Mustinsar Saeed

Sr Android Developer

CloudES • Temps plein

Dec 2024 - Present • 1 yr 7 mos

Senior Android Developer with 5+ years of experience, currently contributing at Cloude Gate since January 1, 2025. Specializing in modern Android development using Jetpack Compose, with a strong focus on building scalable, maintainable, and high-performance mobile applications. Proficient in Kotlin, MVVM architecture, and clean architecture principles, with strong expertise in designing responsive and intuitive UI/UX using declarative UI patterns. Experienced in integrating RESTful APIs, managing app state, and implementing seamless navigation using modern Jetpack libraries. Demonstrated ability to optimize app performance, reduce technical debt, and enhance code quality through best practices, code reviews, and comprehensive testing (unit and UI). Adept at working in agile environments, collaborating with cross-functional teams, and consistently delivering high-quality features within deadlines. Strong problem-solving mindset with a passion for continuous learning and staying updated with the latest Android technologies and trends. Committed to building impactful, user-centric mobile applications. Key Skills: Android Expert, Kotlin Programmer, Android Developer, Android Studio Expert, Android App Expert, Android SDK Expert, Kotlin Expert, Flutter Expert, Mobile Apps Bug fix expert, rest api expert, kotlin expert, hybrid app expert, manual testing expert, google admob expert, ai development expert Kotlin, Java Jetpack Compose, Android Jetpack Libraries RESTful APIs Integration Navigation Component

Native Android Developer

Logic Worms • Temps plein

Apr 2021 - Dec 2024 • 3 yrs 8 mos

Work Experience Summary – Android Developer (Kotlin & XML) Results-driven Android Developer with over 3.5 years of hands-on experience designing, developing, and maintaining scalable mobile applications using Kotlin and XML-based UI. Contributed to multiple production-level applications across diverse domains, focusing on performance optimization, clean architecture, and high-quality user experience. Specialized in implementing MVVM architecture with clear separation of concerns, ensuring maintainable and testable codebases. Extensively used Kotlin Coroutines and Flow for asynchronous programming, improving app responsiveness and reducing ANRs. Built robust REST API integrations using Retrofit, with proper error handling and data mapping strategies. Experienced in local data persistence using Room Database, SQLite, and DataStore, ensuring efficient offline-first capabilities. Strong expertise in handling complex UI designs using XML, ConstraintLayout, and Material Design components, translating Figma designs into pixel-perfect interfaces. Implemented dependency injection using Hilt, improving modularity and scalability. Integrated Firebase services including Crashlytics, Analytics, and Remote Config to monitor app stability and user behavior. Actively worked on debugging, fixing crashes, memory leaks, and performance bottlenecks using Android Profiler and log analysis. Collaborated closely with cross-functional teams including designers, backend developers, and QA to deliver high-quality features on time. Followed best practices for version control using Git, code reviews, and CI/CD workflows. Key Skills: Kotlin, Java XML UI, Material Design MVVM, Clean Architecture Coroutines, Flow Retrofit, REST APIs Room, SQLite, DataStore Hilt (Dependency Injection) Firebase (Crashlytics, Analytics, Remote Config) Git, CI/CD Debugging, Performance Optimization Agile/Scrum Development