Position Name – Sr. Developer – IBM i / AS400 Type of hiring – Subcon Location – Brampton, ON (Onsite)

Position Name – Sr. Developer – IBM i / AS400 Customer – Rogers (Don’t post or disclose anywhere) Type of hiring – Subcon Location – Brampton, ON (Onsite) Rates – CAD $55/hr + HST

Job Description:

We are seeking a Senior IBM i / AS400 Developer to support and enhance applications within a telecommunications billing environment. The role requires strong technical expertise, hands-on development experience, and the ability to independently manage estimation, design, development, production support, and delivery across legacy systems.

Key Responsibilities Own IBM i applications across development, maintenance, and production support. Analyze requirements, perform impact assessments, and deliver technical designs aligned with SDLC standards. Provide effort estimation, delivery planning, code reviews, and enforce coding and documentation standards. Support testing, deployments, and production issue resolution, including root cause analysis and post-release support. Work independently on small to medium initiatives with minimal transition support. Ensure knowledge transfer and operational readiness across QA, Operations, and business teams. Identify transition risks and improve documentation for sustainable support.

Must-Have Requirements / Skills & Experience 8+ Years of IBM i / AS400 experience with strong hands-on development expertise. Proficiency in RPG, RPGLE (free format), CL/CLLE, COBOL, SQL, Embedded SQL, DB2 for i, and ILE architecture. Experience with batch jobs, scheduled processes, display files, subfiles, and legacy application support. Strong experience in telecommunications billing environments, including Billing, Rating, Accounts Receivable, Order Management, and system integrations (web services, MQ). Experience with IBM i development and support tools such as RDi, VS Code, GitHub Copilot, Implementer (MKS), Hawkeye, PKZIP/PKENCRYPT. Strong capability in impact analysis, technical documentation, solution design, estimation, and delivery planning. Excellent communication and stakeholder management skills, with ability to work across business, QA, and Operations teams. Ability to ramp up quickly, work independently, and manage delivery with limited transition support. Candidate must be eligible to apply for Government of Canada (GoC) Security Clearance.