We are seeking a skilled IBM Integration Bus (IIB) / WebSphere Message Broker (WMB) / App Connect Enterprise (ACE) Developer to design, build, deploy, and maintain enterprise middleware solutions. In this role, you will be responsible for developing high-throughput integration message flows, transforming complex data formats, and connecting enterprise backend systems with contemporary RESTful APIs and distributed services.

Key Responsibilities

Message Flow Development: Design and implement robust integration message flows using IBM ACE v11/v12, IIB (v9/v10), and WMB (v7/v8).

Data Transformation & Logic: Develop custom transformation logic utilizing ESQL, Java, Mapping nodes, and XSLT across various formats (JSON, XML/XSD, DFDL, MRM, Flat Files, CSV, and Copybooks).

Enterprise Messaging & APIs:



Build and configure synchronous and asynchronous integration patterns utilizing IBM MQ (WebSphere MQ), REST APIs (Swagger/OpenAPI), and SOAP web services.

Database & Adapter Integrations: Configure database connectors and enterprise adapters (Database Nodes, JDBC/ODBC, File Nodes, SAP/CICS adapters) to interface with legacy and cloud databases.

Modernization & Migration: Assist in upgrading legacy WMB/IIB message flows to IBM App Connect Enterprise (ACE) and containerized environments (Docker/Kubernetes/OpenShift).

Troubleshooting & Optimization: Monitor message flows, perform root-cause analysis on production failures, optimize throughput, and manage error-handling/dead-letter queues (DLQ).

📌 Middleware Engineer (Toronto)
🏢 Shatan Technologies
📍 Toronto