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Backend and security

Design server APIs and grow them into secure, operable backend systems.

By the end of this path

Design HTTP boundaries, validation, authentication, and error handling for a safe server feature.

Before you start

Web basics and functions and types in one programming language are helpful.

Learning sequence

  1. 1

    Getting Started with a Dev Environment

    Beginner

    From turning on the computer to running your first code. A 5-step climb for beginners.

    5 stepsStart →
  2. 2

    Backend with Spring Boot 4

    Intermediate

    An 8-step path through a real backend — from the first line to auth, deployment, and Spring MVC failure contracts.

    8 stepsStart →
  3. 3

    Web security foundations — JWT · OAuth · OWASP

    Intermediate

    Practical security in eight steps — auth, validation, headers, CORS, email verification, and row-level security.

    8 stepsStart →
Start with Getting Started with a Dev Environment →