Senior Android Engineer - Kotlin, Performance & Security

Quess Selection & Services; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

Quess Selection & Services is seeking an experienced Senior Android Developer in Singapore. You will lead Kotlin-based Android development for large-scale applications, ensure security and performance, and independently troubleshoot production issues across multi-team codebases.

The role emphasizes hands-on Kotlin, Android SDK mastery, and collaboration with cross-functional teams to deliver robust mobile experiences for customers and internal users.

Qualifications

• 4+ years of commercial Android development experience with Kotlin.
• Experience delivering production Android apps and maintaining large-scale projects.
• Ability to independently investigate and resolve complex technical issues across multiple teams.

Responsibilities

• Develop and maintain large-scale Android applications using Kotlin.
• Ensure security, performance, and reliability across Android versions and devices.
• Troubleshoot production issues including crashes, ANRs, and UI performance bottlenecks.
• Collaborate with multiple engineering teams to integrate features and improve app quality.

Skills

Kotlin Development

Android SDK & Architecture

Jetpack Compose

Concurrency & Performance

Android Security

Production Debugging

Application Maintenance

Tools

Android Studio

Android Debugging Tools

Heap Analysis

Crash Reporting Tools

CI/CD for Mobile

Job description

Quess Selection & Services is seeking an experienced Senior Android Developer in Singapore. You will lead Kotlin-based Android development for large-scale applications, ensure security and performance, and independently troubleshoot production issues across multi-team codebases.

The role emphasizes hands-on Kotlin, Android SDK mastery, and collaboration with cross-functional teams to deliver robust mobile experiences for customers and internal users.