Multiple Android, Java & React Developer Positions
Helius Technologies · Singapour
Job description
About the role
We are hiring experienced developers for Android, Java and React positions to build high‑quality applications and services. Candidates will work in cross‑functional teams, delivering mobile apps, backend services and modern web interfaces.
Key responsibilities
- Design, develop and maintain Android applications using Kotlin and/or Java.
- Build RESTful APIs and micro‑services with Spring Boot, Spring MVC and Spring Data JPA.
- Create responsive web user interfaces using React.js, JavaScript (ES6+), HTML5, CSS3 and UI libraries such as Bootstrap or Material UI.
- Integrate third‑party services, cloud platforms (Azure, AWS, Google Cloud) and Firebase features.
- Collaborate with product managers, designers and backend engineers to define and implement new features.
- Write clean, efficient, maintainable code and follow industry best practices.
- Perform unit testing, code reviews and participate in Agile/Scrum ceremonies.
- Optimize application performance, security and responsiveness.
- Publish and manage Android apps on Google Play Store.
Required profile
- 8+ years of Android application development experience.
- Strong experience with Java (8/11/17+) and Kotlin.
- Proven experience with Spring Boot, Spring MVC, Spring Security and building micro‑services.
- Solid knowledge of React.js and modern front‑end development.
- Hands‑on experience with REST APIs, JSON/XML, databases (Oracle, PostgreSQL, MySQL, SQLite/Room).
- Familiarity with version control (Git, GitHub, GitLab) and CI/CD pipelines.
- Experience working in Agile/Scrum environments.
Required skills
- Kotlin
- Java
- Android SDK
- Android Studio
- Jetpack Compose
- MVVM / MVP / Clean Architecture
- RESTful APIs
- JSON
- XML
- Git / GitHub / GitLab
- Agile / Scrum
- Firebase (Authentication, Analytics, Crashlytics, Cloud Messaging)
- CI/CD pipelines
- Automated testing frameworks
- Azure
- AWS
- Google Cloud
- SQLite
- Room Database
- Spring Boot
- Spring MVC
- Spring Data JPA
- Spring Security
- Microservices
- React.js
- JavaScript (ES6+)
- HTML5
- CSS3
- Bootstrap
- Material UI
- Micro Frontend (MFE)
- Redux
- Context API
- Oracle
- PostgreSQL
- MySQL
- Maven
- Gradle
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Published 1 month ago
Expires 1 week from now
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Helius Technologies
Singapour