Backend

1. Caching

1.1. Server Side

1.2. client Side

2. WebSecurity Knowledge

2.1. Hashing Algoritm

2.2. Https

2.3. Cors

2.4. SSL/TLS

2.5. Server Security

3. Select FrameWork(Express js)

3.1. Node js RunTime Environement

4. Internet Basics

4.1. Next level topic

5. Javascript

5.1. Next level topic

6. Learn About API

6.1. REST API

6.2. JSON API

7. Authentication

7.1. JWT

7.2. Outh

7.3. Token Auth

8. Learn Postman