eGigHow to become a Java developer
A Java developer builds back-end systems and APIs in Java, usually with the Spring Boot framework, for banks, e-commerce, enterprise software and Android.
Steps to become a Java developer
- Master core Java
Object-oriented programming, collections, exceptions and multithreading.
- Learn Spring Boot
Build REST APIs with Spring Boot, Spring Data JPA and Hibernate.
- Add SQL and testing
MySQL or PostgreSQL, plus unit tests with JUnit.
- Build 2–3 projects
For example a banking API, a library system or an e-commerce back end on GitHub.
- Practise coding tests and apply
Service companies and product companies hire Java freshers in large numbers.
Skills that raise your pay
- Spring Boot and microservices
- Kafka, Docker and Kubernetes
- Banking and fintech domain experience
Prove your skills with a free eGig skill test; the certificate shows on your profile.
Career path
Get ready to apply
Common questions
Is Java still in demand?
Yes. Banks, large enterprises and many product companies run on Java, so demand for Spring Boot developers stays high.
Do I need to learn microservices?
For experienced roles, yes. Freshers should first be strong in core Java, Spring Boot and SQL.
How long does it take to become a Java developer?
Usually 6–9 months, depending on your starting point and how much time you put in.
How much does a Java developer earn?
Typical pay is ₹25,000–₹45,000 a month for freshers, ₹55,000–₹1,10,000 with 2–5 years’ experience and ₹1,10,000–₹2,20,000 for senior staff.