Books

Frameworks and patterns for designing scalable mobile systems.

Practical problem-solving patterns and structured thinking.

Classic and modern patterns implemented in Kotlin.

Native development workflows and performance fundamentals.

Sensors, audio, biometrics, health, fusion, foldables, and testing.

Retrofit, OkHttp, Ktor, realtime connections, caching, security, and testing.

Structured concurrency, cancellation, Flow, and Android async patterns.

Compose fundamentals, architecture, adaptive UI, animation, and testing.

Build shared mobile logic and UI across Android and iOS with KMP.

Hardening apps with secure storage, auth, and integrity.

Unit, Compose, screenshot, and end-to-end testing strategies.

Manual DI, Hilt, and Koin — scopes, lifecycles, and production patterns.

Room fundamentals, relationships, migrations, offline-first sync, and testing.

Build modern Wear OS apps, tiles, complications, watch faces, and health experiences.

Build inclusive Compose interfaces with semantics, accessible components, testing, and design systems.

Create multimodal Android apps with streaming, tools, images, speech, realtime voice, and retrieval.

Build polished TV experiences with Compose, D-pad focus, Media3 playback, search, and home integration.

Close the gap between using Kotlin and being interviewed on it — nullability, coroutines, Flow, generics, and interop.

Drive ambiguous LLD interviews to clean object models — SOLID, patterns, and 11 worked designs from parking lots to ride-hailing.