Android Developer

Quantum Technologies LLC; Charlotte (NC); On-site; USD 90,000 - 130,000; Full time

Job summary

Quantum Technologies. LLC in Charlotte, NC is seeking a skilled Android Developer to design, develop, test, and maintain high-quality Android applications using Kotlin and Java, Android SDK, Jetpack, and modern mobile practices.

You will implement MVVM and Clean Architecture, integrate RESTful services, ensure performance and security, and collaborate with backend, QA, and design teams to deliver reliable features for Google Play.

Qualifications

• Proficient in Android app development using Kotlin/Java.
• Experience with MVVM and Clean Architecture.
• Familiarity with RESTful APIs and Android Jetpack.

Responsibilities

• Design, develop, test, and maintain scalable Android applications.
• Implement features using Kotlin and Java with Android SDK/Jetpack.
• Integrate RESTful APIs and third‑party services.
• Apply MVVM and Clean Architecture patterns.
• Optimize performance, memory usage, and battery life.
• Write unit tests and UI automation tests; participate in code reviews.
• Collaborate with backend, UI/UX, QA, and product teams.
• Ensure security, data protection, and smooth app releases to Google Play.

Skills

Kotlin

Java

Android SDK

Jetpack

MVVM

Clean Architecture

Unit testing

Tools

Retrofit

OkHttp

Firebase

DI frameworks

CI/CD

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Work Authorization:US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Description:

We are seeking a skilled Android Developer with strong experience in designing, developing, testing, and maintaining high-quality Android applications. The ideal candidate should have hands‑on expertise in Kotlin, Java, Android SDK, Android Jetpack, and modern mobile application development practices.

• Design, develop, test, and maintain scalable Android applications.
• Build new application features and enhance existing functionality using Kotlin and Java.
• Develop reusable, maintainable, and high-performance application components.
• Utilize Android SDK, Jetpack libraries, and modern Android development frameworks.
• Implement user interfaces based on business requirements and UI/UX designs.
• Integrate RESTful APIs, backend services, and third‑party applications.
• Implement application architecture patterns such as MVVM and Clean Architecture.
• Optimize application performance, responsiveness, battery consumption, and memory usage.
• Troubleshoot application issues and perform debugging and root‑cause analysis.
• Develop and execute unit tests, integration tests, and UI automation tests.
• Participate in code reviews and maintain coding standards.
• Collaborate with backend developers, UI/UX designers, QA engineers, and product teams.
• Implement secure authentication, data protection, and application security practices.
• Support application releases, deployment, and publishing through the Google Play Store.
• Monitor application stability and continuously improve application quality.
• Stay updated with emerging Android technologies and development best practices.

Preferred Skills:

• Experience with Jetpack Compose and modern declarative UI development.
• Knowledge of Kotlin Coroutines and Flow.
• Experience with Firebase services, including Firebase Cloud Messaging, Crashlytics, and Analytics.
• Exposure to CI/CD pipelines using Jenkins, GitHub Actions, or Azure DevOps.
• Experience with dependency injection frameworks such as Dagger, Hilt, or Koin.
• Knowledge of Retrofit, OkHttp, and API integration.
• Experience with offline‑first application development and caching strategies.
• Familiarity with biometric authentication and mobile security standards.
• Experience with Agile/Scrum development methodologies.
• Experience publishing and maintaining applications on Google Play Store.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.