Senior Android Engineer – Open Banking, Offline-First

X-Team; City of Melbourne; On-site; AUD 110,000 - 165,000; Full time

Job summary

X-Team is hiring a contractor to join a mobile engineering squad for a major Australian bank project. You will build an offline-first Android app in Kotlin/Jetpack Compose with SQLite persistence, ensuring resilience when backend services fail.

Expect 6–8 months onsite in Melbourne at the start to align with the team and share knowledge. The role emphasizes strong Kotlin expertise, MVVM/MVI patterns, and secure coding while delivering Open Banking features that connect customer accounts across

Qualifications

• 5+ years of senior native Android engineering experience.
• Expert Kotlin and Jetpack Compose skills.
• Production experience with offline-first apps using SQLite.
• Kotlin Coroutines and Flow experience.
• Hands-on with gRPC and Protocol Buffers.
• Knowledge of Clean Architecture, MVVM or MVI, and DI with Hilt or Dagger.
• Strong Android security fundamentals and best practices.
• Willingness to work onsite in Melbourne for initial weeks.

Skills

Senior Android engineering

Kotlin

Jetpack Compose

Offline-first architecture

SQLite persistence

Kotlin Coroutines & Flow

gRPC & Protocol Buffers

MVVM or MVI

Dependency injection (Hilt/Dagger)

Android security fundamentals

Onsite Melbourne availability

Tools

gRPC

Protocol Buffers

SQLite

Hilt

Dagger

Jetpack Compose

Job description

X-Team is hiring a contractor to join a mobile engineering squad for a major Australian bank project. You will build an offline-first Android app in Kotlin/Jetpack Compose with SQLite persistence, ensuring resilience when backend services fail.

Expect 6–8 months onsite in Melbourne at the start to align with the team and share knowledge. The role emphasizes strong Kotlin expertise, MVVM/MVI patterns, and secure coding while delivering Open Banking features that connect customer accounts across