Senior API Engineer for Core Ledger Modernization

Bank of New Zealand; Auckland; On-site; NZD 120,000 - 180,000; Full time

Benefits offered by this job

Flexible working

Generous leave

Job summary

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.

Qualifications

• 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.

Responsibilities

• 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.

Skills

Java

Spring Boot

REST APIs

Kafka

Microservices

Kubernetes

AWS

Tools

Java

Spring Boot

Job description

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.