As our highly valued API Engineer based in Brisbane your role will be to design, build, and support domain APIs that underpin the bank’s digital customer experiences. You will work with Java/Kotlin, Spring Boot, and established API standards to deliver secure, reusable, and high-performing integration services. You’ll make an impact by: You are a valued member of the technology team delivering digital customer experiences across our key customer-facing channels. Your APIs enable digital self-service capabilities that help customers bank how and when they choose Engineering •Apply established API design standards and reusable patterns to support consistency, scalability, and maintainability. •Implement automated testing and CI/CD practices to support quality, resilience, and safe change. •Engineer APIs with appropriate observability, performance, and scalability characteristics, aligned to enterprise standards. •Integrate APIs with identity and access management solutions to support secure authentication and authorisation. Delivery •Deliver working APIs from solution designs and architectural blueprints, seeking guidance where required. •Deploy and support APIs on OpenShift and AWS in line with operational, security, and risk requirements. •Work with architects, security, and platform teams to ensure solutions are safe, scalable, and supportable. •Contribute to continuous improvement by identifying opportunities to improve automation, monitoring, and delivery practices. Collaboration •Work closely with engineers, testers, architects, and business stakeholders to deliver end-to-end API solutions. •Collaborate with the Integration Technical Lead and senior engineers to learn and apply enterprise integration patterns. •Share knowledge within the team and actively seek feedback to grow technical and delivery capability. •Support a culture of reuse, simplification, and quality across the engineering community. Do things differently with us To succeed in this role, you will have: We know great engineers come from different backgrounds. You don’t need to tick every box below to apply — if you can show capability and motivation, we’d love to hear from you. Experience in software engineering with a focus on API design and development (typically 3–5 years, but we’re open to different pathways). Hands-on experience building APIs using Java and/or Kotlin with Spring Boot. Understanding of API standards, integration patterns, and reusable service design. Experience deploying or supporting APIs on containerised or cloud platforms (e.g. OpenShift, AWS). Familiarity with automated testing and CI/CD pipelines. Hands-on experience working with AI Tooling to help drive efficiencies and more robust solutions. Exposure to observability, monitoring, and performance practices. Experience in financial services or regulated environments is helpful but not essential. Why Great Southern Bank? Whatever your role with us, you’ll be part of a force for good. We’re owned by our customers right here in Australia, so our success benefits everyday people and families. Working at Great Southern Bank, you’ll also enjoy a range of fantastic benefits, some examples include: Helping you unlock a brighter future by investing in your development and wellbeing, offering you study leave, a day for you and professional wellbeing coaching. Benefits that support you and your wellbeing so that you can thrive at work and at home, today and tomorrow. Enjoy access to our wellbeing centre and the flexibility to work from home two days a week. Helping you to achieve your financial goals and positively impact your family and community. We offer discounts on a wide range of Great Southern Bank products and services such as savings and transaction accounts, insurance, home loans and more! Imagine working for a bank that truly helps people. You can. Questions? Please contact our Talent Acquisition team at careers@gsb.com.au At Great Southern Bank, we're committed to building a strong, inclusive and diverse workplace, where people feel a sense of belonging and are valued, connected and respected. We value diverse backgrounds, cultures, abilities, ideas and experiences; recognising the benefits they bring to our work, our communities and the way we help our customers. We support and promote an inclusive culture through flexible ways of working, collaboration, and fair and equitable decision making that empowers our people to be at their best every day. We move with purpose, are curious about what’s next, remain focused on what matters most, and are always ready to find smarter ways to help our customers and communities thrive. Our people bring energy and initiative to a fast-changing environment, making thoughtful decisions that balance doing good for our customers with driving sustainable success for our business. If you enjoy working in a place where priorities evolve, ideas are valued, and every action contributes to something bigger, you’ll feel right at home here at Great Southern Bank.
