OneStream Developer/Technical Lead

OneStream Technology Lead / Developer London - 1-3 days a week - Inside IR35 - 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...