up to $1,050 including super Initial 6-12 months (potential to extend) 3 days in office - Sydney CBD Join a fast-growing tech business where integration isn’t just plumbing — it’s a core part of the product. With millions of users, a high-performing engineering team, and a platform built for scale, this is a place where your code shapes how people interact with technology every day. Backed by decades of success and operating in 30 global markets, this company combines the speed of a product-led business with the security of a globally trusted brand. They’re looking for Senior Integration Engineers to help power seamless, intelligent customer journeys through scalable APIs, resilient messaging systems, and event-driven architecture. What You’ll Do Design, build, and evolve robust RESTful APIs used by customer-facing and internal platforms Lead the technical implementation of integration layers that sit at the heart of multiple product ecosystems Use technologies like Spring Boot, Apache Camel, Kafka, PubSub, and more Ensure observability, security, and performance are built into every layer of your work Collaborate across engineering, product, and platform teams to deliver scalable, real-time connectivity Contribute to architecture discussions, code reviews, and continuous improvement What You Bring Deep experience in Java 8 and Spring Boot 3 Proven ability to design and implement REST APIs and enterprise-grade integrations Strong knowledge of EIP (Enterprise Integration Patterns) Experience with integration frameworks (Apache Camel, Spring Integration) Messaging experience: JMS, Kafka, Solace, or GCP PubSub Familiarity with CI/CD tooling and automated testing Bonus: Hands-on with observability stacks like Splunk, SumoLogic, AppDynamics, Dynatrace Why You’ll Love It Here Join a high-performing, tech-focused culture that values quality and autonomy Solve real engineering challenges at scale with modern tooling Collaborate with some of the brightest engineers in the region, with a mix of product, start-up, and big-tech backgrounds Work with a leadership team that genuinely backs innovation, learning, and career growth If you're a Senior Integration Engineer who’s excited to build future-proof systems in a product-driven environment — this is your opportunity to make a real impact. Apply now or reach out for a confidential chat with Monica Omtha [email protected]