Staff Android Engineer - Payments Platform & Architecture

Commonwealth Bank; Sydney; On-site; AUD 180,000 - 240,000; Full time

Job summary

Commonwealth Bank is seeking a Staff Software Engineer – Mobile to lead and shape Android technology within the Money Movement team in the CommBank app. You will set architectural direction, drive platform evolution, and deliver secure, reliable mobile payments experiences.

You will mentor engineers, partner with cross-functional teams, and uplift Android capability across the mobile community while ensuring production readiness and observability across services.

Qualifications

• Deep Android development experience using Kotlin, the Android SDK and Jetpack Compose.
• Strong knowledge of mobile architecture, including MVVM, MVI, Clean Architecture and modular design.
• Experience with dependency injection, object-oriented design, SOLID principles and established software design patterns.
• Proven delivery of secure and reliable mobile applications, supported by automated testing, continuous delivery and production observability.
• Experience integrating REST or GraphQL APIs and working with cloud services such as AWS.

Responsibilities

• Set and champion the strategic technical direction for Android, including architecture, platform evolution, framework upgrades and migration pathways.
• Own full-cycle engineering delivery from ideation and design through to build, testing, release and production support.
• Modernise customer payment experiences and help evolve legacy mobile components towards more reusable and scalable solutions.
• Partner with Product, Design, Security, backend and engineering teams to deliver secure, reliable and consistent customer journeys.
• Champion engineering practices across architecture, automated testing, continuous integration and delivery, performance, security and observability.
• Provide hand-on technical leadership, contributing expert advice to delivery planning and solving complex engineering challenges.
• Mentor engineers and uplift Android capability across the wider mobile engineering community.
• Influence end-to-end solutions spanning the CommBank app, APIs and cloud services.

Skills

Kotlin

Android SDK

Jetpack Compose

MVVM

Clean Architecture

Dependency Injection

REST/GraphQL

AWS

Mentoring

iOS exposure

C#, .NET

Tools

Android tooling

Cloud services

Job description

Commonwealth Bank is seeking a Staff Software Engineer – Mobile to lead and shape Android technology within the Money Movement team in the CommBank app. You will set architectural direction, drive platform evolution, and deliver secure, reliable mobile payments experiences.

You will mentor engineers, partner with cross-functional teams, and uplift Android capability across the mobile community while ensuring production readiness and observability across services.