Intermediate API Developer

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.

Are you an experienced API Developer ready to take on the next big challenge in digital banking? We're looking for someone to join our team in the Digital Channels domain at BNZ as we lead the charge in a major digital modernization effort.

Mō te Role | About the Role

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

What are some of the day to day tasks the person in this role will complete?

• Lead Development Efforts: Design and build robust, scalable solutions, often working on complex or high-impact components.
• Shape Technical Direction: Influence architectural decisions, patterns, and long-term technical strategies.
• Mentor and Support: Coach junior and intermediate developers, providing guidance through code reviews, pair programming, and feedback.
• Drive Operational Excellence: Champion practices that improve reliability, performance, and deployment efficiency.
• Provide Production Support: Lead by example in participating in the product support and on-call roster, ensuring issues are resolved quickly and root causes are addressed.
• Maintain Technical Documentation: Ensure system-level and architectural documentation is accurate, up to date, and accessible to relevant stakeholders.
• Foster Innovation: Identify opportunities for technical or process improvement and help lead their implementation.

What is the team culture and environment like?

Our team culture is collaborative, supportive and focussed on getting things done together. We grow together as a team, celebrating wins along the way.

What projects / work will the candidate be working on now and into the next year?

• Design, build and implement APIs for BNZs digital channels modernisation programme.
• Support a BFF layer for BNZ digital channels front end consumers.
• Contributing to BNZs Open Banking APIs through enabling the delivery and maintenance of our critical APIs.
• Feed improvements into BNZs practices and standards where appropriate.

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

We are looking for someone with a curious mind who loves to learn, share and grow. If you're a team player with a passion for mentoring others and a drive for continuous improvement, you'll thrive in our collaborative environment.

What technical skills are required for this role?

This is an opportunity for an experienced Developer with a strong understanding of RESTful API principals. You will have strong communication and collaboration skills, with a proactive approach to influencing outcomes. You'll also bring:

• Experience with the Springboot framework

• Experience using API gateway and proxies (eg: Kong)

• A proficiency in at least one programming language eg: Java, Python etc.

• An understanding of Kubernetes

• Knowledge and use of Kafka

• Experience working with CI/CD pipelines using tools like Jenkins or similar

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

Please note applications close Friday 7 November 2025.

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', then show your interest by submitting your application - we can't wait to read it.

Ehara taku toa i te toa takitahi, engari he toa takitini" - Success is not the work of an individual, but the work of many."

Applications will be reviewed regularly across the advertising period, but we do reserve the right to close applications early.