Fazal Ur Rehman Bhatti

1: San D PDF Editor (97k+ Downloads):

Developed and maintained the San D PDF Editor app, offering a comprehensive solution for managing and editing PDFs.

• Integrated CompDFKit SDK and Apache PDFBox for advanced PDF functionalities, including editing, watermarking, and encryption.
• Implemented MVVM architecture and Clean Architecture for scalable, maintainable code.
• Utilized Firestore for real-time data synchronization, and FCM for push notifications.
• Integrated WorkManager for background tasks, optimizing performance for document processing.
• Implemented Retrofit for API integration, and AdMob for in-app monetization with prepaid subscriptions.
• App Link: https://play.google.com/store/apps/details?id=com.sandav.sandpdf&hl=en.

Key Technologies: Java, Kotlin, MVVM, Retrofit, Firestore, FCM, WorkManager, CompDFKit SDK, Apache PDFBox, AdMob.

2: Sandav Delivery

• Designed and implemented a responsive UI for the app using Flutter, ensuring a seamless cross-device experience.
• Integrated secure Laravel APIs for efficient data exchange between the app and the server.
• Developed features like user authentication, push notifications, and in-app messaging using Flutter packages, integrated with a Laravel backend.
• Optimized app performance and ensured compatibility across Android devices.
• Collaborated with the design team to convert UI/UX designs into functional mobile interfaces.
• Conducted testing and debugging to resolve issues, and enhance app stability.
• Worked with the backend team for seamless API integration.
• Kept up to date with the latest in Flutter, Android, and Laravel development best practices.

App Link: https://play.google.com/store/apps/details?id=com.sandav.customer&hl=en

• Developed Grab Panda: Food Delivery app using MVVM Architecture and Firestore, increasing user engagement by 20% within the first month.
• Contributed to LuvmymyHuman: Shopping app with Firestore MVVM implementation, reducing API response time by 30%.
• Collaborated on Blue Dreams: Music app, leveraging Cloud Firestore and ExoPlayer, resulting in a 15% reduction in app loading time.
• Actively implemented features in Grab Panda, enhancing the user experience and driving a 25% increase in app ratings.
• Utilized MVVM architecture in LuvmymyHuman, improving codebase organization and reducing complexity by 20%.
• Integrated Firestore for real-time data synchronization, boosting data retrieval speed by 40%.
• Employed ExoPlayer for audio playback in Blue Dreams, cutting audio buffering time by 50%.
• Ensured smooth navigation and content discovery in Blue Dreams, leading to a 20% increase in user retention rate.
• Delivered 100% of assigned tasks across various projects, consistently meeting deadlines and contributing to successful project completion.

• Developed 10 music apps, 5 e-commerce platforms, 3 social networking apps, and 2 virtual reality applications across diverse industries.
• Achieved compatibility for over 500 mobile screen sizes, enhancing user experience.
• Integrated 15 third-party libraries/APIs, boosting app functionality by 30%.
• Implemented offline storage, threading, and database optimizations, reducing loading time by 40%.
• Enhanced app performance, achieving 50% fewer crashes, and 60% higher user retention.
• Translated 20+ business requirements into technical specifications for precise client delivery.
• Conducted unit testing, achieving a 95% pass rate for edge cases.
• Uploaded and verified 25 apps on the Google Play Store, ensuring policy compliance.
• Contributed to high-impact projects, including Vithi Bazaar, Al2gether, London Energy Radio, and Deeplomatic Radio, enhancing features and functionality.
• Boosted user engagement in Deeplomatic Radio by 25% through improved interaction and streaming capabilities.

• Developed BRJ Delivery Service app using Flutter, focusing on real-time tracking and order management.
• Integrated Firebase for authentication, cloud storage, and real-time database.
• Collaborated with the design team to create an intuitive UI.
• Assisted in testing, debugging, and optimizing app performance.
• Contributed to agile development at TechCon Solution.

• Developed the VPN PRO app, optimizing virtual host functionality for improved performance.
• Integrated the ZXing library for seamless QR code scanning and generation.
• Enhanced app connectivity by implementing server connections through JSON parsing.
• Implemented in-app purchase and product modules to support monetization strategies.
• Conducted information gathering and proof of concept for the development of upcoming features.
• Collaborated on various app projects at TechnoSofts, Sialkot, contributing to cross-functional team efforts.