- Architecture
- MVVM and Clean Architecture, repository pattern, modular feature layers that survive a year of changes.
- Android internals
- ViewModel, LiveData, Room, Navigation, WorkManager, Hilt for injection, Coroutines and Flow for async work.
- Firebase
- Auth, Firestore, Realtime Database, Cloud Messaging, Crashlytics and AdMob integration and optimisation.
- Release
- Play Store end to end — signing, staged rollout, store listing and the basics of ASO.
- Flutter systems
- Role-based access control, multi-department data flows, live dashboards, attendance and activity tracking.
- On-device AI
- OCR with Tesseract and ML Kit, pose detection with MediaPipe, embeddings and retrieval with ONNX Runtime — AI features that cost nothing per request and send no user data anywhere.
- AI automation
- Agentic workflows, LLMs connected to real tools and APIs, automation pipelines that run unattended.
- AI-assisted engineering
- Claude Code and Codex for planning, refactoring, tests and review — scoped context, verified output, nothing merged unread.
- Web & backend
- React + TypeScript, Next.js, Node.js/Express, PHP 8 + MySQL, SQLite with Drizzle, OpenAPI — shipped in ResumeCraft Pro, Taj Fiberglass and the ENT clinic system.