Senior Android Engineer — Banking App & Mentorship

DBS Bank Ltd; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

DBS Bank Ltd. is seeking an experienced Senior Android Engineer for our banking mobile app team in Singapore. You will design, build and ship features, optimise performance, and enforce security practices in a hands-on, mentor-led environment.

You will work with product, design, QA and web teams in an Agile setup, guiding features from development through CI/CD to Play Store release on an ongoing basis.

Qualifications

• Track record of shipping and maintaining production apps on Google Play.
• Strong skills in Kotlin and Java.
• Solid understanding of the Android SDK and component lifecycles.
• UI development with Jetpack Compose and XML Views.
• Reactive programming with RxJava and Kotlin Coroutines/Flow.
• Architecture patterns MVVM, MVP and Clean Architecture.
• Dependency injection with Dagger, Hilt or Koin.
• Networking with Retrofit/OkHttp and REST APIs.
• Local data storage with Room/SQLite.
• Experience building and optimising hybrid apps, including native/web communication.
• Multi-module Gradle builds.
• Performance optimisation: memory leaks, profiling, startup time, ANRs, UI jank.
• Security best practices: Android Keystore, certificate pinning, code obfuscation (R8/ProGuard) and OWASP guidelines.
• Unit and UI testing with JUnit, Mockito/MockK and Espresso.
• Git, CI/CD pipelines and Play Store release process.
• Crash and performance monitoring tools.
• Code reviews & mentoring.
• Agile/Scrum teams.
• Strong problem-solving and communication skills.

Responsibilities

• Design, build and ship new features for a hybrid banking app.
• Profile and optimise app performance and memory usage.
• Apply security best practices in day-to-day development.
• Write clean, tested and maintainable code.
• Review code and mentor junior engineers.
• Work closely with product, design, QA and web teams in an Agile setup.
• Take features from development through CI/CD to Play Store release.

Skills

Kotlin

Java

Android SDK

Jetpack Compose

XML Views

RxJava

Kotlin Coroutines

MVVM

MVP

Clean Architecture

Dagger/Hilt/Koin

Retrofit/OkHttp

Room/SQLite

Hybrid apps

Gradle

CI/CD

Git

JUnit

Espresso

Security

OWASP

Code reviews

Agile

Tools

Android Studio

Play Console

CI/CD tools

Job description

DBS Bank Ltd. is seeking an experienced Senior Android Engineer for our banking mobile app team in Singapore. You will design, build and ship features, optimise performance, and enforce security practices in a hands-on, mentor-led environment.

You will work with product, design, QA and web teams in an Agile setup, guiding features from development through CI/CD to Play Store release on an ongoing basis.