About Me
I focus on long-term engineering quality—balancing delivery speed with scalability, maintainability, and reliability.
➤ Led development of applications serving 200K+ users and supporting 80K+ active groups
➤ Strong experience: Android + Kotlin, Flutter, C++
➤ Deep expertise in Kotlin, MVVM, Clean Architecture, Dependency Injection
➤ Proven leadership experience mentoring engineers and defining mobile engineering best practices
➤ Strong cross-functional collaboration with product, backend, and QA teams
Open to Senior/Lead Mobile Engineering roles.
Skills
Professional Experience
Software Engineer, LiiLab, Sylhet
Developing Android applications for an edtech platform using Kotlin and integrating FMOD library for advanced audio processing.
Software Engineer, Concepft Soft, Remote
Developed audio processing Android applications using Kotlin, C++ with JNI, and FMOD Sound Engine.
Flutter Developer, Swadeshi Branding Limited
Developed e-commerce and seller management applications using Flutter.
Professional Experience
Software Engineer, LiiLab, Sylhet
Built core features for the OneIELTS mobile app using Flutter and Clean Architecture, including a QTI-XML to dynamic Flutter widget rendering system powering mock tests for 150K+ users worldwide. Refactored the Sub4Sub Android application using Kotlin and XML with Clean Architecture and implemented WebView automation using JavaScript interfaces for workflows used by 1M+ users.
Android Developer, Concepft, Remote
Developed the complete Android application "Voice Changer – Voice Effects" from scratch using Kotlin, XML, C++, and FMOD. Implemented real-time voice effects with native C++ audio processing and designed scalable UI components for high-performance audio manipulation.
Flutter Developer, Hackules Inc., Remote
Developed a Flutter-based mobile learning platform with structured courses, lessons, and user progress tracking. Implemented Clean Architecture modules and integrated REST APIs for authentication, course data, and content delivery.
Flutter Developer, Swadeshi Branding Ltd, Remote
Developed the Swadeshi E-commerce Platform including both customer and vendor mobile applications using Flutter. Implemented product listing, browsing, order flow, and vendor product management features with responsive cross-platform UI and backend API integration.
Education
- Master's of Science in Computer Science and Engineering
- Bachelor of Science in Mathematics
Portfolio Projects
E-Commerce Application
Contact
Email: nayeem2021@outlook.com