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Android / Java Developer

Technology
Helius Technologies
Singapore, Singapore1 month agoUntil 28/10/2026
Service contract

Job description

Multiple Openings

Role 1) Android Developer:

Role 2) Java Developer:

Role 3) React

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1 Role : Android Developer

Job Summary

We are seeking skilled Android Developers to design, develop, test, and maintain high-quality mobile applications for Android platforms. The ideal candidate will have extensive experience building scalable, user-friendly applications and possess strong knowledge of Android development frameworks, application lifecycle management, and mobile UI/UX best practices.

Key Responsibilities

  • Design, develop, and maintain Android applications using Kotlin and/or Java.
  • Collaborate with product managers, designers, and backend developers to define and implement new features.
  • Write clean, efficient, and maintainable code following industry best practices.
  • Integrate RESTful APIs and third-party services.
  • Troubleshoot, debug, and optimize application performance.
  • Conduct unit testing and participate in code reviews.
  • Ensure application security, quality, and responsiveness.
  • Publish and manage applications on Google Play Store.
  • Stay updated with Android platform updates, emerging technologies, and industry trends.
  • Work within Agile/Scrum development methodologies.

Mandatory Skills & Experience

  • 8 years of Android application development experience.
  • Strong proficiency in Kotlin and Java.
  • Hands-on experience with Android SDK, Android Studio, and Jetpack Components.
  • Experience with MVVM, MVP, or Clean Architecture.
  • Strong experience integrating REST APIs and JSON/XML data.
  • Familiarity with Git and version control systems.
  • Understanding of mobile application security and performance optimization.
  • Strong analytical and problem-solving skills.

Preferred Skills

  • Jetpack Compose.
  • Firebase (Authentication, Analytics, Crashlytics, Cloud Messaging).
  • CI/CD pipelines for mobile applications.
  • Automated testing frameworks.
  • Experience with Azure, AWS, or Google Cloud.
  • SQLite / Room Database.

Technical Skills

  • Android SDK
  • Kotlin / Java
  • Android Studio
  • Jetpack Compose
  • MVVM Architecture
  • RESTful APIs
  • Firebase
  • SQLite / Room Database
  • Git / GitHub / GitLab
  • Agile / Scrum

Role 2) Java Developer:

Key Skills Required

Mandatory Skills & Experience

  • Strong experience with Java (8/11/17 ).
  • Hands-on experience with Spring Boot, Spring MVC, Spring Data JPA, and Spring Security.
  • Experience developing REST APIs and Microservices.
  • Proficiency in React.js, JavaScript (ES6 ), HTML5, CSS3, and Bootstrap/Material UI.
  • Hands-on experience developing and integrating Micro Frontend (MFE) applications using React.
  • Experience with Redux or Context API.
  • Strong knowledge of Oracle, PostgreSQL, or MySQL databases.
  • Familiarity with Git and version control systems.
  • Experience with Maven or Gradle.
Understanding of Agile/Scrum methodologies.

Role 3): ReactJS Developer

Key Technical Requirements

  • Strong expertise in ReactJS, JavaScript (ES6 ), TypeScript, HTML5, and CSS3
  • Extensive experience with React Hooks, Redux, Context API, and state management
  • Hands-on experience in Micro Frontend (MFE) architecture
  • Deep expertise in Webpack Module Federation, including:
  • Managing 100 Micro Frontends
  • Monorepo management
  • Shared module configuration across MFEs
  • Navigation and data sharing between MFEs
  • Managing multiple React MFE versions within host applications
  • Experience with React performance optimization and dynamic caching strategies
  • Strong experience integrating REST APIs and third-party applications
  • Performance tuning of web servers such as Nginx and IIS
  • Experience with CI/CD pipelines (Jenkins, GitHub Actions, Azure DevOps, GitLab CI/CD)
  • Strong knowledge of Git and version control
  • Experience with Jest, React Testing Library, or similar testing frameworks
Keywords
monthsOfExperience: 96ReactOSCrashlyticsDocBookHTML5XBELGitLabKotlinReduxSQLiteSpring FrameworkSpring SecurityJSONModel–view–presenterMAVENTypescriptWebpackModel–view–viewmodelAndroid StudioOracle Database

Interested in this role?