Senior Android Engineer — Build Secure Banking Apps & Mentor

DBS Bank Ltd; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

DBS Bank Ltd. is seeking experienced Android Engineers to join the banking mobile app team in Singapore. You will design, build and optimise features, ensure performance and security, and mentor junior engineers in an Agile environment.

The role focuses on shipping a hybrid banking app, collaborating with product, design, QA and web teams, and delivering features from development to Play Store release.

Qualifications

• A 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 such as MVVM, MVP and Clean Architecture.
• Dependency injection frameworks such as Dagger, Hilt or Koin.
• Networking with Retrofit/OkHttp and REST APIs.
• Local data storage with Room / SQLite.
• Experience building and optimising hybrid apps, including communication protocols between native and web layers.
• Multi‑module Gradle builds.
• Performance optimisation: memory leaks, profiling, startup time, ANRs, UI jank.
• Security best practices: Android Keystore, certificate pinning, obfuscation (R8/ProGuard) and OWASP mobile guidelines.
• Unit and UI testing with JUnit, Mockito/MockK and Espresso.
• Git, CI/CD pipelines and the Play Store release process.
• Crash and performance monitoring tools.
• Experience reviewing code and mentoring junior engineers.
• Experience working in Agile/Scrum teams.
• Strong problem‑solving and communication skills, with cross‑functional collaboration.

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

Jetpack Compose

RxJava

Kotlin Coroutines

MVVM

MVP

Clean Architecture

Dagger/Hilt/Koin

Retrofit/OkHttp

Room/SQLite

CI/CD

Play Store release process

Tools

Android SDK

Gradle

XML Views

CI/CD pipelines

Google Play Console

Job description

DBS Bank Ltd. is seeking experienced Android Engineers to join the banking mobile app team in Singapore. You will design, build and optimise features, ensure performance and security, and mentor junior engineers in an Agile environment.

The role focuses on shipping a hybrid banking app, collaborating with product, design, QA and web teams, and delivering features from development to Play Store release.