Senior Software Engineer with 9+ years of experience across real-time communication, digital identity, on-device ML, and consumer mobile products.
I turn complex requirements into reliable Android products—from architecture and delivery to optimization and production support.
I'm Md. Mahedi Hasan, a Senior Android Engineer based in Dhaka. I build secure, scalable applications using modern Android frameworks and practical engineering fundamentals.
My work spans communication platforms, digital identity, AI-assisted learning, on-device machine learning, consumer utilities, and government systems. I collaborate closely with product, design, backend, QA, and engineering teams to ship maintainable products.
Clean Architecture, MVVM, Compose, modularization, and maintainable delivery patterns.
MQTT, WebRTC, Telecom, encrypted messaging, reliable synchronization, and resilient networking.
CameraX, ML Kit, TensorFlow Lite, cloud speech, generative AI, OCR, and document processing.
Database tuning, concurrency, memory optimization, automated testing, and production monitoring.
Technical planning, hands-on delivery, engineering guidance, and production reliability across public- and private-sector products.
Lead Android feature planning and architectural decisions from design through production. Modernize legacy modules, mentor engineers, lead code reviews, and deliver secure messaging, identity, AI/ML, and performance-focused capabilities.
Built and maintained in-house mobile and web applications from requirements through release. Contributed to architecture, REST integrations, database design, vendor coordination, performance optimization, and reliable CI/CD delivery.
Developed Android features for a Secondary Sales Automation platform, integrated mobile and web components, resolved production defects, and delivered business requirements for major consumer and industrial clients.
Developed JavaFX and Spring-based desktop modules, resolved defects through testing, and built responsive websites in collaboration with cross-functional teams.
Published applications built through professional collaboration and a continuing passion for exploring new mobile trends.
AI learning made engaging, contextual, and safer for curious minds.
Child-friendly AI learning app with voice conversations, curated videos, parental controls, and COPPA-focused safety.
Secure communication for messages, calls, teams, and real-time collaboration.
Secure communication platform with encrypted messaging, threaded collaboration, group calls, real-time translation, and resilient synchronization.
Movie and TV discovery with trailers, watchlists, AI-assisted recommendations, and community features. · 50K+ downloads
→AI tutor with OCR/PDF summaries, quizzes, essays, and spaced-repetition flashcards.
→Privacy-focused digital wellbeing with habit-based unlocks, screen-time budgets, and local insights.
→Gamified hydration tracking with smart reminders, progress history, and a plant companion.
→Personal finance utility for organizing daily income, expenses, balances, and transactions.
→Creative tool for styling and sharing visual quotes and text-based social posts.
→A practical toolkit for designing, building, testing, and operating robust mobile applications.
Kotlin · Java · Jetpack Compose · Views · Material Design
Clean Architecture · MVVM · MVI · Hilt · modular design
Room · SQLite · DataStore · SharedPreferences · PostgreSQL
MQTT · WebRTC · Telecom · Retrofit · OkHttp · REST APIs
CameraX · ML Kit · TensorFlow Lite · Generative AI · OCR
Coroutines · Flow · StateFlow · WorkManager · Paging 3
JUnit · Espresso · Macrobenchmark · Crashlytics · profiling
Signal Protocol · PQC · biometrics · encrypted storage · VPN