Job DescriptionSenior IBM i (AS400/iSeries) Developer – Telecom Billing Systems
Experience Required: 6–8 Years
Location: Brampton, ON – Hybrid (2–3 Days WFO)
Duration: 6–12+ Months
Role Description
Must be eligible for Government of Canada Security Clearance
Hands-on IBM i (iSeries/AS400) technical expertise across:
• RPG
• RPGLE (Free Format)
• CL/CLLE
• COBOL
• SQL/Embedded SQL
• DDM
• Display/Subfiles
• DB2 for i
• ILE Architecture
• Batch Jobs
• Scheduled Processes
Experience in development, production support, troubleshooting, and technical leadership
Experience working with telecommunications enterprise billing systems, including:
• Billing
• Rating
• Message Processing
• Accounts Receivable
• Ordering
• System Integrations using Web Services and MQ
Proficiency with IBM i development and support tools, including:
• VS Code
• GitHub Copilot
• RDi
• Implementer (MKS)
• Hawkeye
• PKENCRYPT / PKZIP
Experience with:
• Development
• Code promotion
• Impact analysis
• Troubleshooting
• Environment management
Strong documentation, impact analysis, and solution design capability, including:
• Technical specifications
• Process flows
• Data mappings
• Operational procedures
Strong communication and stakeholder management skills, with ability to:
• Lead junior developers
• Manage priorities
• Follow development standards
• Perform peer reviews
• Maintain delivery discipline
• Ensure knowledge transfer and operational readiness across Business, QA, Operations, and other teams
Essential Skills
8+ years of IBM i / AS400 experience, including recent hands-on Senior Developer responsibilities
Strong capability in:
• RPG/RPGLE
• CL/CLLE
• SQL
• DB2 for i
• Batch Processing
• Legacy Application Support
Experience in telecommunications billing environments preferred
Strong estimation, planning, and technical delivery management capability
Ability to:
• Ramp up independently
• Work with limited transition support
• Collaborate with Business, QA, Operations, and cross-functional teams
Additional Requirement
Must be eligible to apply for Government of Canada Security Clearance
RequirementsSailpoint