Backend & APIs
Learn Authentication & Authorization — free and paid courses, roadmaps
Authentication is where most backend security bugs live. CodeWithJay's lessons walk through secure user auth with bcrypt and JWT, handling refresh tokens properly, role-based access control with guards and decorators, and auth as its own microservice.
Authentication & Authorization mini courses
Short, free lessons on one Authentication & Authorization idea at a time.
Free Authentication & Authorization video tutorials
Full-length free lessons from the CodeWithJay YouTube channel.
Free videoNestJS Auth Part 3: Roles Decorator, RolesGuard and Seller-Only Routes: E9
Free on YouTube
Free videoNestJS Unit Testing with Jest: Mock PrismaService and Test JWT Auth e8
Free on YouTube
Free videoThe Only Way to Handle Refresh Tokens in NestJS (Production Guide) E-7
Free on YouTube
Free videoDon't Get Hacked! Secure User Auth with JWT & Bcrypt: E-6
Free on YouTube
Free video🚀 Build a Robust Kafka Auth Microservice in Node.js (Step-by-Step Guide) [Part 18]
Free on YouTube
Free videoMaster JWT Authentication: Secure Your Go Apps Today! [Part 15]
Free on YouTube
Free videoSecure Your Go Microservices: User Verification Techniques Explained [Part 16]
Free on YouTube
Authentication & Authorization learning FAQ
- Can I learn Authentication & Authorization for free on CodeWithJay?
- Yes. CodeWithJay currently has 1 free mini course and 7 free video lessons on Authentication & Authorization. Free courses need only a free account; mini courses and videos need no account at all.
Looking for something else?
Browse every technology CodeWithJay teaches, or get every paid course with one membership.