Senior Java Backend Developer

Core Java & Backend Development

• 5+ years of hands on Java development experience

• Strong proficiency in Java (Java 8+)

• Solid understanding of: o Object Oriented Programming (OOP) o Design patterns (Factory, Singleton, DAO, etc.) o Exception handling, multithreading, and collections

• Experience building scalable, maintainable backend services

API Development

• Strong experience designing and developing RESTful APIs

• Hands on with Spring Boot / Spring MVC

• API design best practices: o HTTP methods, status codes o Request/response validation o Versioning strategies

• Experience with JSON, request serialization/deserialization

• Familiarity with API documentation tools (Swagger / OpenAPI)

• API testing using tools such as Postman, REST Assured, or similar

Frameworks & Libraries

• Spring Framework (Core, Boot, MVC)

• Dependency Injection and Aspect Oriented Programming (AOP)

• Data Power

• ORM frameworks such as: o Hibernate / JPA

• Experience with Microservices architecture is strongly preferred

Database & SQL

• Strong hands on experience with SQL

• Ability to write and optimize: o Complex joins o Subqueries o Stored procedures (nice to have)

• Experience with relational databases such as: o Oracle o Teradata DevOps, Build & Deployment

• Experience with Maven / Gradle

• Version control using Git/bitbucket