Java Integration Engineer

**Currently we are not able to Sponsor, We Encourage you to apply only USC & GC** Role: Java Integration Engineer Locations: Hartford, CT, Dallas TX, Chicago, IL Experience: 9+ Years Must have: IIB/ACE, Integration Engineer, Java Microservices, MongoDB, API design Job Description: We are looking for a highly experienced Java Integration Engineer with strong expertise in IBM Integration Bus (IIB) / App Connect Enterprise (ACE), microservices architecture, and API design. The role involves designing, developing, and supporting scalable integration solutions using modern integration patterns and technologies, with a strong focus on performance, reliability, and security Key Responsibilities Design, develop, and maintain enterprise integration solutions using IBM IIB / ACE Build and deploy microservices-based integration flows Design and implement RESTful APIs and event-driven services Develop Java-based integration components and shared libraries Integrate systems using HTTP/REST, SOAP, MQ, Kafka, FTP, File-based integrations Work with MongoDB for data persistence, transformations, and lookup patterns Apply integration patterns (sync/async, pub-sub, request-reply, orchestration) Perform API lifecycle management including versioning, documentation, and governance Ensure security best practices (OAuth2, JWT, TLS, API security) Job Types: Full-time, Contract Work Location: In person