We are looking for a Senior Android Developer to work on a long term freelance mission full time, fully remote for a Client in the Marking Technology Sector.Start date - ASAP - Next Monday Salary - $2,000 per month (USD) Location - fully remote, Please note, this role does not provide sponsorship.You'll join a vibrant and diverse team dedicated to excellence in digital marketing and technology. We offer a supportive, innovative environment where creativity thrives. With a focus on continuous improvement and robust connections with clients worldwide, we're more than just a team; we're a community eager to welcome our next Android DeveloperRESPONSIBILITIESApp Development: Develop and maintain high quality native Android applications using Kotlin / Java. Translate product and design requirements into reliable, performant mobile features. UI/UX Implementation: Implement clean, intuitive, and responsive user interfaces following Material Design guidelines. Work with Jetpack Compose and/or XML layouts to bring UI/UX concepts to life, ensuring consistency and smooth interaction Bug Fixing and Maintenance: Investigate and resolve crashes, ANRs, edge-case behavior, and device-specific issues. Maintain a stable and reliable Android app experience across a diverse device ecosystem Performance Optimization: Continuously improve app launch time, rendering performance, memory usage, and network efficiency. Utilize profiling tools to identify bottlenecks and ensure fast, seamless performance. Backend Integration: - Integrate with RESTful APIs, handle network responses efficiently, and manage local data. Version Control and Collaboration: Use Git for version control, collaborating effectively with designers, backend developers, and QA engineers to deliver consistent, high-quality feature releases Testing and QA: Implement automated tests (Unit, UI, Instrumentation) and follow rigorous debugging practices to maintain code quality and application stability. Google Play Store Management: Prepare builds, manage Play Console configurations, handle release notes, QA tracks, and ensure smooth app rollouts and updates similar to the App Store submission process. Continuous Learning: Keep up to date with the latest Android ecosystem trends, Jetpack libraries, tooling improvements, AI tools and best practicesQUALIFICATIONS:Minimum 5 years of experience with Android development. Strong proficiency in Kotlin / Java, with solid understanding of Android SDK fundamentals. Experience with Jetpack Compose, Android libraries, and modern app architectures (MVVM, MVI, Clean Architecture). Skilled in REST API integration and offline caching. Experience with asynchronous programming. Familiar with CI/CD practices and tools for Android delivery. Strong problem-solving mindset with a focus on performance and scalability. Good understanding of Google Play release processes and internal testing workflows. Experience working with analytics, crashreporting tools, and A/B testing is a plusKEY SKILLS: Kotlin Java Jetpack Compose / Material UI API Integration Git & CI/CD Testing & DebuggingPlease note, this role does not provide sponsorship.