Job Description

Senior Full-Stack Engineer – Drive Digital Transformation in Consumer Finance in Consumer Technology. Based in Sydney.

UNITE is our business-led, tech-enabled transformation program, focused on delivering “one best way” to simplify processes, systems, and technology. Our goal is to create a better experience for customers and make things easier for our people.

What’s the role?

Join our Digital Consumer Finance Technology Team as a hands-on Senior Full-Stack Engineer You’ll design, build, maintain, and test cutting-edge technology solutions that power our digital finance platforms. Collaborate with stakeholders, become a domain expert, and support the broader engineering community while contributing to major transformation programmes like UNITE Work in a fast-paced, agile environment and help shape the future of cards servicing and loyalty systems.

Key Responsibilities

• Design and develop customer-facing user interfaces using React.js, ensuring responsive and accessible experiences.
• Build and maintain microservices and APIs with Spring Boot, delivering scalable backend solutions.
• Write clean, modular, and maintainable code using modern JavaScript frameworks and best practices.
• Collaborate with stakeholders to translate business requirements into technical user stories and deliver high-quality solutions.
• Optimise application performance and implement reusable UI components aligned with accessibility standards.
• Apply an AI‑first approach to automate coding, testing, data mappings, orchestration, and documentation; orchestrate multi‑agent workflows with guardrails, policy checks, and evaluation metrics (e.g., code quality, test coverage, traceability).

What do I need?

Essential:

• Minimum 5 years of professional experience.
• Background in Financial Services/Banking.
• Strong analytical and problem-solving skills with expertise in technical design.
• Experience with CI/CD tools (Bit, Bitbucket, Jenkins, Bamboo) and API development using Spring Boot.
• Proficiency in HTML5, CSS3, JavaScript, and modern frameworks (React.js, Redux, Node.js).
• Knowledge of RESTful API design principles, security, and authentication mechanisms (OAuth, JWT).

Desirable:

• Passion for automation and innovation.
• Degree or equivalent in STEM.
• Experience with Kafka, Splunk/App Dynamics.
• Cards servicing domain experience.
• Ability to keep up with emerging technologies.

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

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