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RPG Developer (Freelance) – SaaS ERP Platform

RPG Developer (Freelance) – SaaS ERP Platform

Hybrid

Limburg, Belgium

Freelance

04-02-2026

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Skills

Java Organization ERP Systems

Job Specifications

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

About the Company

Vivid Resourcing, een toonaangevende internationale partner voor talentoplossingen, brengt u in contact met veelgevraagde technische professionals die u nodig hebt om te floreren in de sectoren Tech, Engineering, Life Sciences en Overheid. Ons wereldwijde bereik is groot, met meer dan 250 specialisten verspreid over 12 Britse, Europese en Amerikaanse kantoren. Al meer dan tien jaar verfijnen we onze unieke aanpak binnen kritieke sectoren. Onze focus op kernsectoren heeft geleid tot een diepgaande kennis en een robuust netwer... Know more