At bKash Limited — the largest mobile financial service in Bangladesh — I developed critical security and verification features used by over 40 million users.
Key Contributions
- Built a Flutter Biometric Authentication Plugin, reducing backend API calls by 40%
- Engineered a Document Scanner with Dart FFI and C++ OpenCV, cutting verification time by 50%
- Developed Face Liveness Detection using ML Kit, saving approximately $15K annually by replacing costly third-party services
- Architected the Bill Payment System in Flutter enabling cross-project code reuse and faster feature delivery
- Published and maintained Flutter packages in an internal repository for code consistency across teams
- Mentored and guided junior developers, improving delivery speed and overall software quality