Java Backend Developer

Job Description

Role & responsibilities: 6+ years of experience in backend development with Java. Strong experience building RESTful APIs and microservices using Spring Boot or other Java-based frameworks. Hands-on experience with Java 8+ (lambda expressions, streams, etc.). Experience with JPA/Hibernate for ORM and interacting with relational databases. Technical Skills : Expertise in Spring Boot and Spring MVC for building robust Java-based applications. Solid understanding of RESTful services, HTTP, and web service design principles. Experience with OAuth2 and JWT for API security and authentication. Familiarity with API documentation tools like Swagger or OpenAPI. Experience with database management and query optimization in SQL databases like MySQL, PostgreSQL, or Oracle. Experience with NoSQL databases (e.g., MongoDB, Cassandra) is a plus. Knowledge of message queues (e.g., RabbitMQ, Kafka) for asynchronous processing. Familiarity with Docker and containerization for deployment. Knowledge of CI/CD tools (e.g., Jenkins, GitLab CI) and version control using Git. API Design and Development: Design, implement, and maintain RESTful APIs and microservices in Java to support business applications and mobile platforms. Backend Development: Write clean, efficient, and scalable Java code to implement backend features and integrate with frontend applications. Database Integration: Work with relational databases (e.g., MySQL, PostgreSQL) and NoSQL databases (e.g., MongoDB) to create database models, execute queries, and manage data flow. Security and Authentication: Implement API security mechanisms using OAuth2, JWT, and other authentication techniques. Performance Optimization: Monitor, troubleshoot, and optimize the performance of APIs, ensuring low-latency responses and high scalability.