OneStream Tech Lead & Developer - London (Onsite 2-3 days)

TRIA; Greater London; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

TRIA is seeking an experienced OneStream Technology Lead / Developer to lead the design and support of OneStream solutions in London. This hands-on role requires expertise in OneStream XF development, with responsibilities including designing applications, developing custom calculations, and ensuring data integrity. The ideal candidate will have strong SQL skills and experience in financial data models, acting as a technical lead to bridge finance and IT teams. The role requires onsite commitment for 2-3 days a week.

Qualifications

• 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.

Responsibilities

• Lead the design, build, and support of OneStream applications.
• Translate business requirements into robust technical designs.
• Develop business rules, XF scripts, and complex custom calculations.
• Design and optimise 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 governance.
• Provide code reviews, documentation, and mentoring.
• Support production environments and month-end cycles.

Skills

OneStream XF development

SQL skills

Technical leadership

Business analysis

Data integration

Job description

TRIA is seeking an experienced OneStream Technology Lead / Developer to lead the design and support of OneStream solutions in London. This hands-on role requires expertise in OneStream XF development, with responsibilities including designing applications, developing custom calculations, and ensuring data integrity. The ideal candidate will have strong SQL skills and experience in financial data models, acting as a technical lead to bridge finance and IT teams. The role requires onsite commitment for 2-3 days a week.