Integration Engineer

Mō te tūranga | About the Role

An an experienced Integration Engineer, you will help design, build, and evolve secure, resilient, and scalable integration solutions that support critical banking services.

This is an opportunity to work across a complex technology landscape, partnering with architects, engineers, security teams, and business stakeholders to deliver enterprise-grade API and integration solutions that improve reliability, customer outcomes, and operational efficiency.

Nā tāu rourou | What will you bring?

• Strong experience designing and delivering enterprise integration solutions.
• Hands-on experience with API management platforms such as:
  • IBM API Connect
  • DataPower
  • ESB
• Experience with integration and messaging technologies including:
  • IBM MQ
  • IBM Integration Bus / ACE
  • Event-driven and publish-subscribe architectures
• Knowledge of integration patterns including API-led connectivity, SOA, microservices, and event-driven architecture.
• Experience with cloud-native technologies, containers, and automation tools such as Docker, Kubernetes, Terraform, Jenkins, or Azure DevOps.
• Understanding of security controls including OAuth2, JWT, mTLS, SAML, and enterprise authentication models.
• Experience with monitoring and observability tools such as Splunk, Dynatrace, or equivalent.
• Ability to troubleshoot complex integration and platform issues across distributed environments.
• Experience delivering platform migrations and production implementations with minimal business disruption.
• Strong understanding of SDLC, DevOps, release management, and operational support practices.
• Ability to balance technical detail with business outcomes when engaging stakeholders.
• Ability to troubleshoot complex integration and platform issues across distributed environments.
• Experience delivering platform migrations and production implementations with minimal business disruption.
• Strong understanding of SDLC, DevOps, release management, and operational support practices.
• Ability to balance technical detail with business outcomes when engaging stakeholders.

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:

12 September 2026