A Java Full Stack Developer is a qualified who works across both backend and frontend layers of an application, with Java as the core backend technology. Below is a complete, practical overviewrole, skills, tech stack, and career expectations—commonly used in India (including Bangalore tech roles).

What Does a Java Full Stack Developer Do?

A Java Full Stack Developer:

- Designs, builds, tests, and deploys end-to-end web applications
- Works on server-side logic (Java) and client-side UI
- Integrates APIs, databases, and cloud services
- Collaborates with product, QA, DevOps, and UI/UX teams

Core Skill Set
1. Backend (Java-Centric)

- Java (Core + Advanced)

- Spring Framework

- Spring Core

- Spring Boot

- Spring MVC

- Spring Security

- ORM / Persistence

- Hibernate

- JPA

- API Development

- RESTful services

- JSON / XML
- Authentication & Authorization

- JWT

- OAuth2

1. Frontend

- HTML5

- CSS3

- JavaScript (ES6+)

- UI Frameworks

- Angular

- State Management
- Redux / Context API (React)

- Responsive Design

- Bootstrap

- Material UI

1. Database

- Relational Databases





- MySQL

- PostgreSQL

- Oracle

- NoSQL (optional but valuable)

- MongoDB

- Redis
- SQL Queries, Indexing, Performance tuning

1. DevOps & Tools

- Version Control: Git, GitHub/GitLab
- Build Tools: Maven, Gradle
- CI/CD: Jenkins, GitHub Actions

- Containers: Docker

- Cloud Platforms

- AWS

- Azure

- GCP

- Servers

- Apache Tomcat

- Nginx

1. Testing & Quality

- Unit Testing: JUnit, Mockito
- Integration Testing
- API Testing: Postman, REST Assured

Typical Architecture
- Monolithic (beginner–intermediate)
- Microservices (intermediate–advanced)
- MVC / Layered architecture
- REST-based microservices with frontend SPA

Typical Job Responsibilities
- Develop backend services using Java + Spring Boot
- Build frontend UI using Angular
- Create and consume REST APIs
- Optimize application performance
- Write clean, maintainable, testable code
- Participate in code reviews and Agile ceremonies

📌 Java Full Stack Developer -Hyderabad -g ( 3-5 yrs) (Bengaluru)
🏢 Infosys
📍 Bengaluru