RPG Developer (Freelance) – SaaS ERP Platform
Our customer, a growing SaaS provider based in Limburg, we are looking for a Senior RPG Developer to join on a long term, freelance basis.
The organization develops and maintains a customer ERP tooling tailored to their clients industry, with a strong focus on stability, scalability, and continuous functional expansion.
To support this roadmap, they are looking for an experienced RPG Developer to join the team on a long-term freelance basis, working in a mixed RPG / Java technology stack.
Responsibilities
Design, develop, and maintain ERP functionalities using RPG (IBM i / AS400)
Contribute to the modernization and extension of existing ERP modules
Collaborate with Java developers on integrations and hybrid solutions
Analyze functional requirements and translate them into robust technical solutions
Participate in bug fixing, performance optimization, and technical refactoring
Work closely with functional analysts, product owners, and support teams
Ensure code quality, maintainability, and documentation standards
Profile
Strong professional experience as an RPG Developer (RPG III / IV / ILE)
Hands-on experience with IBM i / AS400 environments
Experience in ERP systems or complex business applications
Familiar with SaaS environments and multi-tenant platforms
Additional Details
Contract type: Freelance
Location: Limburg (hybrid)
Sector: SaaS / ERP software
Technology stack: RPG (IBM i / AS400), Java
Start date: Flexible