Senior OneStream Developer – Europe-based CPM

Refresco; Rotterdam; Hybrid; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Competitive pay with annual bonus

28 days holiday (FT)

OpenUp for you and your family

Rotterdam area office

Job summary

Refresco is seeking an OneStream Developer to design, implement, and maintain CPM/FP&A solutions within the OneStream platform. You will build custom rules, workflows, and dashboards while integrating with SAP and other finance systems.

Join a finance-IT collaboration focusing on automation, data integrity, and scalable reporting. The role supports flexible location across Europe near Refresco facilities, with strong emphasis on modern development practices and governance.

Qualifications

• Bachelor's or Master's degree in Computer Science / IT / SE / BIS or comparable discipline.
• 3+ years of software development experience.
• Experience with CPM, EPM, or Financial Systems implementations.
• Hands-on experience with OneStream development preferred.
• Experience supporting Finance applications in an enterprise environment.

Responsibilities

• Design, develop, and maintain custom OneStream solutions.
• Create and enhance Business Rules, Calculations, Workflows, Dashboards, and Data Management processes.
• Develop automation solutions to improve financial processes and reduce manual effort.
• Implement custom functionality using OneStream extensibility features.
• Support enhancements related to Consolidation, Planning, Budgeting, Forecasting, and Reporting.
• Develop custom Business Rules and application extensions using C# and VB.NET.
• Build, test, and deploy .NET-based solutions within OneStream.
• Design and maintain integrations between OneStream and SAP/ERP systems.

Skills

C#

VB.NET

SQL

Analytical thinking

Stakeholder management

CI/CD

Problem solving

Education

Bachelor's or Master's degree in Computer Science / Information Technology / Software Engineering / Business Information Systems

Tools

OneStream Studio

Visual Studio

Git

Azure DevOps

VS Code

Job description

Refresco is seeking an OneStream Developer to design, implement, and maintain CPM/FP&A solutions within the OneStream platform. You will build custom rules, workflows, and dashboards while integrating with SAP and other finance systems.

Join a finance-IT collaboration focusing on automation, data integrity, and scalable reporting. The role supports flexible location across Europe near Refresco facilities, with strong emphasis on modern development practices and governance.