All roadmaps
Intermediate5 projects
Auth & Identity
Implement the auth flows that show up in nearly every real product.
26+
completed
~24h
total time
5
projects
Part 1·Beginner·4h·26+ learners
Session-Based Auth Fundamentals
Build classic server-side login from scratch — hashed passwords, a signed session cookie backed by Redis, and the cookie flags that actually matter.
Part 2·Intermediate·5h·23+ learners
OAuth 2.0 and OpenID Connect
Add "Sign in with…" to an app the correct way, with a full authorization code flow plus PKCE.
Part 3·Intermediate·5h·20+ learners
Implement JWT Authentication
Build stateless API authentication with signed access and refresh tokens, done correctly.
Part 4·Advanced·5h·17+ learners
Single Sign-On with SAML
Stand up a SAML 2.0 Service Provider that accepts SSO logins from an external identity provider.
Part 5·Advanced·5h·14+ learners
Multi-Factor Authentication
Layer a second factor onto an existing login flow — TOTP codes and recovery flows done right.