IBM Platform Engineer

Role : IBM Platform EngineerLocation: Watford, UkType : Contract (InsideIR 35) OR Permanent Mode : Hybrid Job Description : Costco utilizes the IBM i (AS/400) platform to run mission-critical enterprise systems. Developers working on these systems generally focus on backend enterprise operations, integrating legacy frameworks with modern cloud infrastructure, and supporting large-scale supply chain and inventory workloads. Core ResponsibilitiesEnterprise Integration: Designing and managing API gateways, event brokers, and middleware to bridge older IBM i technologies with distributed platforms and modern systems.Legacy Modernization: Upgrading and maintaining systems in IBM-derived environments, ensuring high availability and continuous operational continuity. Backend Development: Managing complex data infrastructures (often utilizing DB2, SQL, and related database tech).Compliance and Security: Adhering to strict enterprise compliance, including payment card industry (PCI) and data security (PII) standards across high-volume transaction environments. Collaboration: Working closely with enterprise architects and system engineers to execute major platform software upgrades. Typical Technical RequirementsLegacy and Midrange Systems: Proficiency with IBM i (AS/400), RPG, CL, or COBOL.Modern Scripting and Databases: Hands-on experience with languages like Python, JavaScript, C++, or Java.Middleware and Integration: Familiarity with messaging queues (e.g., IBM MQ), API gateways, ..... full job details .....