sidecode

Master Software Engineering

The interactive way to learn code.

Stop watching passive video tutorials. Type real code directly in your browser, build your daily streak, and let our AI mentor guide you to mastery.

50k+ Coders

4.9 Rating

250+ Modules

def greet(name):
return f"Hello, {name}!"
print(greet("Coder"))

XP

+150 XP

Lesson Complete!

🔥

47 Day Streak!

Keep it up!

Python

Luau

JavaScript

TypeScript

Java

C++

C#

Go

Swift

Rust

Kotlin

PHP

Ruby

HTML5

CSS3

Python

Luau

JavaScript

TypeScript

Java

C++

Everything you need to level up

Earn gems & buy boosts!

Collect gems as you learn and spend them on power-ups in the shop.

Gamified lessons, zero boredom.

XP, rewards, and interactive challenges keep you hooked every session.

Earn streaks with friends!

Code daily, keep your flame alive, and race friends on the leaderboard.

Detailed feedback to improve!

Our AI breaks down every mistake so you actually understand what went wrong.

How Sidecode Works

A structured, science-backed approach to mastering computer science.

Step 01

Choose Your Path

Select a language like Python, JavaScript, or C++. We guide you from basic syntax to advanced data structures.

Step 02

Interactive Coding

Write real code in our integrated browser IDE. Fill in blanks, order algorithms, and squash bugs actively.

Step 03

Instant AI Feedback

When you make a mistake, our AI instantly analyzes your logic and explains exactly how to fix your syntax.

Who is Sidecode for?

Our dynamic curriculum adapts to your skill level, ensuring you are always challenged but never overwhelmed.

Absolute Beginners

Never written a line of code? Perfect. We start from the absolute basics, explaining logic using plain English before introducing complex syntax.

Fast Track

Career Switchers

Looking to break into the tech industry? Learn industry-standard architecture, algorithmic thinking, and build real problem-solving skills.

University Students

Want to ace your Computer Science exams? Practice daily on your laptop and let our platform drill you on algorithms and memory management.

Loved by thousands of developers.

Don't just take our word for it. See what our community has to say.

W support.

"Apperantly I somehow didn't get my subscription and their support was quick to help! W support ngl!"

L

lter lter

RO · Verified

Plus subscription really great value!

"Plus subscription really great value and customer support superb!"

T

Tim

GB · Verified

Great experience so far

"I have only been using Sidecode for about an hour, but my experience so far has been very positive. The website is easy to navigate and everything feels clean and well organized. It's simple to get started and the platform runs smoothly. I also had a small problem about payment but the support was quick to respond and very helpful. So far I'm really happy with it."

H

Holger Rasmussen

DK · Verified

A Good Way To Learn Coding.

"Highly recommended for anyone trying to pick up a new language fast."

I

ICE Clan

GB · Verified

An Exhaustive Curriculum

From basic variables to advanced machine learning pipelines. We map out the exact progression required to become an elite software engineer.

1

The Basics

Variables, Strings, and Output.

2

Logic & Booleans

If/Else statements and truth conditions.

3

Control Flow

For loops, While loops, and Iteration.

4

Data Structures

Arrays, Lists, Sets, and Tuples.

5

Functions

Parameters, Returns, and Scope.

6

Dictionaries

Key-Value Pairs and JSON Objects.

7

Object Oriented

Classes, Methods, and 'this/self'.

8

Inheritance

Polymorphism and overriding classes.

9

Error Handling

Try, Catch, Finally, and Exceptions.

10

File Systems

Reading, Writing, and Appending IO.

11

Web APIs

REST, Fetch, GET, and POST Requests.

12

Async Logic

Promises, Await, and Thread blocking.

13

Algorithms I

Sorting: Bubble, Insertion, Selection.

14

Algorithms II

Advanced: Merge Sort and Quick Sort.

15

Linked Lists

Pointers, Heads, Tails, and Nodes.

16

Binary Trees

BSTs, Insertion, and Deletion.

Simple, transparent pricing.

Start for free and learn the basics. Upgrade to Plus when you're ready to remove limits and unlock the AI Tutor.

Basic

Always Free

£0/mo

Full Web Curriculum Access
Global Leaderboards
10 Energy Limit (Refills over time)
Ad-supported experience

Premium

Sidecode Plus

Annual Plan · Best Value

£34.99/yr

Just £2.91 per month!

Infinite Energy
AI Practice & Error Explanations
Advanced Coding Sandbox
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Cancel auto-renewal anytime in your profile settings.

What do you want to learn?

Add a Profile Picture

Personalize your account for the leaderboards.

How did you hear about us?

TikTok

Instagram

X (Twitter)

Google Search

AI Assistant (ChatGPT)

Friends / Family

Other

Why are you learning to code?

Career Switch

I want to get a job in tech.

University / College

To help with my degree.

High / Middle School

For my computer science class.

Upskilling

To automate tasks at my current job.

Just for Fun / Hobby

I just want to build cool things.

What is your daily goal?

Casual

0-5 mins / day

Regular

5-15 mins / day

Serious

15-30 mins / day

Intense

30+ mins / day

How much do you know about Coding?

Absolutely Nothing

I know a few basics

I'm an intermediate

I'm already an expert

Choose your path.

You can always change this later.

Free

£0

Full Map Curriculum
Ad-supported
10 Energy Limit
No AI Tutor

Early Bird Deal

Sidecode Plus

£83/yr

£9.99/once

Infinite Energy
AI Voice Tutor & Reviews
Free CV Certificates
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