Job Overview:

We are seeking a skilled Java Backend Developer with 4 to 6 years of hands-on experience to join our dynamic backend engineering team. The ideal candidate will have strong expertise in Core Java, Spring Boot, Hibernate, and data structures, coupled with a solid understanding of JVM performance, unit testing, and caching mechanisms such as Redis.

Key Responsibilities:

• Design, develop, and maintain scalable and high-performance backend services using Java, Spring Boot, and Hibernate.
• Write clean, efficient, and testable code following clean code practices and SOLID principles.
• Perform unit testing using Mockito and ensure code quality.
• Integrate and manage Redis caching to improve response time and application performance.
• Monitor and troubleshoot memory leaks, perform heap analysis, and contribute to JVM tuning.
• Collaborate with Frontend Developers, DevOps, and QA teams to ensure smooth end-to-end delivery.
• Participate in code reviews, architecture/design discussions, and performance optimization initiatives.

Required Skills & Qualifications:

• Strong command of Core Java, Object-Oriented Programming (OOP), and interface design.
• Solid understanding of Data Structures and Algorithms.
• Proficiency in Spring Boot, Spring MVC, and Spring Data JPA.
• Practical experience with Hibernate ORM for database persistence.
• Experience with unit testing frameworks, especially Mockito.
• Familiar with method overloading, method overriding, and Java memory management.
• Knowledge of SOLID design principles and best coding practices.
• Hands-on experience with Redis for caching strategies.
• Exposure to JVM tuning, heap dump analysis, and performance diagnostics.

Key Skills:

• Core Java
• Spring Boot
• Spring MVC
• Spring Data JPA
• Hibernate ORM
• Object-Oriented Programming (OOP)
• Data Structures & Algorithms
• Mockito / Unit Testing
• Redis (Caching Mechanism)
• JVM Performance Tuning
• Memory Management & Heap Analysis
• Method Overloading & Overriding
• SOLID Design Principles
• Clean Code Practices
• RESTful API Development
• Git / Version Control
• Agile/Scrum Methodologies
• Code Reviews & Refactoring
• Collaboration with DevOps, QA, and Frontend Teams