Ahmad Bilal Khan

Designed and maintained scalable Android applications using Clean Architecture, MVVM, MVP, and Repository patterns to ensure maintainable code and long-term stability. Implemented advanced security features (DexGuard/ProGuard, biometric authentication, VPN detection, SSL pinning) for secure user experiences. Managed end-to-end lifecycle from requirements gathering and architecture design to Google Play deployment and Firebase-based monitoring. Led code reviews, mentored developers, and established coding standards to raise team competency. Optimized performance, added unit/integration testing, and collaborated with cross-functional teams and clients on architectural and functional decisions. Developed POCs and demos to showcase feature functionality and influence product direction.

Designed and maintained scalable Android applications using Clean Architecture, MVVM, MVP, and Repository patterns, ensuring maintainable codebases and long-term stability. Built project foundations with best practices, design patterns, and modern Android development techniques to improve team productivity and code quality. Integrated advanced security features, including DexGuard/ProGuard, biometric authentication, VPN detection, and SSL pinning, ensuring secure user experiences. Managed end-to-end project lifecycle from requirements gathering and architecture design to deployment on Google Play and post-release monitoring using Firebase. Conducted code reviews, mentored developers, and established coding standards, raising overall team competency and reducing production issues. Optimized app performance, implemented unit and integration testing, and resolved complex technical challenges to maintain app reliability and efficiency. Led project teams and client interactions, providing t

Developed a robust payment SDK for in-app purchases, enabling seamless integration for third-party developers and vendors with minimal setup. Designed and implemented client portals allowing vendors to monitor revenue, generate reports, and manage in-app transactions efficiently. Created comprehensive SDK documentation and integration guides, improving adoption and reducing support requests from external developers. Provided backend support for payment processing, troubleshooting integration issues, and ensuring reliable and secure transactions. Collaborated with cross-functional teams to deliver developer-friendly solutions that met both technical and business requirements.