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Senior Onestream Developer to support financial consolidation, planning, and reporting for a financial services client

Hospitality Full Benefits Career Growth
Company

S.i. Systems

Location

Toronto, Canada

Posted

March 12, 2026

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About This Opportunity

Our valued financial services client is seeking a Senior Onestream Developer to support financial consolidation, planning, and reporting for a financial services client

Initial 6mo contract in the national capital region (% remote). 8 hours per day, Monday to Friday.

As the successful candidate, you will lead the design, build, and optimization of OneStream solutions that support financial consolidation, planning, and reporting, working closely with Finance and IT to deliver scalable, reliable models the business can actually use.

Responsibilities:

  • Design, develop, and maintain OneStream applications across consolidation, budgeting, forecasting, and reporting
  • Build and optimize business rules, data management sequences, dashboards, and workflows
  • Partner closely with Finance (FP&A, Accounting, Controllership) to translate business requirements into technical solutions
  • Own integrations between OneStream and upstream/downstream s...