Backend Dev.

Java

• Java Basics
  • loops,Array,String
• OOPS concepts
• Collections and Generics
• Exception Handling
• Multi-threading
• Functional programming(Java 8)
• File I/O
• Data Structures and Algorithms

Advanced

• JDBC
• Servlet
• JPA
• JAX-RS
• Design Patterns
• Thymeleaf

Spring

Spring Core

1. DI/IoC
2. AOP
3. Bean Scope
4. Spring Bean Config Styles(Java and annotaion based)
5. Spring annotation

Spring Boot

• Spring Boot Features
  1. SpringBoot Starters
  2. Autoconfiguration
  3. Elegant configuration management
  4. SpringBoot actuator
  5. Embedded server support
• REST APIs
  1. GET
  2. POST
  3. PUT (PATCH)
  4. DELETE
• Spring Data
  1. Spring Data JPA(Hibernate)
  2. Spring Data MongoDB
  3. Spring Data JDBC
• Spring MVC Web App
  1. Spring MVC concepts
  2. thymeleaf
• Spring security
  1. Authentication
  2. Authorization
  3. JWT
• Testing
  1. MockMVC
  2. SpringBootTest annotation
  3. DataJpaTest annotation
  4. MockBean annotion

Build Tools

• Maven
• Gradle

Database

• RDBMS
  1. MySQL
  2. PostgreSQL
  3. Oracle
  4. MS-SQL
• NoSQL
  1. MongoDB
  2. Cassandra

Unit and Integration Testing

• Assert Library
• Junit Framework
• Mokito Framework

MQ

• Kafka
• RabbitMQ

DevOps

• Docker and kubernetes
• Cloud
  1. AWS
  2. Google cloud
  3. Azure

Essential Skills

• Git
• SQL