Choose Your Level
Pick the difficulty that matches where you are. You can come back and try a harder level later.
Beginner
Implement a Secure JWT Lifecycle
Design a stateless authentication flow using Access and Refresh tokens.
1 to 2 hours 3 criteria
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Intermediate
Build Role-Based Access Control (RBAC)
Write Express middleware to protect routes based on user roles.
2 to 3 hours 3 criteria
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Advanced
Architect an OAuth 2.0 Integration
Implement "Login with Google" securely using the Authorization Code flow.
3 to 5 hours 3 criteria
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