Job Description

Role : IBM Platform Engineer

Location: Watford, Uk

Type : 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 Responsibilities

Enterprise 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 & 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 Requirements

Legacy & Midrange Systems: Proficiency with IBM i (AS/400), RPG, CL, or COBOL.

Modern Scripting & Databases: Hands-on experience with languages like Python, JavaScript, C++, or Java.

Middleware & Integration: Familiarity with messaging queues (e.g., IBM MQ), API gateways, and event-driven architectures.Randstad Technologies is acting as an Employment Business in relation to this vacancy