Software Developer

ABS Connect; Singapore; On-site; SGD 90,000 - 180,000; Full time

Job summary

ABS Connect is seeking a skilled Mobile Software Developer focused on native Android or iOS apps. You will design, develop, test, and support high-quality mobile applications used in enterprise environments, collaborating with backend, QA, and DevOps teams.

The role emphasizes modern mobile architectures such as MVVM or Clean Architecture, REST API integration, security, CI/CD practices, and rigorous testing. Strong hands-on experience and a focus on performance are essential.

Qualifications

• 5+ years' hands-on native mobile development.
• Experience in either Android or iOS development.
• MVVM or Clean Architecture experience.
• REST API integration, networking, async programming, data storage.
• Security controls: encryption, secure storage, SSL pinning, biometrics.
• Unit/UI testing, debugging, performance optimization.
• Git and CI/CD practices.
• Understanding of SDLC, Agile, code quality, version control.
• Strong analytical and problem-solving skills.

Responsibilities

• Design, develop, and maintain native mobile apps for Android or iOS.
• Build scalable apps using modern architecture and coding standards.
• Integrate with RESTful APIs and backend services.
• Implement networking, asynchronous programming, local storage, caching, offline-first features.
• Ensure app security via encryption, secure storage, SSL pinning, biometrics.
• Implement authentication/authorization for mobile apps.
• Develop unit, UI, integration, and regression tests.
• Troubleshoot defects, crashes, and performance bottlenecks.
• Profile performance across devices and OS versions.
• Participate in code reviews and uphold standards.
• Manage source control with Git and build tools (Gradle, Xcode).
• Develop and maintain CI/CD pipelines for automated builds and deployments.
• Collaborate with backend, QA, DevOps, and product teams.
• Provide production support and continuous improvement.
• Contribute to docs and engineering best practices.

Skills

Android

iOS

Kotlin

Java

Swift

MVVM

Clean Architecture

REST APIs

Security

CI/CD

Git

Tools

Git

Gradle

Xcode

Job description

Software Developer - Mobile Developer (Android / iOS)

We are seeking an experienced Mobile Software Developer with strong hands-on expertise in either Android or iOS application development. The successful candidate will be responsible for designing, developing, testing, securing, and supporting high-quality mobile applications used in enterprise environments.

The role requires strong knowledge of modern mobile development practices, mobile architecture, API integration, application security, testing, performance optimization, and CI/CD.

Key Responsibilities

• Design, develop, enhance, and maintain native mobile applications for Android or iOS platforms.
• Develop scalable and maintainable mobile applications using modern architecture and coding standards.
• Android: Kotlin, Java, Android SDK, Jetpack Compose, MVVM/Clean Architecture.
• iOS: Swift, iOS SDK, SwiftUI/UIKit, MVVM/Clean Architecture.
• Integrate mobile applications with RESTful APIs, backend services, and third-party services.
• Implement networking, asynchronous programming, local database/storage, caching, and offline-first capabilities.
• Develop secure mobile applications using encryption, secure storage, SSL/TLS, certificate/SSL pinning, biometric authentication, and secure coding practices.
• Implement appropriate authentication and authorization mechanisms for mobile applications.
• Develop comprehensive unit, UI, integration, and regression tests.
• Troubleshoot application defects, production issues, crashes, performance bottlenecks, and memory-related issues.
• Perform application profiling and performance optimization across supported mobile devices and operating systems.
• Participate in code reviews and ensure adherence to coding, security, and architectural standards.
• Manage source code using Git and build/dependency management using Gradle, Xcode, or equivalent tools.
• Develop and maintain CI/CD pipelines for automated build, testing, quality checks, and deployment.
• Collaborate with backend developers, QA engineers, DevOps teams, business analysts, product teams, and other stakeholders.
• Provide production support, root-cause analysis, defect resolution, and continuous improvement.
• Contribute to technical documentation, architecture decisions, development standards, and engineering best practices.

Mandatory Requirements

• Minimum 5 years of hands-on experience in native mobile application development.
• Strong practical experience in either Android or iOS development.
• Strong hands-on experience with modern mobile application architecture such as MVVM or Clean Architecture.
• Strong experience in REST API integration, networking, asynchronous programming, and local data storage.
• Practical experience implementing mobile application security controls, including encryption, secure storage, SSL/certificate pinning, and biometric authentication.
• Experience in unit testing, UI testing, debugging, and performance optimization.
• Hands-on experience with Git and CI/CD practices.
• Strong understanding of software development lifecycle, Agile methodology, code quality, and version control.
• Strong analytical and problem-solving skills with the ability to troubleshoot complex mobile application issues.

Preferred Qualifications

• Experience in Banking, Financial Services, FinTech, Payments, or other regulated industries.
• Experience developing applications supporting high transaction volumes and enterprise-scale environments.
• Knowledge of payment technologies, digital banking, mobile wallets, authentication, or financial applications.
• Experience with mobile application monitoring, crash analytics, and production observability tools.
• Exposure to cloud-based application ecosystems and enterprise API platforms.
• Experience working in Agile/Scrum development teams.