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