API Engineer - Java

<p><p><b>Job Title : </b> API Engineer (SOAP , GraphQL) Ex - EBay Experience Required<br/><br/><b>Location : </b> Bangalore, India<br/><br/><b>Duration : </b> 6 Months (Contract)<br/><br/><b>Positions : </b> 510<br/><br/><b>Exp Range</b> - 5 Yrs +<br/><br/><b>Project Overview : </b><br/><br/>We are undertaking a high-impact migration project to modernise our integration layer by moving from SOAP-based APIs to GraphQL.<br/><br/>The project involves working closely with retailecommerce platforms and requires professionals who can leverage their domain knowledge to ensure a smooth, efficient, and scalable migration.<br/><br/><b>Key Responsibilities : </b><br/><br/>- Collaborate with architects and business analysts to understand SOAP API workflows and business logic on Retail Clients systems.<br/><br/>- Design, develop, and implement GraphQL schemas, resolvers, and integrations to replace existing SOAP APIs.<br/><br/>- Ensure backward compatibility and seamless transition for dependent applications.<br/><br/>- Optimize GraphQL queries and server performance for scalability and maintainability.<br/><br/>- Collaborate with QA to define test cases for API validation and regression testing.<br/><br/>- Troubleshoot integration issues and provide timely resolutions.<br/><br/>- Prepare technical documentation for the migrated services.<br/><br/><b>Required Skills & Experience : </b><br/><br/>- <b>Mandatory : </b> Prior hands-on experience with eBay/Shopify APIs (SOAP, REST, or GraphQL).<br/><br/>- Strong experience with API design, development, and integration.<br/><br/>- Expertise in GraphQL (schema design, resolvers, API security, and performance optimization).<br/><br/>- Proficiency in REST API development (for alternate profiles if GraphQL experience is not available).<br/><br/>- Solid understanding of SOAP API structures, XML, and WSDL.<br/><br/>- Strong programming skills in Java, Node.js, or similar for backend API development.<br/><br/>- Experience with API testing tools (Postman, GraphQL Playground, etc.<br/><br/>- Familiarity with version control systems (Git) and CI/CD pipelines.<br/><br/><b>Preferred Profile Combination : </b><br/><br/>- <b>Highly Preferred : </b> eBay /Shopify API experience + GraphQL expertise.<br/><br/>- <b>Alternate : </b> eBay API experience + REST API expertise.<br/><br/><b>Engagement Details : </b><br/><br/>- <b>Type : </b> Contract (Full-time, Onsite Bangalore)<br/><br/>- <b>Team Size : </b> 510 engineers<br/><br/>- <b>Start Date : </b> 1st September<br/><br/>- <b>Duration : </b> 6 months initially<br/><br/></p><br/></p> (ref:hirist.tech)