Mō te tūranga | About the Role
Join Westpac NZ as a Senior Full Stack Developer in our Product Engineering – Cards and Consumer Finance team. You’ll play a key role in designing, developing, and maintaining scalable applications across both front-end and back-end technologies. This is a hands-on technical leadership position, collaborating with cross-functional teams to deliver high-quality software solutions that create exceptional digital experiences for our customers. You’ll be responsible for ensuring best practice in API design, coding standards, performance, and security, as well as providing technical guidance and mentorship to junior developers and peers.
Ko tō mahi | What you’ll do
Design, develop, test, and maintain applications and integration solutions.
Troubleshoot and resolve technical issues, ensuring system stability and participating in after hours support when required.
Collaborate with project teams from concept through delivery to ensure solutions meet business and technical requirements.
Provide technical guidance and mentorship to junior developers and peers.
Create and maintain documentation throughout the Software Development Lifecycle (SDLC).
Implement changes aligned with design specifications and evolving business needs.
Analyse recurring issues and lead continuous improvement initiatives.
Maintain and refine support procedures to ensure resilience and minimise downtime.
Contribute to release and deployment processes, ensuring accurate documentation and compliance.
Implement automated testing and ensure high-quality code through code reviews and continuous integration practices.
Nā tāu rourou | What will you bring?
At least 8+ years’ experience across API and Web development.
Proficiency with server-side development (Java, Spring Boot, Kafka, IBM MQ).
Proficiency with front end development (Javascript, React, Redux).
Experience designing and maintaining integrations with a wide variety of applications and APIs.
Experience in DevOps such as CI/CD pipelines, containerisation, and deployment automation.
Strong knowledge of database schema design, transactions, and queries.
Exceptional influencing and communication skills, with the ability to guide individuals toward fast and effective outcomes.
Ability to lead agile software delivery with a focus on quality, speed, and alignment to business goals.
Strategic thinking, business acumen, and a drive for innovation and continuous improvement.
Strong stakeholder relationship skills and the ability to collaborate across teams.
Proactive risk management and a commitment to compliance with ethical and organisational standards.
Coaching and mentoring skills to build team capability and performance.
Customer-focused approach, delivering solutions that achieve measurable outcomes.
Strong problem-solving skills using systems thinking and analytical approaches.
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:
17 January 2026