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~30 Hours 16 Lessons100% Free

Kotlin Multiplatform, Coroutines & Modern Backend Architecture

Null-safety, asynchronous Coroutines, reactive Flow, functional programming, and Kotlin Multiplatform (KMP).

Master Kotlin for modern software engineering: JVM interoperability, compile-time null safety, smart casting, higher-order functions, sealed hierarchies, Coroutines and structured concurrency, Kotlin Flow reactive streams, generics with declaration-site variance, Ktor microservices, and Kotlin Multiplatform (KMP) architecture.

What You Will Learn

  • Compile-Time Null Safety & Smart Cast Mechanics
  • Functional Programming & Higher-Order Functions with Inline Optimization
  • Sealed Interfaces, Data Classes & Pattern Matching
  • Generics with Declaration-Site Variance (in / out) & Reified Types
  • Structured Concurrency with Kotlin Coroutines, Scopes & Dispatchers
  • Reactive Asynchronous Streams with Kotlin Flow, StateFlow & SharedFlow
  • Kotlin Multiplatform (KMP) Architecture for Android, iOS & Web
  • High-Performance Microservices with Ktor & kotlinx.serialization
  • Domain-Driven Design (DDD) & Clean Architecture in Kotlin
  • Coroutines Unit Testing with TestScope and Turbine

Prerequisites & Environment

  • Basic understanding of object-oriented programming concepts.

Complete Course Curriculum (16 Modules)

16 In-Depth Lessons
Module 01

Module 1: Kotlin Overview, JVM Toolchain & Interoperability

1 Lessons

Understand Kotlin bytecode compilation, 100% two-way Java interoperability, and Gradle build architecture.

1.1Kotlin Overview, JVM Toolchain & Interoperability
16m →
Module 02

Module 2: Type System, Compile-Time Null Safety & Smart Casts

1 Lessons

Master nullable types (T?), safe calls (?.), Elvis operator (?:), and automatic smart casting.

2.1Compile-Time Null Safety & Smart Casting
18m →
Module 03

Module 3: Functions, Lambdas, Higher-Order Functions & Inline

1 Lessons

Master first-class functions, trailing lambdas, extension functions, and inline/noinline optimization.

3.1Higher-Order Functions, Extension Functions & Inline
20m →
Module 04

Module 4: OOP, Data Classes, Sealed Hierarchies & Pattern Matching

1 Lessons

Master sealed classes, sealed interfaces, exhaustive `when` expressions, and companion objects.

4.1Sealed Hierarchies, Pattern Matching & Data Classes
22m →
Module 05

Module 5: Collections, Sequences & Functional Transformations

1 Lessons

Master List, Set, Map, lazy Sequences, map, filter, fold, flatMap, and memory optimization.

5.1Collections, Sequences & Lazy Pipeline Evaluation
20m →
Module 06

Module 6: Generics, Declaration-Site Variance (in/out) & Reified Types

1 Lessons

Master covariance (out), contravariance (in), invariance, type projections, and inline reified types.

6.1Generics, Variance (in/out) & Reified Type Parameters
22m →
Module 07

Module 7: Kotlin Coroutines & Structured Concurrency

1 Lessons

Master suspend functions, CoroutineScope, Dispatchers (IO, Default, Main), async/await, and Job lifecycles.

7.1Kotlin Coroutines & Structured Concurrency
26m →
Module 08

Module 8: Asynchronous Reactive Streams with Kotlin Flow & StateFlow

1 Lessons

Master cold Flow, hot StateFlow, SharedFlow, backpressure, operators, and lifecycle-aware collection.

8.1Reactive Streams with Kotlin Flow & StateFlow
24m →
Module 09

Module 9: Kotlin Multiplatform (KMP) & Cross-Platform Architecture

1 Lessons

Share 100% of business logic across Android, iOS, Desktop, and Web using `expect`/`actual` declarations.

9.1Kotlin Multiplatform (KMP) Shared Architecture
24m →
Module 10

Module 10: High-Performance Microservices with Ktor & kotlinx.serialization

1 Lessons

Build lightweight, asynchronous, high-concurrency microservices using the Ktor server framework and JSON serialization.

10.1Asynchronous Microservices with Ktor & Serialization
24m →
Module 11

Module 11: Production Testing, Clean Architecture & Turbine

1 Lessons

Test Coroutines with TestScope, test Flow streams with Turbine, and structure Clean Architecture.

11.1Coroutines Unit Testing, Turbine & Clean Architecture
24m →
Module 12

Module 12: Kotlin Compiler Plugins: FIR Architecture & IR Lowerings

1 Lessons

Master Kotlin K2 compiler internals: Frontend Intermediate Representation (FIR), IR tree transformation, and building custom compiler plugins.

12.1Kotlin 2.0 K2 Compiler: FIR Architecture & IR Transformation
26m →
Module 13

Module 13: Coroutine Machinery: CPS Transformation & State Machines

1 Lessons

Deconstruct Kotlin coroutines: Continuation-Passing Style (CPS), compiler-generated state machines, and Continuation frame allocation.

13.1Coroutine Mechanics: CPS Transformation & Bytecode Internals
26m →
Module 14

Module 14: Kotlin/Native Runtime: C-Interop & LLVM Backend

1 Lessons

Master Kotlin/Native: new Garbage Collector memory model, C-Interop bindings with `cinterop`, POSIX APIs, and LLVM compilation.

14.1Kotlin/Native Architecture: C-Interop & LLVM Compilation
26m →
Module 15

Module 15: High-Performance Serialization: Decoders & Protobuf

1 Lessons

Master `kotlinx.serialization` internals: custom `KSerializer`, zero-allocation streaming decoders, and Protocol Buffers.

15.1kotlinx.serialization: Custom Serializers & Protobuf Streaming
26m →
Module 16

Module 16: Distributed Event Streams with Kafka & Coroutine Workers

1 Lessons

Build reactive microservices: Apache Kafka consumers, backpressure handling with Coroutine Channels, and concurrent pipeline workers.

16.1Distributed Event Streaming with Kafka & Coroutine Channels
26m →