Senior IBM App Connect Developer - Middleware

CodeNinja is a full-stack AI and engineering delivery firm helping Saudi enterprises and government entities modernize systems and operationalize intelligence across mission-critical workflows. Through embedded engineering teams, AI labs, and global capability centers, CodeNinja builds sovereign AI systems and application infrastructure that clients own permanently — aligned with Vision 2030. CodeNinja operates across Saudi Arabia's priority sectors, including government digitization, energy, financial services, logistics, and healthcare, and is trusted by 240+ organizations across 15+ industries region-wide.

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.

• 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