RxJS MasteryThinking in Streams

A 20-module professional course on Functional Reactive Programming with RxJS — from observable fundamentals to enterprise-grade reactive architecture.

Start Module 01

Course Outline

Overview

Foundations & Core Concepts

Modules 01–04 — rewire how you think about async code: the Observable contract, cold vs hot, pipe composition, and your first domain operators.

Advanced Operators & Error Handling

Modules 05–08 — flattening operators (switchMap, mergeMap, concatMap, exhaustMap), custom flattening, robust error handling, and retry & resilience.

Schedulers, State & DevTools

Modules 09–12 — schedulers, the scan + reducer state pattern, advanced state management, and debugging reactive streams with DevTools.

Backpressure & Windowing

Modules 13–16 — backpressure strategies, window/buffer, time windowing, and mastering custom operators.

Architecture & Performance

Modules 17–18 — production-ready reactive architecture patterns and performance optimization.

Testing & Capstone

Modules 19–20 — marble-diagram testing and the capstone Collaborative Real-Time Dashboard that integrates everything.