Muhammad Umer
Senior Android Developer
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About
Worked on integrating SDKs for medical devices, ensuring accurate data capture and smooth communication between devices and the application. Built and maintained scalable Android applications using Kotlin, following MVVM and Clean Architecture principles, with modern UI development in Jetpack Compose. Developed features such as PDF report generation, along with reliable offline and online data synchronization to improve overall user experience.
Experience
Senior Android Developer (Consultancy) at GlucoRx (2025-12 – Present)
- Worked on integrating SDKs for medical devices, ensuring accurate data capture and smooth communication between devices and the application.
- Built and maintained scalable Android applications using Kotlin, following MVVM and Clean Architecture principles, with modern UI development in Jetpack Compose.
- Developed features such as PDF report generation, along with reliable offline and online data synchronization to improve overall user experience.
- Implemented security-focused solutions and utilized Android NDK with C/C++ to enhance performance and protect sensitive healthcare data.
- Collaborated with cross-functional teams, participated in code reviews, and followed best practices to maintain high code quality.
- Investigated and resolved bugs, optimized app performance, and ensured smooth functionality across different devices and Android versions.
Senior Android Developer at Squadio (2024-06 – 2025-11)
- Migrated the entire UI from XML to Jetpack Compose, enhancing performance and UI scalability.
- Refactored the app using MVVM architecture, with Hilt for dependency injection and Coroutines for asynchronous tasks.
- Added offline-first capability using Room and DataStore for persistence.
- Integrated and managed APIs with Retrofit, following best practices for networking and error handling.
- Improved code structure with clean architecture, boosting maintainability and testability.
- Optimized build performance with Gradle and introduced modularization.
Senior Android Developer at Kodx System (2023-06 – 2024-05)
- Worked on a robust POS system using Kotlin, MVVM architecture, and Android Jetpack.
- Integrated external devices including Summni payment terminals, Brother QL label printers, and MQTT-based hardware.
- Developed reliable communication over Bluetooth, USB, and MQTT protocols for seamless hardware interaction.
- Enhanced tablet experience with adaptive UI, responsive layouts, and accessibility improvements.
- Supported multi-location configuration and internationalization features.
- Collaborated cross-functionally to resolve device-related issues and ensure real-time performance.
Android Developer at Soft PVT (2022-09 – 2023-05)
- Developed key logistics and delivery features across FreshBox, CTS Move UK, and LoadX, including real-time order tracking, shipment bookings, authentication, document uploads, and checkout functionality with support for both online and offline modes.
- Implemented clean, scalable architecture using MVC and MVP design patterns; integrated RESTful APIs, Firebase, and live location tracking to enhance performance and user experience across logistics platforms.
Android Developer at Royal Soft (2021-07 – 2022-08)
- Developed and maintained Kashtkaar, a corporate-focused agricultural support application, delivering features like product listings, digital crop management, and localized support tools to empower farmers and cooperatives.
Android Developer at Envy Technologies (2019-11 – 2021-06)
- Developed multiple utility-based Android applications from scratch with clean architecture and intuitive UI. Integrated Google AdMob and Facebook Audience Network for monetization. Notable apps include: Unseen – Recover And Restore Deleted Messages, GPS Genie, Inspire Quote, Expense Manager, Highway Route Weather, Wallpaper Heaven, QuizLand, PDF Reader, and Notes App.
Education
Bachelor of Science (Hons) in Computer Science – University Of Gujrat (2015-09 – 2019-06)
