Senior Mobile Developer - Android

Bank of New Zealand; Auckland; On-site; NZD 120,000 - 160,000; Full time

Job summary

Bank of New Zealand (BNZ) in Auckland is seeking a Senior Android Developer to join the Mobile Platform Team. You will shape how BNZ builds and delivers mobile banking experiences, working across Android tooling, CI/CD pipelines and platform quality.

You will collaborate with cross‑functional teams, advance Kotlin-based apps, implement modern Android architectures and promote AI tooling to improve efficiency and reliability for BNZ customers.

Qualifications

• Experience in building and maintaining Android apps with Kotlin and some Java.
• Strong knowledge of Android SDK, Material Design, and end-to-end mobile lifecycle.
• Experience with CI/CD workflows and modern development tools.

Responsibilities

• Build scalable Android apps using Kotlin and Android Studio.
• Improve Android build pipelines and CI/CD performance.
• Maintain and upgrade the Android platform across mobile apps.
• Promote AI tooling and ideas within the Android community.
• Support BAU with monitoring, testing, and incident triage.

Skills

Kotlin

Android Studio

CI/CD

Jetpack Compose

Dagger/Hilt

Git

Android Architecture

Java (legacy)

Tools

Jenkins

Firebase Test Lab

Gradle

GitHub Copilot

Android SDK

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.

Are you passionate about digital transformation and eager to make a significant impact in the financial sector?

The Mobile Platform Team sits at the heart of BNZ's mobile experience. From modern engineering tools and release pipelines to customer-facing capabilities, we're shaping how mobile banking is built and delivered, and we are looking for a Senior Android Developer who thrives at the intersection of Android development, build infrastructure, and platform quality. This is a unique opportunity to be part of a transformative initiative that will shape the future of banking in New Zealand.

As a Senior Android Developer in the Mobile Platform Team, you will be responsible for improving the infrastructure and tooling experience that every Android developer at BNZ depends on every day — from maintaining our CI/CD pipeline to evaluating and adopting new platform capabilities. You will collaborate with various teams and stakeholders, which enables them to implement modern technology foundations to build market-leading experiences.

What are some of the responsibilities of this role?

• Build Scalable Android Apps: Develop maintainable and performant applications using Kotlin and Android Studio, aligned with platform best practices.
• Take responsibility for improving the Android build pipelines: Including addressing reliability issues, optimizing the CI/CD performance and looking for ways to save on build costs.
• Maintain the Android platform: You'll plan and execute the major Android platform upgrades across our mobile apps. Participate in reviews, follow coding standards, and document solutions to ensure a clean, consistent, and scalable codebase.
• AI Tooling: You will contribute to promoting AI adoption within the Android community and be proficient in creating AI skills that support investigation, architectural modernisation and optimisation.
• Operational BAU: You’ll play a role in the team collective BAU responsibilities. Monitoring logs, alerts, test coverage health, incidents and triaging of incoming support issues.

What will success look like for the candidate in this role?

Successful candidates will contribute to building a strong foundation with modern technology. You will help deliver connected, unified experiences that enhance customer engagement and satisfaction.

Your efforts will result in a seamless and improved digital experience for BNZ customers, with faster and easier navigation and a unified experience across web and mobile platform.

What specific skills and experience would be beneficial for this role?

This is an opportunity for individuals skilled in Android app development, with a proven ability to contribute in a collaborative team environment. You will also bring:

• Practical experience building and maintaining Android apps using Kotlin, with familiarity in Java for supporting legacy systems.
• Solid understanding of the Android SDK, Material Design Guidelines, and the end-to-end mobile development lifecycle.
• Proficiency with Android Studio and Git, along with experience using modern development workflows and common Android libraries.
• Cost/resource management for build infrastructure.
• Exposure to CI/CD technology layers including Kotlin, Jetpack Compose, Dagger/Hilt, Jenkins pipelines, Firebase Test Lab, Gradle ,GitHub Copilot agent frameworks, and Android SDK toolchains.

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

Excellent communication and collaboration skills to work effectively with cross-functional teams is essential. You will have the ability to work in a fast-paced, dynamic environment and adapt to changing priorities. Alongside your strong problem-solving skills, you will have a proactive approach to addressing challenges and a passion for driving digital innovation.

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

Please note applications close Wednesday 19th August 2026.

Closing Date: 19 August 2026

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

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