The Java Backend Developer will design, implement, and maintain backend services and APIs that power Wafynet’s platform. This full-time hybrid role is based in Pune City, with flexibility for some work from home. Day-to-day responsibilities include developing scalable server-side logic, integrating with databases and third-party services, and building microservices using the Spring Framework and Java. The developer will collaborate with frontend engineers, product managers, and QA specialists to refine requirements, troubleshoot issues, and optimize performance. The role also involves writing clean, testable code, participating in code reviews, improving system reliability, and contributing to technical documentation and continuous improvement initiatives. Responsibilities Develop, maintain, and enhance enterprise applications using Java 17+ and Spring Boot. Design and implement RESTful APIs and microservices for scalable application architectures. Implement business logic, data access layers, and transaction management using Spring Data JPA and Hibernate. Design database schemas, manage entity relationships, and optimize complex SQL queries. Integrate third-party APIs and implement secure authentication and authorization using JWT or OAuth 2.0. Develop asynchronous services and event-driven integrations using Apache Kafka or RabbitMQ. Identify and resolve application performance bottlenecks, production issues, and database optimization challenges. Write unit and integration tests using JUnit and Mockito, participate in code reviews, and support CI/CD deployments Required Skills Core Java Spring Boot Spring Framework Hibernate / JPA REST API Development Microservices MySQL / PostgreSQL / Oracle Git Maven / Gradle Education Bachelor's degree in Computer Science, IT, or a related field preferred. Show more Show less