Description Create your best future and join Westpac as a Senior Software Engineer. What’s the role? We’re building the future of banking technology at Westpac Institutional Banking (WIB) through the highly strategic Westpac One Core/Treasury project. As a Senior Software Engineer, you’ll play a critical role in designing, developing, and implementing enterprise-level UI and API-based platforms for our Corporate and Institutional clients. This is a cloud-native build leveraging modern technologies like React.js, TypeScript, Redux, and Node.js (REST APIs), with optional experience in Java and AWS Cloud as a bonus. We’re looking for engineers who deliver business value first and foremost—those who can code in any language to achieve outcomes. If you’re passionate about writing high-quality, performant, and secure code with strong test coverage, and thrive in a collaborative, fast-paced environment, this is the role for you. You’ll work alongside Scrum Facilitators, Product Owners, Lead Engineers, and DevOps Specialists to deliver industry-leading solutions. This is a multi-year transformation program, offering the chance to shape the future of banking technology while building a strong engineering capability within WIB. What do I need? Knowledge: Strong background in UI and API development Deep technical expertise across modern development frameworks Experience: Excellent written and verbal communication skills Proven experience developing and implementing UIs & APIs that meet project objectives Prior experience in solution design across multiple programs Background in software development and agile methodologies Hands-on experience with complex solution designs and implementation phases Experience designing or implementing credit decisioning application integration patterns Extensive experience in application integration on complex infrastructures, ideally in financial services or banking Minimum 5 years’ experience in a similar role Education: Degree in Information Technology or Computer Science Banking experience highly regarded 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 . LI-Hybrid.