Senior API Developer

Bank of New Zealand; Auckland; Presencial; NZD 120.000 - 180.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Flexible working

Generous leave

Descripción de la vacante

Bank of New Zealand is seeking experienced SeniorAPI Developers for our Core Ledger Replacement program in New Zealand. Roles are fixed-term through October 2028 and based in Auckland or Wellington, with a focus on modernising lending technology and cloud-enabled platforms.

You will lead complex feature delivery, provide production support, and mentor teams while shaping scalable, reliable systems and effective cross-functional collaboration.

Formación

• Extensive software engineering experience with Java and modern frameworks.
• Hands-on design and delivery of large-scale features.
• Experience with cloud platforms and containerised deployments.

Responsabilidades

• Lead delivery of complex features, balancing speed, quality and goals.
• Provide production support and participate in on-call rotations.
• Design and build scalable systems with durable architecture.
• Navigate ambiguity and shape practical solutions.
• Mentor teammates and promote knowledge sharing.

Conocimientos

Java

Spring Boot

REST APIs

Kafka

Microservices

Kubernetes

AWS

Herramientas

Java

Spring Boot

Descripción del empleo

Worker Type:

Maximum Term/Fixed Term (Fixed Term)

Here at BNZ, it’s about more than just banking. We work together in an agile, energising environment to create innovative solutions though 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. No two days are the same.

We have an exciting opportunity for several experienced SeniorAPI Developers to join our Core Ledger Replacement domain and help modernise lending technology that supports innovative customer experiences, creating a lasting impact forNew Zealanders.

Based in either Auckland or Wellington, these fixed-term roles run through to October 2028, giving you the scope to make a meaningful contribution across a significant, multi-year transformation.

MōteTūranga| About the Role

We sat down with the Platform Manager and they told us the following about the role:

What aresome of theday-to-day tasks the person in this role will complete?

• Lead the delivery of complex features, systems, or technical initiatives,balancing speed, quality, and alignment with strategic goals.
• Participate in the on-call roster and provide production support within your domain, helpingmaintainreliability andrespond to incidents effectively.
• Apply advanced engineering knowledge to design and build robust, scalable systems, making technical decisions that account for long-term sustainability and operational impact
• Navigate ambiguity, shape problem definitions, and propose practical,effective solutions.
• Build strong relationships and influence technicaldirection using clear communication, structured thinking, and constructive challenge.
• Provide technical mentorship and support the growth of othersthrough coaching, feedback, and knowledge sharing.

What is the most exciting thing about this opportunity?

Few opportunities give you the chance to help rebuild the engine room of a bank. Through Core Ledger Replacement, we’re modernising the lending technology at the heart of BNZ—moving from legacy systems to a modern, cloud-based core banking platform. The scale is significant, with the impact set to be felt across the entire organisation and through the experiences we deliver for our customers. If you’re excited by large-scale platform modernisation, enterprise integration, and building technology that will shape the future of lending at BNZ, we’d love to hear from you.

What is the team culture and environment like?

Our teamoperatesin a collaborative and supportive environment where knowledge sharing, technical excellence, and continuous improvement are highly valued. Team members work closely together to solve complex problems, contribute ideas, and support each other’s professional growth. Together we have a strong focus on quality, innovation, and delivering excellent outcomes.

What technical skills arerequiredfor this role?

We’re looking for strong software engineering experience, with deep expertise in one or more of the following technologies: Java, Spring Boot, REST APIs, Kafka, microservices, Kubernetes, and AWS.

You’ll have a proven track record of leading complex technical delivery across systems and teams, taking ownership of large-scale features or platforms from design and development through to deployment, production support, and continuous improvement.

What attributes will this person displayin order tobe successful in this role?

You’llbe a strategic problem solver who can make sound trade-offs in ambiguous environments, balancing technical decisions with business outcomes. Just as importantly,you’llbe a clear communicator and collaborative leader who builds trust across teams, supports an inclusive engineering culture, and helps grow others through coaching, mentoring, pairing, and knowledge sharing.

Nau Mai kitePēkeo Aotearoa | Come to the Bank of New Zealand

Please note: Applications close Monday 2 November 2026.

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

Closing Date: 02 November 2026

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