Description Role Overview Westpac's Marketing & Communications Domain is seeking a technically proficient and solution oriented Engineer with strong expertise in Java, Spring Boot, and Hibernate to design, build, and optimise digital integration components within our enterprise ecosystem. You’ll play a critical role in defining API first solutions, contributing to event driven architecture (Kafka), and guiding the development teams to build scalable, secure, and observable components. Key Responsibilities Design and build backend and integration solutions using Java (8/11/17), Spring Boot, and Hibernate/JPA Define and deliver REST APIs using Swagger/OpenAPI, aligned with enterprise integration standards Develop microservices and reusable components for data ingestion, orchestration, and downstream delivery Own API and Kafka integrations, including topic design, schemas, consumers, and resilient pub/sub patterns Ensure strong non‑functional requirements (performance, scalability, reliability) with observability via Splunk Provide technical leadership, mentoring engineers and contributing to solution design, governance, and delivery assurance Required Skills & Attributes Strong hands‑on experience with Java (8&43;), Spring Boot / Spring Cloud, Hibernate, and REST API development Proven ability to define and document APIs using Swagger / OpenAPI, including integration contracts Experience working with Apache Kafka for event streaming, topic/schema design, and consumer management Solid understanding of secure API design, including OAuth2, JWT, and authentication best practices Expertise in microservices architecture, CI/CD pipelines, and containerisation (Docker, Kubernetes) Experience with observability and monitoring tools such as Splunk for logging and diagnostics Why join us? We’re obsessed with becoming our customers' 1 banking partner for life and we’re looking for people who are passionate about helping us achieve that goal. In return, we’re committed to making Westpac the best place to work in the country. Here are just a few of the ways we’re already doing that: Special offers on banking products and discounts from top brands, including generous employee only mortgage rates! Flexible work arrangements to help you achieve a greater work/life balance, and a variety of leave options including Culture, Lifestyle and Wellbeing leave. Tailored learning and development opportunities to help your grow your career within the bank. Lots of opportunities to ‘give back’ to the Community by getting involved in our many volunteering initiatives. Create your future today To get started, simply click on the APPLY or APPLY NOW button We’re all about creating a supportive and inclusive community. We welcome everyone no matter your age, gender, background, or abilities. We also provide additional support to welcome our veterans, Indigenous Australians and neurodiverse community. If you need any adjustments during the recruitment process, you can find out more information and additional contact details by visiting the "People with Disability and/or needing Accessibility Requirements" page on our website .