Java API Developer

Job Description

The Java API Developer is responsible for designing developing and maintaining scalable secure and high performance RESTful and or SOAP APIs using Java and modern frameworks This role collaborates with product architecture QA and DevOps teams to deliver robust backend services that power web mobile and enterprise applications Key Responsibilities API Design Development Design and develop RESTful APIs and backend services using Java Spring Boot and related frameworks Implement microservices with well defined contracts best practices and reusability in mind Ensure APIs meet non functional requirements security scalability performance and reliability Develop reusable components libraries and frameworks to support core service architecture Integration Backend Engineering Integrate APIs with databases message queues identity platforms and third party services Design and optimize data models database queries and ORM mappings Work with DevOps to support API deployments using CI CD pipelines Quality Assurance Testing Write unit integration and automated tests using JUnit Mockito or similar frameworks Collaborate with QA to ensure correct test coverage and resolve defects Perform code reviews refactoring and improvements for maintainability and performance Documentation Collaboration Document API specifications using Swagger OpenAPI Participate in Agile ceremonies and collaborate with cross functional teams Provide estimates feasibility analysis and technical support to product teams Required Skills Qualifications 3 7 years of experience in Java development Strong proficiency in Java 8 Spring Boot Spring MVC and Spring Cloud Experience in building and consuming RESTful APIs Solid understanding of ORM Hibernate JPA and relational databases MySQL PostgreSQL Oracle Experience with Git Maven Gradle and CI CD Jenkins GitLab CI GitHub Actions etc Familiarity with microservices architecture and distributed systems fundamentals