Sonsoft

Java Android Developer

Position Type: Full-Time / Permanent
Experience Required: 3+ Years
Department: Software Engineering / Mobile Development

Job Summary

We are seeking an experienced Java Android Developer to design, develop, test, and maintain high-quality Android mobile applications. The ideal candidate will have strong hands-on experience with Java, Android SDK, Android Studio, RESTful APIs, and mobile application architecture.

The Java Android Developer will collaborate with product managers, UI/UX designers, backend developers, QA engineers, and other technical teams to develop scalable, secure, and user-friendly Android applications.

Key Responsibilities

• Design, develop, test, and maintain Android applications primarily using Java.

• Develop reusable, scalable, and maintainable application components.

• Work extensively with Android SDK, Android Studio, and related Android development tools.

• Integrate Android applications with RESTful APIs and backend services.

• Implement application features based on business and functional requirements.

• Work with Android components such as Activities, Fragments, Services, Broadcast Receivers, and Content Providers.

• Implement responsive user interfaces using XML layouts and Material Design principles.

• Manage local application data using SQLite and Room Database.

• Handle JSON data parsing and communication between mobile applications and backend services.

• Implement asynchronous operations, background processing, and network communication.

• Apply appropriate Android application architecture patterns such as MVC, MVP, or MVVM.

• Debug and troubleshoot application defects, crashes, memory issues, and performance problems.

• Optimize applications for performance, responsiveness, reliability, and battery efficiency.

• Write clean, efficient, maintainable, and well-documented Java code.

• Perform unit testing and participate in application integration testing.

• Collaborate with QA engineers to identify, reproduce, and resolve application defects.

• Use Git or similar version-control systems for source-code management.

• Participate in code reviews and follow established software-development best practices.

• Support CI/CD processes for Android application builds and deployments.

• Prepare and maintain applications for release through the Google Play Store.

• Monitor production applications and resolve technical issues as required.

• Stay current with Android platform updates, development standards, and mobile technology trends.

Required Qualifications

• Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related field.

• Minimum 3 years of professional Android application development experience.

• Strong programming experience with Java.

• Strong knowledge of Android SDK and Android application development.

• Hands-on experience with Android Studio.

• Strong understanding of Android application lifecycle and Android components.

• Experience integrating RESTful APIs and web services.

• Experience working with JSON and API-based data communication.

• Knowledge of SQLite and/or Room Database.

• Experience implementing Android UI using XML layouts.

• Understanding of Material Design guidelines and responsive mobile interfaces.

• Experience with application architecture patterns such as MVC, MVP, or MVVM.

• Strong debugging, troubleshooting, and problem-solving skills.

• Experience with Git and version-control workflows.

• Understanding of object-oriented programming (OOP), data structures, and software-design principles.

Preferred Qualifications

• Experience with Kotlin in addition to Java.

• Knowledge of Jetpack components such as ViewModel, LiveData, Navigation, and WorkManager.

• Experience with Retrofit or similar REST API libraries.

• Experience with dependency-injection frameworks such as Dagger or Hilt.

• Familiarity with Firebase services, including Crashlytics, Analytics, and Cloud Messaging.

• Experience with push notifications and Firebase Cloud Messaging (FCM).

• Familiarity with Gradle build configuration and dependency management.

• Experience with JUnit, Espresso, or other Android testing frameworks.

• Knowledge of CI/CD tools such as Jenkins, GitHub Actions, or similar platforms.

• Experience deploying and maintaining applications through the Google Play Console.

• Understanding of mobile application security best practices.

Technical Skills

• Java

• Android SDK

• Android Studio

• Android Application Development

• Object-Oriented Programming (OOP)

• XML

• RESTful APIs

• JSON

• Retrofit

• SQLite

• Room Database

• MVC / MVP / MVVM

• Android Jetpack

• Material Design

• Git

• Gradle

• Firebase

• FCM

• JUnit

• Espresso

• CI/CD

• Google Play Store

Soft Skills

• Strong analytical and problem-solving abilities

• Excellent communication skills

• Strong attention to detail

• Ability to work independently and within a collaborative development team

• Ability to manage multiple development priorities

• Strong commitment to code quality and application performance

• Ability to communicate technical concepts effectively with technical and non-technical stakeholders

Responsibilities for Quality and Performance

The Java Android Developer will be responsible for ensuring that applications meet established standards for functionality, performance, security, usability, and reliability. The developer should proactively identify performance bottlenecks, application crashes, memory leaks, and other technical issues and implement appropriate solutions.

Equal Opportunity Employer

We are an equal opportunity employer committed to maintaining a diverse and inclusive workplace. Employment decisions are made without regard to race, color, religion, sex, national origin, age, disability, veteran status, or any other characteristic protected by applicable law.