Mō te Tūranga | About the Role
At Westpac, we are committed to creating smarter, safer banking experiences that support our customers and communities. Our Fraud and Financial Crime technology team plays an important role in protecting people and the bank through thoughtful, resilient and well designed platforms.
As a Senior Software Engineer within our Fraud Tech squad, you will contribute to the design, development and ongoing care of Java based solutions that underpin our fraud and financial crime platforms. You will work closely with product, engineering and delivery partners, sharing ideas, learning together and contributing across the full software development lifecycle using modern engineering and DevOps practices.
This role is well suited to an experienced engineer who enjoys working through complex challenges with others, takes pride in delivering quality outcomes, and values collaboration, learning and continuous improvement within an agile environment.
Ko tō mahi | What you’ll do
Design, develop, test and maintain integrated solutions that support fraud and financial crime platforms.
Contribute to the delivery of secure, scalable and high quality Java applications using modern engineering practices.
Collaborate with peers through code reviews, supporting shared learning and consistently high engineering standards.
Partner with product and delivery teams to understand requirements and contribute to solution design and technical decisions.
Create and maintain clear, accessible technical documentation that supports shared understanding across teams.
Actively participate in Agile ceremonies, retrospectives and continuous improvement activities.
Support the investigation and resolution of complex technical issues through thoughtful troubleshooting and root cause analysis.
Guide and support junior engineers, contributing to a culture of mentoring, learning and knowledge sharing.
Contribute ideas to improve platform operations, tooling and ways of working.
Nā tāu rourou | What will you bring?
Extensive experience in Java development, with at least 8 plus years working with Spring Boot in real world environments.
Experience building and consuming REST APIs in collaborative environments.
A strong understanding of clean code practices, testing and secure software development.
Experience working within Agile Scrum teams, with a focus on continuous delivery and shared ownership.
Experience designing and maintaining integrations with third party systems and APIs.
Familiarity with monitoring and logging tools such as Dynatrace and Splunk.
Exposure to Docker and Kubernetes is desirable.
Exposure to Jenkins or CloudBees and Terraform, with an understanding of infrastructure as code, is beneficial.
Clear written and verbal communication skills, with a focus on collaboration, documentation and inclusive teamwork.
Westpac Hei Wāhi Mahi | Working at Westpac.
In addition to immersing yourself in a supportive team environment, you'll receive some great job perks and benefits including:
4 weeks standard holiday + 5 additional days of wellbeing leave to support you to be your best
Additional purchased leave options up to 4 weeks per year
Banking benefits, insurance discounts and superannuation scheme
Growth and development – we provide opportunities for development and promote internal mobility
Recognition - we recognise and reward our star performers
School holiday subsidy - help you balance work and family during school holiday
2 Volunteer days per year
Ko mātou tēnei | Our Organisation
At Westpac, we’re working together to build a fairer and stronger New Zealand for our people, customers, and communities. For over 160 years we’ve been driven by our purpose to Create Better Futures Together.
What makes us unique are the incredible people we’re lucky enough to have walk through our doors every day. The giant ‘W’ on our building doesn’t just stand for Westpac – it says, double you. We’re a place that values, rewards and recognises individuality. Where you can be your whole self, your true self, and your best self. We’re recognised as a place where talent is developed, where passions are fuelled and where ambitions of all shapes and sizes thrive. And it all starts with you!
Tono mai ināianei! | Apply Now!
Apply today with your CV and Cover Letter.
The people of Aotearoa, New Zealand hail from many cultures and backgrounds. At Westpac New Zealand, we draw on this enormous talent pool to cultivate a team rich in ability and empowered to reach its full potential. Our aim is to be brave challengers, celebrating our differences and relentlessly advocating for our customers. It starts with us – we believe that when we care deeply and do our best for our people, they’ll do their best for our customers. We encourage people from all walks of life to apply, including those who are neurodiverse, have chronic health conditions or disabilities – your attitude and passion are as important to us as your experience, qualifications and capabilities.
Mahi tahi tātou, kaha ake tātou | Together Greater
Applications close:
10 April 2026
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