Senior IBM App Connect Developer

About the Role
We're hiring a Senior IBM App Connect Developer to design, build, and support enterprise integration solutions connecting a leading Saudi bank's core and peripheral systems. This is a hands-on middleware role requiring deep IBM ACE/IIB expertise and prior banking-sector delivery experience, working onsite in Saudi Arabia on a 6-month (extendable) engagement.

Key Responsibilities

• Design, develop, and deploy integration flows using IBM App Connect Enterprise (ACE) / IBM Integration Bus (IIB)
• Build message flows and ESQL/Java transformations to integrate core banking and peripheral applications
• Implement integrations over MQ, REST, SOAP, JMS, and file-based protocols
• Configure and maintain IBM MQ queues, channels, and messaging infrastructure supporting integration flows
• Ensure integration security, message reliability, and transactional integrity across interfaces
• Perform capacity planning, performance tuning, and monitoring of middleware components
• Diagnose and resolve production integration incidents with timely root-cause analysis
• Document integration designs, interface specifications, and deployment procedures

Requirements
Must-Have Requirements

• 7+ years of hands-on experience with IBM App Connect Enterprise (ACE) or IBM Integration Bus (IIB)
• Strong knowledge of ESQL, message flow design, and IBM MQ
• Proficiency in Java, XML/XSD, REST, and SOAP web services
• Mandatory prior experience delivering middleware/integration solutions within a bank or financial institution
• Experience with WebSphere and Linux/Unix environments
• Strong troubleshooting skills for production integration issues

Nice to Have

• Experience with Apache Kafka or other event-streaming platforms
• Exposure to API Gateway/API Connect solutions
• IBM App Connect / Integration Bus certification

Location
Riyadh, Saudi Arabia