StudyAtlas — Learn Backend Engineering

StudyAtlas — clear backend engineering notes built for learning by doing: OS, networks, databases, JavaScript, Node, Express, MongoDB, Docker, AWS, Git, AI and DSA practice.

Operating Systems

Core operating system concepts for interviews and backend engineering.

Computer Networks

Networking concepts every backend developer should be able to explain.

Object-Oriented Programming

OOP concepts, relationships, design principles, and common interview questions.

Databases & SQL

Database fundamentals, SQL, transactions, scaling, and interview-heavy DBMS topics.

AI for Backend Developers

AI fundamentals, APIs, RAG, pipelines, safety, and agent concepts for backend work.

AWS Fundamentals

Must-know AWS services and cloud concepts for backend developers.

React / Namaste React

React notes from the public NamasteReact course repository, covering foundations, routing, hooks, data flow, styling, optimization, and testing basics.

JavaScript

JavaScript fundamentals, async behavior, browser/runtime concepts, and coding-round exercises.

Docker

Docker fundamentals for running and shipping backend applications.

Node.js

Node.js runtime fundamentals, async IO, modules, streams, and backend coding exercises.

Express.js

Express routing, middleware, REST APIs, auth, validation, and backend API exercises.

MongoDB

MongoDB documents, schema design, indexes, aggregation, Mongoose, and database exercises.

MERN Integration

How React, Node, Express, and MongoDB connect in real full-stack applications.

Git & GitHub

Git fundamentals, branching, collaboration, and GitHub workflows from scratch.

GitHub CI/CD

GitHub Actions workflows for CI, image publishing, and deployment.