Coding makes more sense when you can see it.
Free courses for tech careers, explained with animations that show what the code is really doing. Every course has short videos and practice problems right here, so you can learn at your own pace.
Browse courses ▶ Watch on YouTube
Developed and created by Amit Singh
Everything you need for a tech career, in one place
Each course has short videos and its own practice sheet. One is live today and the rest are on the way.
DSA in Java
Data structures and algorithms from Big O to dynamic programming, with LeetCode practice for every topic.
Java
Core Java from basics to collections, streams and multithreading.
AI for Developers
Use LLMs, prompts and AI tools in real coding work.
Python
Python from zero, written the way interviewers expect.
SQL
Queries, joins, indexes and the classic interview questions.
Spring Boot
Build and ship REST APIs the way companies do.
OOPS
Classes, inheritance, SOLID and design patterns with examples.
System Design
Scaling, caching, queues and real design walkthroughs.
Interviews, Resume & LinkedIn
Get shortlisted and handle every round.
Want a course sooner? Tell us in the YouTube comments and we'll prioritise the most requested topics. Subscribe so you don't miss it.
Three steps, every lesson
Watch the episode
Short videos that explain each idea with pictures and animations.
Practise the problems
Each topic comes with practice problems, easy to hard, and hints for when you're stuck.
Track your progress
Tick problems as you solve them. Your progress stays saved in your browser.
Pick a lesson and start today.
It's free, and you don't need to sign up.
Browse courses Subscribe on YouTube