Hands-On Introduction to In-Memory Database with Redis

Learn most important Redis concepts from scratch with data structures and TTL

What you’ll learn
What Redis is and why it’s used
How Redis differs from traditional databases
Core Redis data types: strings, lists, hashes and sets
How key expiration and TTL work

Requirements
Basic understanding of backend concepts is helpful but not required
No prior Redis experience needed

Description
Redis is one of the most widely used tools in modern backend development — yet it’s often misunderstood or used incorrectly.In this hands-on course, you’ll learn Redis from the ground up, focusing on how it actually works, why it exists, and how it’s used in real-world applications. This is a no-slides course — everything is demonstrated live using Redis CLI, Docker, and real code examples, so you can follow along step by step.We start with the fundamentals: what Redis is, how it differs from traditional databases, and when you should (and shouldn’t) use it. Later, throughout the course, we’ll go beyond just basic key–value storage. We will see how to work with Redis strings, lists, hashes, sets, and sorted sets, and see how these data structures are used in real scenarios such as queues, leaderboards, and unique value tracking. We’ll also cover key expiration and TTLs and finally touch on the concept of persistence and basic monitoring.This course is designed for beginners, backend developers, and anyone who wants to truly understand Redis instead of treating it like a black box.By the end of the course, you’ll have a solid foundation in Redis and know how to confidently use it in your own projects.

Who this course is for
Beginners who want to learn Redis from scratch
Backend developers looking to add Redis to their skill set
Full-stack developers who want better performance