Senior IBM App Connect Developer – Middleware

About the role

CodeNinja is seeking a Senior IBM App Connect Developer to design, build and support integration solutions for a leading Saudi bank. This hands‑on middleware position focuses on connecting core banking systems with peripheral applications using IBM ACE/IIB technologies.

Key responsibilities

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

Required profile

• 7+ years of hands‑on experience with IBM ACE or IBM Integration Bus.
• Strong background in ESQL, message‑flow design and IBM MQ.
• Prior experience delivering middleware or integration solutions within a bank or financial institution.
• Proficiency in Java, XML/XSD, REST and SOAP web services.
• Experience with WebSphere and Linux/Unix environments.
• Excellent troubleshooting skills for production integration issues.

Required skills

• IBM App Connect Enterprise (ACE)
• IBM Integration Bus (IIB)
• ESQL
• IBM MQ
• Java
• XML / XSD
• REST
• SOAP
• WebSphere
• Linux / Unix
• Apache Kafka (nice to have)
• API Gateway / API Connect (nice to have)

What we offer

• Opportunity to work on mission‑critical integration systems for a major Saudi banking client.
• Exposure to enterprise‑scale banking infrastructure aligned with Vision 2030.
• Competitive contract terms with the possibility of extension.