Senior API Engineer

Join to apply for the Senior API Engineer role at Great Southern Bank .

We’re looking for a Senior API Engineer to help with the design and build of the APIs that power our digital customer experiences. You’ll work with Java / Kotlin, Spring Boot, and modern API standards that create secure, reusable, and high‑performing services.

In this role, you’ll partner with architecture teams to shape our API integration approach, ensuring security, scalability, and great customer outcomes. You’ll also play a key role in promoting best practices in testing, performance, and continuous delivery, with opportunities to work across OpenShift and AWS.

We value diversity of thought and experience, whether you’ve followed a traditional engineering path, or taken a different journey into tech, your skills and perspective are welcome here.

This is a hybrid role based in Brisbane, with flexibility to work from home two days a week.

You’ll make an impact by :

• Designing, building, and maintaining secure, reusable, and high‑performing APIs using Java / Kotlin and Spring Boot.
• Applying API design standards and patterns to ensure consistency, scalability, and maintainability.
• Implementing automated testing, CI / CD pipelines, and quality gates to embed resilience and reduce risk.
• Engineering APIs for observability, performance, and scalability, aligned with enterprise standards.
• Integrating APIs with identity and access management solutions to enable secure authentication and authorisation.
• Translating solution designs and architectural blueprints into working APIs that align to enterprise integration standards.
• Deploying and managing APIs on OpenShift and AWS, ensuring compliance with operational, security, and risk frameworks.
• Collaborating with architects, security, and platform teams to deliver safe, scalable, and resilient solutions.

About you :

We know great engineers come from different backgrounds. You don’t need to tick every box below to apply; we’d love to hear from you if you can show capability and motivation.

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 :

Contact

Please contact our Talent Acquisition team at careers@gsb.com.au.

EEO Statement

At Great Southern Bank, we believe diverse teams create better solutions. We’re building a workplace where women and other groups are supported through mentoring, career development opportunities and inclusive leadership. We know that flexibility matters whether that’s flexible hours, hybrid working or career pathways that fit with life outside of work. We encourage applications from people of all backgrounds, experiences, and identities – especially women who want to grow their careers in technology. Even if you don’t meet every requirement, your unique perspective can make a difference.

Seniority level

Not Applicable

Employment type

Full‑time

Job function

Engineering and Information Technology

Industry

Banking

References

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