RPG Developer – 11834CM

Company: Proactive.IT Appointments Limited
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11834CMMarket related

RPG Developer

Permanent | London | Hybrid (weekly)

Our client are seeking an experienced RPG Developer to join their growing team. You’ll beresponsible for designing, developing, testing, and maintaining business applications on the IBM i (AS/400) platform using RPG, CL, and related technologies. The role involves analysing user requirements, creating efficient and reliable programs, and ensuring smooth integration with other enterprise systems.

Experience required:

  • Maintain and enhance existing IBM i applications to meet changing business needs.
  • Analyse, design, code, test, and implement programs using RPG (RPG IV / ILE RPG / Free-Format RPG) on IBM i.
  • Develop and optimize CL programs, SQL queries, and data access routines.
  • Collaborate with systems analysts, business users, 3rd party vendors and other developers to gather and refine requirements.
  • Perform system analysis and debugging to resolve production issues and improve performance.
  • Develop and maintain technical documentation including program specifications and change logs.
  • Support integration between IBM i applications and other enterprise systems (e.g., ERP, CRM, web services).
  • Participate in system upgrades, migrations, and modernization projects.
  • Ensure compliance with security, data integrity, and change management policies.
  • Provide user support and training for IBM i–based applications.
  • Document Support Ticket resolutions in the IT centralised knowledge base repository

Technical Experience:

  • Strong programming skills inRPG IV, ILE RPG, Free-Format RPG, CL, and SQL.
  • Solid understanding ofIBM i operating system,DB2/400, andDDS-based files.
  • Experience withchange management tools
  • Familiarity withRDi (Rational Developer for i)or other modern development environments.
  • Knowledge ofAPIs, web services, or data exchange (JSON, XML)for integration.

Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered suitable for interview will be contacted.

Proactive Appointments Limited operates as an employment agency and employment business and is an equal opportunities organisation

We take our obligations to protect your personal data very seriously. Any information provided to us will be processed as detailed in our Privacy Notice, a copy of which can be found on our website http://proactive.it/privacy-notice/

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Posted: September 22nd, 2026