Java Full Stack Developer

Required Technical Skills

Backend

• Java 8/ 11 /17
• Spring Boot
• Spring MVC
• Spring Data JPA/Hibernate
• Microservices Architecture
• REST APIs
• Spring Security
• JWT/OAuth2 Authentication
• Maven/Gradle

Frontend

• React.js
• JavaScript (ES6+)
• HTML5
• CSS3
• Bootstrap/Material UI

Database

• MySQL/PostgreSQL
• SQL Query Optimization

DevOps Deployment

• Git
• Jenkins or similar CI/CD tools
• Docker
• Kubernetes (preferred)
• Application Deployment
• Linux basics

Testing

• JUnit
• Mockito
• JaCoCo
• Unit Testing
• Integration Testing
• Regression Testing

Required Knowledge

Candidates should possess a strong understanding of

• Core Java and Object-Oriented Programming
• Spring Boot Auto Configuration
• Dependency Injection and Bean Lifecycle
• Difference between @Component, @Service, and @Repository
• Microservices Communication
• API Gateway concepts
• Service Discovery
• Authentication and Authorization between Microservices
• Versioning strategies for Microservices
• Choreography vs Orchestration Architecture
• High-Level Design (HLD)
• Low-Level Design (LLD)
• Design Patterns
• Software Development Life Cycle (SDLC)
• Agile/Scrum methodology
• CI/CD Pipeline
• Code Coverage Analysis using JaCoCo
• Technical Documentation and API Documentation

Preferred Skills

• Experience with Kafka or RabbitMQ
• Knowledge of Redis or Caching mechanisms
• Exposure to Cloud Platforms (AWS/Azure/GCP)
• Experience with SonarQube
• Basic understanding of Kubernetes and container orchestration

Interview Evaluation Areas

Candidates should be able to confidently explain

• Project Architecture and Business Flow
• End-to-End Development Lifecycle
• High-Level Design (HLD) and Low-Level Design (LLD)
• CI/CD Pipeline and Deployment Process
• Authentication and Authorization in Microservices
• Microservice Versioning Strategy
• Testing Strategy (Unit, Integration, Regression)
• Documentation maintained during the project
• Spring Boot Auto Configuration Flow
• JaCoCo Code Coverage Process
• Choreography vs Orchestration in Microservices
• Roles and Responsibilities in current/previous projects

Educational Qualification

• Bachelors degree in Computer Science, Information Technology, or a related field.

Experience

• 3 to 5 years of hands-on experience in Java Full Stack Development.
• Experience in developing enterprise-grade applications using Spring Boot, Microservices, and React.
• Strong problem-solving, debugging, and analytical skills.
• Excellent communication and collaboration abilities.

About the Role

We are looking for a passionate and skilled Java Full Stack Developer with 3 to 5 years of experience in building scalable enterprise applications using Java, Spring Boot, Microservices, and React. The ideal candidate should have strong backend development expertise along with frontend development experience and a solid understanding of software architecture, deployment, testing, and modern development practices.

Key Responsibilities

• Design, develop, and maintain scalable web applications using Java, Spring Boot, Microservices, and React.
• Develop RESTful APIs and integrate them with frontend applications.
• Design and implement scalable Microservices-based solutions.
• Participate in High-Level Design (HLD) and Low-Level Design (LLD) discussions.
• Build reusable, maintainable, and high-quality code following best coding practices.
• Collaborate with cross-functional teams including QA, DevOps, Business Analysts, and Product Owners.
• Perform code reviews and ensure adherence to coding standards.
• Troubleshoot production issues and provide timely resolutions.
• Participate in deployment activities and support CI/CD pipelines.
• Create and maintain technical documentation, design documents, and API documentation.
• Contribute to application performance optimization and scalability improvements.

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