Android Developer

Themesoft Inc; Portland (ME); Hybrid; USD 100,000 - 150,000; Part time

Job summary

Themesoft Inc is seeking an experienced Senior Mobile Developer to design, build, test, and maintain high-quality Android applications using Kotlin. You will work in a hybrid role based in Portland, ME, collaborating with product, design, backend, and QA teams to deliver scalable mobile solutions.

The ideal candidate has hands-on experience with Jetpack Compose, MVVM, REST API integration, offline caching, and a strong emphasis on testing and performance.

Qualifications

• Proven Kotlin Android development experience.
• Strong knowledge of MVVM and Clean Architecture.
• Experience integrating REST APIs and handling offline data.

Responsibilities

• Design, develop, and maintain native Android apps using Kotlin.
• Build scalable apps with Android SDK and modern architecture.
• Implement UI with Jetpack Compose and Material Design.
• Integrate RESTful APIs, authentication, and push notifications.
• Apply MVVM/Clean Architecture and contribute to code quality.
• Write unit/UI tests and collaborate with QA to fix defects.
• Participate in code reviews and architectural discussions.
• Ensure security, performance, and release readiness via CI/CD.

Skills

Kotlin

Jetpack Compose

MVVM / Clean Architecture

REST API Integration

Offline and Caching Strategies

Unit Testing

Debugging and Performance Profiling

Tools

Android Studio

Android SDK

Room

WorkManager

Job description

Location : Role is hybrid (2-4 days/wk) based out of Portland, ME

Work Arrangement : Hybrid

Employment Type : Contract

Must-have Skills:

• Kotlin
• Jetpack Compose
• MVVM / Clean Architecture
• REST API Integration
• Offline and Caching Strategies
• Unit Testing
• Debugging and Performance Profiling

About the Role

We are seeking an experienced Senior Mobile Developer with strong Kotlin expertise to design, develop, test, and maintain high-quality Android applications.

The ideal candidate will have hands-on experience building scalable, secure, and high-performance mobile applications using modern Android development practices.

The candidate will work closely with product managers, UI/UX designers, backend engineers, and QA teams to deliver reliable and user-friendly mobile solutions.

Key Responsibilities:

• Design, develop, and maintain native Android applications using Kotlin.
• Build scalable and maintainable applications using Android SDK and modern Android architecture. Develop responsive and user-friendly mobile interfaces following Material Design principles.
• Work with Jetpack components, including ViewModel, LiveData, Room, Navigation, and WorkManager.
• Implement modern UI using Jetpack Compose. Integrate RESTful APIs and backend services into Android applications. Work with JSON, authentication, push notifications, and third-party SDK/API integrations.
• Implement MVVM / Clean Architecture and appropriate design patterns. Write clean, reusable, testable, and well-documented code.
• Develop unit tests and UI tests and work closely with QA to resolve defects. Troubleshoot performance issues, crashes, memory leaks, and other production issues.
• Participate in code reviews and contribute to technical design and architecture discussions.
• Collaborate with cross-functional teams in an Agile/Scrum environment.
• Ensure applications meet security, performance, scalability, and usability requirements. Support application releases through Google Play Store and CI/CD pipelines.

Work Authorization

Applicants must be legally authorized to work in the United States.

Themesoft Inc is an Equal Employment Opportunity employer. We consider qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other status protected by applicable federal, state, or local law.