Malik Hamid Javed
Android Developer, React Native Developer and Kotlin Developer for transportation, fintech, healthcare and enterprise mobile products.
Doha, Qatar • Remote Ready
Senior Mobile Application Engineer
Android | React Native | IoT Solutions | Transportation | FinTech
I build scalable Android, React Native and IoT-powered mobile applications for transportation, fintech, healthcare and enterprise platforms. With 8+ years of experience in Kotlin, Java, Jetpack Compose and modern Android architecture, I help teams deliver reliable, high-performance mobile products.
Currently working with Mowasalat (Karwa), Qatar, on mobile applications and IoT integrations for vehicle monitoring, fleet management and smart transportation systems.
Professional Snapshot
8+ Years Experience
Mobile application development across Android Native, React Native and enterprise systems.
Android & React Native
Strong expertise in Kotlin, Java, Jetpack Compose, Android SDK and React Native.
IoT & Smart Mobility
Experience integrating mobile apps with vehicle monitoring, tracking and IoT device platforms.
Transportation & FinTech
Delivered products for ride-hailing, fleet operations, fintech transactions and healthcare platforms.
Technical Leadership
Experience leading mobile development, finalizing requirements and supporting production systems.
Remote Ready
Comfortable working with distributed teams, Agile workflows, code reviews and async collaboration.
About Me
I am Malik Hamid Javed, a Senior Mobile Application Engineer based in Doha, Qatar, with more than 8 years of experience designing, developing and maintaining production-grade mobile applications.
My core expertise is Android Native development using Kotlin and Java, along with cross-platform development using React Native. I have worked across multiple business domains including transportation, ride-hailing, fintech, healthcare, enterprise platforms and IoT-enabled mobility solutions.
Read Full BackgroundCore Focus Areas
Mobile Development
Android SDKKotlinJavaReact NativeJetpack ComposeAndroid Architecture Components
Architecture
MVVMClean ArchitectureRepository PatternDependency InjectionModular App Development
Android Tools & Libraries
Room DatabaseCameraXWorkManagerCoroutinesNavigation ComponentsFirebase
What I Can Help With
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Android App Development
Native Android applications using Kotlin, Java, Jetpack Compose, Android SDK and modern architecture patterns.
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React Native Development
Cross-platform mobile app development using React Native for Android and iOS applications.
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Mobile App Architecture
Scalable mobile architecture using MVVM, Clean Architecture, Repository Pattern, dependency injection and modular design.
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IoT Mobile Integration
Mobile integrations with IoT devices, vehicle monitoring hardware, fleet management systems and real-time tracking platforms.
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API & Backend Integration
REST API integration, JSON data handling, authentication flows, backend communication and enterprise system connectivity.
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Mobile Performance Optimization
Performance tuning, crash reduction, app stability improvements, code refactoring and production issue resolution.
Learn moreFeatured Projects
View portfolioTransportation, IoT, Fleet Management
Smart Mobility & Fleet Monitoring Platform
Developed mobile application features and integrations for vehicle monitoring, fleet tracking, telemetry and smart mobility operations at Mowasalat (Karwa).
AndroidKotlinJavaREST APIsIoT IntegrationVehicle Tracking
Transportation, Ride-Hailing
Ride-Hailing Mobile Applications
Led Android development for Ryde Qatar mobile applications, supporting ride-hailing workflows, driver operations and user-facing mobility features.
AndroidKotlinJavaJetpack ComposeRoom DatabaseCameraX
FinTech, Payments
FinTech Transaction Solutions
Worked on fintech mobile products focused on secure transaction solutions, backend integrations and mobile banking and payment workflows.
AndroidKotlinJavaSpring FrameworkREST APIsSQL
Healthcare
Healthcare Digital Products
Maintained and enhanced healthcare applications covering telehealth, prescription management and appointment scheduling workflows.
AndroidJavaKotlinREST APIsHealthcare ApplicationsPerformance Optimization
Let's Build Something Reliable
I am open to remote and international opportunities in Android development, React Native development, mobile architecture, IoT integrations and technical leadership.
If you are building a mobile product in transportation, fintech, healthcare, IoT or enterprise technology, feel free to contact me.
hamidjaved1995@gmail.comDoha, QatarOpen to remote roles, contract work and full-time opportunities