OneStream Technology Lead/Developer

OneStream Technology Lead / Developer

London – 2-3 days a week – Rate Negotiable

Contract – Initially 6 months with a strong chance of extension

We are seeking an experienced OneStream Technology Lead / Developer to take ownership of the design, development, and ongoing support of OneStream solutions across planning, consolidation, reporting, and analytics. This is a hands‑on technical leadership role, working closely with Finance and IT to deliver scalable, well‑governed financial solutions.

What you’ll do

• Lead the design, build, and support of OneStream applications across budgeting, forecasting, consolidation, and reporting
• Translate business requirements into robust technical designs and solution architecture
• Develop business rules, XF scripts, and complex custom calculations
• Design and optimize OneStream cubes, dimensions, workflows, and security models
• Build and enhance reports, dashboards, and analytic views
• Support and maintain data integrations, APIs, and connectors
• Ensure data integrity, performance optimisation, and adherence to best-practice governance
• Act as a technical lead, providing code reviews, documentation, and mentoring to other developers
• Support production environments, month‑end cycles, and ad‑hoc analysis

What you’ll bring

• Strong hands‑on experience developing in OneStream XF
• Proven expertise in business rules, scripting, cube configuration, and reporting
• Solid SQL skills and experience working with financial data models
• Experience supporting data integrations and ETL processes
• Background acting as a technical lead or senior OneStream developer
• Strong communication skills with the ability to bridge finance and technology teams

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