Mobile Development
Build cross-platform mobile applications with React Native, Flutter, and Kotlin Multiplatform.
Kotlin Multiplatform UI Patterns
Practical Compose Multiplatform techniques to ship one shared UI codebase across Android, iOS, and Desktop.
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Flutter vs React Native vs Kotlin Multiplatform: The 2026 Architect's Guide
Comprehensive architectural analysis comparing Flutter, React Native, and Kotlin Multiplatform in 2026. Deep dive into performance, code sharing strategies, ecosystem maturity, long-term viability, and real-world production patterns from a specialist architect perspective.
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Kotlin Coroutines & Channels: Zero to Hero
Guide aligned with the official Kotlin Coroutines docs: kotlinx.coroutines (launch, async), suspending functions (safer than futures), Coroutines basics, Cancellation and timeouts, Composing suspending functions, Context and dispatchers, Channels, Exceptions, Select (experimental), plus Flow/Android references.
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Spring Core with Kotlin: Gold Standard (Phase 1–7)
Gold Standard curriculum for Senior Spring Engineers. Phase 1: DI, Lifecycle, @Configuration vs @Component, Scopes, BeanPostProcessors, Starter. Phase 2: MVC—DTOs, @ControllerAdvice, Filters vs Interceptors, validation, Perfect API. Phase 3: N+1, JOIN FETCH / @EntityGraph, propagation & proxy, @Version, High-Load Optimizer. Phase 4: OAuth2/OIDC, JWT, filter chain, @PreAuthorize, CORS, Secure Vault. Phase 5: Coroutines, WebClient, Kafka/Rabbit, DLQ, Outbox, Reliable Notifier. Phase 6: Actuator, MDC, Micrometer, tracing, Glass Box. Phase 7: Modular Monolith, packaging by feature, DDD lite, testing pyramid, Refactor capstone. Course completion.
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Spring Reactive with Kotlin: Master Course
Master Spring WebFlux with Kotlin: Mono, Flux, map vs flatMap, Zip & Tuples, and the reactive mindset. Step-by-step fundamentals plus challenge sections to solve code.
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Spring Boot Reactive with Kotlin & MongoDB
Zero to Hero: transition from blocking apps to non-blocking Reactive Mongo. Architecture, @Document models, ReactiveMongoRepository, services with flatMap/switchIfEmpty, WebFlux controllers, ReactiveMongoTemplate, and a Reactive Blog Engine capstone.
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Mastering Spring Reactive Programming
A comprehensive guide to reactive programming with Spring. From the Reactive Manifesto and Reactive Streams specification to Project Reactor, Spring WebFlux, and production-ready reactive patterns, all with Kotlin code examples.
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