Java Developer

Total years of experience - 5+ years Job Location - Gurugram (WFO) Contract - 3 Months Position Overview We are seeking a highly skilled Java/J2EE Developer with strong experience in REST/SOAP web services development, deployment and integration with other systems. knowledge of ECommerce platforms (preferably Oracle ATG Commerce ), Oracle Database , and React for frontend development. The ideal candidate will work across the full software development lifecycle, contributing to architecture, development, integration, testing, and support. Key Responsibilities 1. Java/J2EE Backend Development Design and develop scalable backend components using Java, J2EE, Spring, Servlets, JSP, and MVC frameworks . Implement application modules for hightraffic ECommerce applications. Optimize serverside logic for performance, caching, and reliability. Experience in design/development of J2EE based web application 2. API & Web Services Development Build and consume RESTful and SOAP web services. Develop integration layers for thirdparty systems (payments, logistics, CRM, ERP). Perform API versioning, authentication, and error handling. Create API documentation (Swagger, RAML, WSDL) will be a plus. 3. FrontEnd Development Build responsive UI screens using React , JavaScript, HTML5, CSS3. Integrate React components with backend microservices and REST APIs. Implement state management (Redux/context) and reusable UI components. 4. ECommerce Platform Development (Preferred: ATG Commerce) Develop, customize, and maintain components on: Oracle ATG Commerce / Endeca OR any major ECommerce framework (Hybris, Magento, CommerceTools, Shopify Plus, etc.) Work on catalog management, pricing engines, promotions, checkout flows, and order pipelines will be a plus. 5. Oracle Database Development Write complex SQL queries, stored procedures, triggers, and functions. Work closely with DBAs for schema design and optimization. 6. Testing & Deployment Create unit tests using JUnit/TestNG. Perform integration testing of web services and APIs. Support QA teams, fix defects, and ensure release quality. Work in CI/CD pipelines (Jenkins, Git, Maven, Gradle). 7. Documentation & Collaboration Prepare technical design documents and architecture diagrams. Collaborate with product managers, architects, and QA teams. Participate in Agile/Scrum ceremonies and code reviews