Senior IBM App Connect Developer Middleware📣 Job Ad

About CodeNinja Inc.

CodeNinja Inc. is a full-stack AI and engineering delivery firm that assists Saudi enterprises and government entities in modernizing systems and operationalizing intelligence across mission-critical workflows. Through embedded engineering teams, AI labs, and global capability centers, CodeNinja builds sovereign AI systems and application infrastructure aligned with Vision 2030. The company operates across Saudi Arabia's priority sectors, including government digitization, energy, financial services, logistics, and healthcare.

The Opportunity: Senior IBM App Connect Developer

We are seeking a Senior IBM App Connect Developer Middleware to design, build, and support enterprise integration solutions. This role involves connecting a leading Saudi bank's core and peripheral systems and is a hands-on middleware position requiring deep IBM ACE/IIB expertise. This is a contract engagement for 6 months, with potential for extension, based onsite in Riyadh, Saudi Arabia.

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.

Required Qualifications and Experience

• 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.

Preferred Skills

• Experience with Apache Kafka or other event-streaming platforms.
• Exposure to API Gateway/API Connect solutions.

Work Location and Engagement Details

This position is an onsite contract role located in Riyadh, Saudi Arabia. The initial engagement is for 6 months and is extendable based on project requirements. We invite qualified candidates to apply.