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Become a Java Backend Developer

Java Backend Developer

A structured path to fresher Java backend roles: core Java, OOPs, collections, SQL, Spring Boot APIs and the fundamentals service companies test.

Get a personalised planSee the 3-course path

What a Java Backend Developer does

A Java backend developer writes the server side code that processes requests, applies business rules and stores data. A typical day includes building or changing APIs, writing database queries, writing tests, fixing defects and reviewing code.

Java is widely used in Indian IT services and in banking, insurance and enterprise software, which makes it a common requirement in fresher hiring.

Skills and tools

Skills you need

  • Core Java and object oriented programming
  • Collections and generics
  • Exception handling and multithreading basics
  • SQL and relational database design
  • Spring Boot and REST APIs
  • Unit testing
  • Data structures and algorithms

Tools you will use

  • IntelliJ IDEA or Eclipse
  • Maven or Gradle
  • Spring Boot
  • MySQL or PostgreSQL
  • Postman
  • Git and GitHub
  • JUnit

Your path, in order

  1. Java Programming and Application Development: BeginnerBeginner · 8 weeks · CertificateGo from zero to your first real Java application: OOP, collections, databases, and a Generative AI powered feature.
  2. Java Programming and Application Development: IntermediateIntermediate · 8 weeks · CertificateGo from coder to Java backend developer: Spring Boot, JPA and Hibernate, Spring Security, testing, and AI powered enterprise backends.
  3. Java Programming and Application Development: AdvancedAdvanced · 8 weeks · CertificateFrom developer to Java architect: JVM internals, performance engineering, distributed microservices, and a multi agent AI platform.

Projects to build

  • Library management API

    Build REST endpoints to add, search, issue and return books, with a relational database and input validation.

  • Expense tracker backend

    Create user accounts, categories and monthly summaries, with tests for the main business rules.

  • Console based banking simulation

    Model accounts, transactions and error handling with core Java and collections before moving to a framework.

What interviews cover

  • OOPs principles with examples
  • Difference between abstract classes and interfaces
  • Collections: List, Set, Map and when to use each
  • Exception handling
  • String immutability
  • SQL joins and normalisation
  • Basic Spring Boot structure

Not sure where you are on this path?

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For becoming a Java Backend Developer

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Frequently asked questions

Java remains common in enterprise software and in IT services hiring, so it is a practical choice for many fresher roles.

No. Interviewers test core Java and OOPs thoroughly. Build that foundation first.

Arrays, strings, hashing, stacks, queues, linked lists, trees, sorting and searching cover most fresher coding rounds.

Search for Java developer, backend developer, software engineer and associate software engineer roles.