Backend Development

Servers, APIs, databases and business logic — the machinery behind every app.

intermediate~50 hours14 topics~28h of lessonsRoadmap Level 4

The web is where most CS jobs start; shipping a real full-stack app proves you can build end to end.

RECOMMENDED BEFORE THIS
○ JavaScript○ Databases○ APIs

These are suggested first. You can still open any topic — this only helps you pick an order.

Prerequisites:JavaScriptDatabasesAPIs
Learning Path
07 stages
14 topics · 7 stages0/14 completed
01

Fundamentals

Start from zero. Build the vocabulary.

What Happens on a Server~45 minbeginnerNode.js and the Server Runtime~75 minintermediate
02

Core Concepts

The ideas you cannot skip.

Web Frameworks (Express/Fastify)~90 minintermediateBuilding REST APIs~90 minintermediateAuthentication and Authorization~90 minintermediate
03

Intermediate

Connect ideas and go deeper.

Database Integration (SQL + ORM)~90 minintermediateWeb Security Essentials~60 minintermediateCaching and Performance~60 minintermediate
04

Advanced

Beyond the basics.

Background Jobs and Queues~75 minadvancedScaling, Logging and Monitoring~75 minadvanced
05

Practice

Solve problems until it sticks.

Practice: Build API Endpoints~180 minintermediate
06

Projects

Apply everything in real work.

Project: Notes API~360 minintermediateProject: URL Shortener~300 minadvanced
07

Interview Prep

Convert knowledge into offers.

Backend Interview Questions~90 minadvanced