Integration Developer at BNZ

BNZ; Auckland; Hybrid; NZD 90,000 - 130,000; Full time

Job summary

BNZ in Auckland City, NZ is seeking an Integration Developer to join our Customer360 Integration team. This permanent, full-time role combines on-site presence with a flexible hybrid schedule to deliver scalable integration solutions using Java and Spring Boot.

You'll work in an agile environment, design and implement RESTful services, and collaborate with stakeholders to ensure security, performance, and reliability across banking platforms.

Qualifications

• Expertise in designing and developing Java and Spring Boot services.
• Experience with REST APIs and integration patterns.
• Knowledge of secure service-to-service communication and security practices.

Responsibilities

• Design and develop Java/Spring Boot services and REST APIs.
• Collaborate in agile delivery teams to build and release features.
• Drive platform optimization and improve system reliability and security.
• Share knowledge with engineers and coach others across teams.
• Provide production support and investigate incidents.

Skills

Java

Spring Boot

REST APIs

Integration patterns

Security

CI/CD

DevOps

AWS

Kubernetes

API gateway

Tools

AWS

Kubernetes

Job description

Apply for Integration Developer at BNZ in Auckland City, N, NZ. This Full time on site position offers great opportunities for career growth. Worker Type: Permanent Here at BNZ, it's about more than just banking. We work together in an agile, energising environment to create innovative solutions through our promise "If you can imagine a better future, let's find a way." We support wellbeing, flexible working and have a generous leave offering. There is the opportunity for growth, learning and career development. No two days are the same. Ko mātou tēnei | This is Us We have an exciting opportunity for an Integration Developer to join our Customer360 Integration team and drive the delivery of complex, scalable, and maintainable technical solutions. At BNZ, we're transforming how we serve our customers through modern, connected technology that makes banking simpler, faster, and more reliable. As part of the Customer360 programme, our Integrations connect a front end with core systems, data platforms, banker and customer channels across the bank. This is a permanent, full-time opportunity based in either Wellington or Auckland, with a hybrid working approach of three days in the office and two days working flexibly.

About the Role

We sat down with one of our Engineering Lead , and they let us know the following about the role.

• Deliver Outcomes - Design, develop, configure, and enhance Integrations solutions that deliver business outcomes while maintaining enterprise standards for quality, security, and performance.
• Technical Problem Solving - Investigate complex business and technical challenges, define solutions, and contribute to system design decisions that balance business and technical objectives.
• Delivery & Continuous Improvement - Work within agile delivery teams to build and release new features, improve existing capabilities, and drive ongoing platform optimisation.
• Collaboration & Knowledge Sharing - Partner with business and technology stakeholders across the programme by contributing to technical discussions. Actively share knowledge with the wider engineering community and coach others.
• Production Support & Operational Excellence - Participate in platform support activities, helping diagnose issues, resolve incidents, and improve system reliability and resilience.

What is the team culture and environment like?

You'll join a collaborative team working across Salesforce/nCino, integrations, data, security and enterprise technologies, with a shared focus on making complex change easier for customers, colleagues and teams to adopt. We value curiosity, practical innovation and teamwork, and encourage people to challenge the status quo and bring fresh thinking to complex problems.

What is the most exciting thing about this opportunity?

Integrations sit at the heart of BNZ's digital ecosystem. This role gives you the opportunity to influence how critical systems connect across the bank, reduce complexity for delivery teams, and enable seamless customer and colleague experiences. You'll play a significant role in one of BNZ's largest technology programmes, helping shape strategy, guide investment decisions and deliver capabilities that support the future of banking.

What attributes will this person display to be successful in this role?

This is an opportunity for an engineer who combines strong technical capability with a collaborative and customer-focused mindset. You'll be naturally curious, adaptable, and outcome-driven, with the ability to simplify complex problems, context switch and work effectively across diverse teams. You'll be committed to continuous learning, open communication, and contributing positively to team culture. For more experienced candidates, you'll also demonstrate technical leadership, mentoring capability, and the ability to influence technical decisions across teams.

What skills and experience are we looking for?

• Expertise in designing and developing Java and Spring Boot services, including REST APIs, integration patterns, and secure service-to-service communication.
• Engineering Excellence - Strong software engineering fundamentals, with a focus on quality, maintainability, performance, observability, and security.
• Exposure to CI/CD, DevOps, Jenkins, AWS, Kubernetes, and API gateway / API management concepts would be advantageous.
• Collaboration & Communication - Strong communication and stakeholder engagement skills. Ability to work collaboratively to develop and deliver pragmatic technical solutions that balance business and platform needs.

Nau Mai ki te Pēke o Aotearoa | Come to the Bank of New Zealand

This is an exciting opportunity to join us! We're bold thinkers who are taking brave steps to create a company that people want to work for, and customers want to bank with. If you're ready to join a fun organisation where we are proud of our culture and how we are helping New Zealander's to "Find their way",

Ehara taku toa i te toa takitahi, e'ngari he toa takitini – Success is not the work of an individual, but the work of many.”

Closing Date: 27 September 2026 Applications will be reviewed regularly across the advertising period, but we do reserve the right to close applications early.