Senior IBM IIB Integration Engineer

<strong>Job Title: Integration Architect / Senior Integration Engineer</strong><p><strong>Location:</strong> Hartford, CT</p><p><strong>Duration:</strong> <strong>12+ Months</strong></p><p><strong>Experience Required:</strong> <strong>10+ Years</strong></p><p><br></p><strong>Job Summary:</strong><p>We are seeking a highly experienced <strong>Integration Architect / Senior Integration Engineer</strong> to design and deliver large-scale enterprise integrations. The ideal candidate will bring strong expertise in <strong>IBM IIB / ACE, IBM MQ, Java microservices (Spring Boot), API design, and cloud-native architectures</strong> across Azure and GCP environments.</p><p>This role requires deep technical proficiency in integration patterns, API lifecycle management, and modern cloud-native development practices.</p><strong>Key Responsibilities:</strong><strong>Integration Architecture & Engineering</strong><ul><li>Design and implement enterprise integration solutions using:</li><li><strong>IBM IIB / App Connect Enterprise (ACE)</strong></li><li><strong>IBM MQ</strong></li><li>Develop and maintain:</li><li>Message flows</li><li>ESQL logic</li><li>Java Compute nodes</li><li>Perform error handling, performance tuning, and troubleshooting.</li></ul><strong>API Design & Development</strong><ul><li>Design and implement APIs using:</li><li><strong>REST / JSON</strong></li><li>OpenAPI / Swagger specifications</li><li>Manage API lifecycle, including versioning and backward compatibility.</li><li>Ensure secure and scalable API implementations.</li></ul><strong>Microservices Development</strong><ul><li>Build and deploy <strong>Java microservices using Spring Boot</strong>.</li><li>Design resilient services aligned with modern architecture patterns.</li><li>Integrate with databases and external systems.</li></ul><strong>Cloud & DevOps</strong><ul><li>Design and deploy cloud-native solutions on:</li><li><strong>Azure</strong></li><li><strong>GCP</strong></li><li>Work with:</li><li>PaaS services</li><li>Containers</li><li><strong>AKS / GKE</strong></li><li>Support CI/CD pipelines for automated deployments.</li></ul><strong>Database & Data Management</strong><ul><li>Work with:</li><li><strong>MongoDB</strong> (schema design, indexing, sharding basics)</li><li>RDBMS fundamentals</li><li>Ensure optimal performance and scalability of data solutions.</li></ul><strong>Security & Protocols</strong><ul><li>Implement secure integrations using:</li><li>HTTPS / TLS</li><li>JWT / JWKS</li><li>Handle multiple data formats:</li><li>JSON</li><li>XML</li><li>SOAP</li></ul><strong>Integration Patterns</strong><ul><li>Apply best practices for:</li><li>Synchronous & asynchronous communication</li><li>Publish–subscribe models</li><li>Saga and compensation patterns</li></ul><strong>Required Skills & Qualifications:</strong><ul><li><strong>10+ years</strong> of overall IT experience.</li><li><strong>5+ years</strong> in integration architecture and engineering.</li><li>Strong hands-on expertise in:</li><li><strong>IBM IIB / ACE</strong></li><li><strong>IBM MQ</strong></li><li>ESQL & Java Compute</li><li>API design & lifecycle management</li><li>Strong experience with <strong>Spring Boot microservices</strong>.</li><li>Knowledge of <strong>MongoDB and RDBMS concepts</strong>.</li><li>Cloud-native architecture experience in <strong>Azure and GCP</strong>.</li><li>Strong understanding of integration protocols and security standards.</li><li>Excellent analytical, troubleshooting, and communication skills.</li></ul><strong>Desirable Skills:</strong><ul><li>Java REST Web Services</li><li>Microservices Architecture</li><li>Spring Boot</li><li>RDBMS Concepts</li></ul>