Vector Resourcing
System21 Applications Developer
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Our client is looking for a senior System21 Applications Developer to take technical ownership of its core business applications as a long-serving senior team member retires.
You will split your time between production support and new RPG development, working across the applications team and wider business.
This role is focused on a structured handover, service continuity and practical system enhancements that improve business operations.
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- Complete a structured handover before the current senior developer leaves, documenting customisations, integrations, recurring issues and operational risks.
- Own complex application incidents across Infor System21 and its supporting IBM i environment.
- Design, develop, test and deploy RPG enhancements to existing business applications.
- Assess enhancement requests with business teams, explaining technical feasibility, constraints and available options.
- Prioritise and allocate support issues across two team members, retaining ownership of escalations and delivery quality.
- Mentor colleagues in System21 support, RPG development and problem diagnosis.
- Balance urgent production issues with planned development and improvement work.
- Diagnose recurring problems and implement changes that reduce support demand.
- Maintain technical documentation, support procedures and change records.
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