Senior Developer

Bank of New Zealand; Wellington; Hybrid; NZD 120,000 - 160,000; Full time

Job summary

Bank of New Zealand (BNZ) is seeking a Senior Developer to join the Technology team within the Lending Platforms domain in Wellington. This 12-month fixed-term role offers a hybrid arrangement with three days in the office and two days working flexibly.

The successful candidate will contribute to secured lending platforms and support ongoing modernization and integration efforts. The role emphasizes building robust APIs, mentoring teammates, and ensuring safe, reliable production systems across

Qualifications

• Strong experience in Java and Spring Boot in complex environments.
• Experience delivering and supporting enterprise applications in production.
• Familiarity with CI/CD tooling and observability platforms.

Responsibilities

• Develop new features and support BAU activities for lending platforms.
• Code review and collaboration to maintain high coding standards.
• Provide production support for live applications and resolve issues.

Skills

Java expertise

Spring Boot

Production support

Mentoring

Cross-functional collaboration

Tools

Jenkins

Spinnaker

Docker

Splunk

Dynatrace

Kubernetes

OpenShift

Job description

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

The successful candidate would join BNZ's Technology team within the Lending Platforms domain, working across the platforms and integration services that support lending application processing and decisioning for both personal and business customers. The role has a primary focus on Secured Lending. The wider business unit is responsible for the technology that underpins key lending experiences and services for BNZ customers.
This is a fantastic opportunity for a Senior Developer to directly contribute to BNZ's growth in key secured lending product segments, while continuing to support existing systems through to decommissioning.
As the team's existing platforms continue through modernisation and retirement, the team plays an important role in ensuring they remain safe, reliable, compliant, and well supported. The role also offers the opportunity to help lead new work as the team transitions to building integrations with BNZ's banking platforms.

Mō te Tūranga | About the Role

We sat down with the People Leader (who you'll report to), and they told us the following about the role:
This is a 12-month fixed-term role based in Wellington. It is a hybrid role, with three days in the office and two days working flexibly. Anchor days in the office are Tuesday and Thursday.

What are 5 day to day tasks the person in this role will complete?

• Develop new features and support business-as-usual activities, including designing, coding, implementing new functionality, and enhancing existing application capabilities.
• Contribute to quality assurance through code reviews and peer collaboration, sharing constructive feedback and working closely with the team to uphold high coding standards and deliver robust, maintainable solutions.
• Provide production support for new and existing applications by monitoring, troubleshooting, and resolving issues in live environments to ensure reliability, performance, and positive user experiences.
• Mentor and support fellow developers and testers by sharing knowledge, offering guidance, and helping team members grow their technical skills and confidence through coaching and collaboration.
• Participate in agile ceremonies and continuous improvement activities, including daily stand-ups, sprint planning, and retrospectives, while actively contributing ideas to improve team processes and foster collaboration.

What technical skills and attributes would be advantageous in this role?

• Strong experience in both software development and enterprise application support, ideally with 6-8+ years' experience in complex environments.
• Hands-on capability with Java, Spring Boot applications, and APIs, along with experience supporting systems in production.
• Experience in operational and platform lifecycle work, including patching, upgrades, vulnerability remediation, and production support.
• Solid understanding of distributed systems, API integration patterns, and security fundamentals such as API gateways, mTLS, JWT, and secure service communication.
• Experience with CI/CD tooling such as Jenkins, Spinnaker, and Docker, along with monitoring and observability tools like Splunk and Dynatrace.
• Hands-on experience deploying containerised applications to managed orchestration platforms such as EKS, ECS, or OpenShift.
• Experience with AI-assisted development workflows and agentic tooling as part of day-to-day engineering practice.
• Familiarity with asynchronous messaging or event-driven architectures, such as Kafka, MQ, or similar technologies, would be bonus.

What is the most exciting thing about this opportunity?

This team is positioned to play a key role in BNZ's growth across important product categories. The successful candidate will join an established team responsible for integrating with both new and existing banking platforms across BNZ.

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

• Proactive, dependable, and comfortable taking ownership of critical systems and outcomes.
• Able to lift engineering quality across the team by setting high standards and bringing others along through mentorship and practical example.
• Calm and methodical in production support, with the ability to work through complex issues while balancing immediate response with long-term improvement.
• Collaborative and communicative, with the ability to build strong working relationships across engineering, delivery, risk, vendor, and business stakeholders.
• Curious, pragmatic, and focused on continuous improvement, with a commitment to leaving systems in a better state through disciplined operational practice, thoughtful engineering, and strong follow-through.

What is the team culture and environment like?

Our team culture is highly collaborative. We believe in delivering as a team and supporting one another to achieve shared goals. We encourage continuous learning and growth, creating opportunities for people to develop their skills and progress in their careers. As an agile team, we are always looking for ways to improve our processes and outcomes, embracing feedback and change as part of our DNA. We value open communication, inclusivity, and the unique perspectives each team member brings, creating an empowering and supportive environment where everyone can do their best work.

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

The candidate will join the team as they are uplifting and extending existing systems to support the business in its mission for growth. They'll be key in integrating with existing systems through the development of API's and other microservices.

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