Senior OneStream Developer
On-siteWarsaw, Mazovia, Poland or Lisbon, Lisbon, Portugal
Job Summary
Design, develop, and maintain OneStream solutions including Business Rules, Finance Rules, Extender Rules, Dashboard XFBRs, Cube Views, Workflows, Data Management Sequences, and Integrations using OneStream, VB.NET, SQL, and OneStream APIs. Build, configure, and support metadata, dimensions, hierarchies, security, and application components while developing integrations between OneStream and ERP, HRIS, Data Warehouse, and other enterprise applications. Collaborate with Finance stakeholders to translate business requirements into scalable technical solutions, participating in solution design, testing, deployment, and ongoing support activities. Troubleshoot application issues, perform root cause analysis, optimize performance, and ensure data governance across global Finance transformation initiatives.
Required Qualifications
- 6+ years of experience developing and supporting Enterprise Performance Management (EPM) platforms
- 2+ years of hands-on OneStream development experience
- Strong experience developing OneStream Business Rules, Finance Rules, Extender Rules, Dashboard XFBRs, Cube Views, Workflows, Data Management Sequences, and Integration solutions
- Strong programming experience with VB.NET
- Advanced SQL development and database skills
- Experience developing and supporting integrations between OneStream and enterprise applications
- Experience working with OneStream metadata, dimensional modeling, security, and application administration concepts
- Solid understanding of financial close, consolidation, planning, forecasting, account reconciliations, and management reporting processes
- Experience troubleshooting, optimizing, and supporting enterprise financial applications
- Experience working within Software Development Lifecycle (SDLC) processes including testing, deployment, release management, and change management
- Strong analytical, troubleshooting, and problem-solving skills
- Excellent communication skills with the ability to collaborate effectively with Finance, Accounting, IT, and business stakeholders
- Ability to translate business requirements into scalable technical solutions
- Bachelor's degree in Computer Science, Information Systems, Finance, Accounting, or a related field (or equivalent practical experience)
Desired Qualifications
- Experience participating in one or more full-cycle OneStream implementations
- Experience supporting OneStream Cloud (SaaS) environments
- Experience with REST APIs, XML, JSON, PowerShell, or other integration technologies
- Experience with source control and release management practices
- Experience supporting global Finance transformation programs
- Experience working in large multinational organizations
- Knowledge of SAP, Oracle, Workday, or other enterprise ERP platforms
- Experience working within distributed global teams
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