OneStream Senior Architect & Developer (Finance Platform)

SystemsAccountants

Greater London

On-site

GBP 90,000 - 120,000

Full time

7 days ago

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Job summary

SystemsAccountants is assisting a large international organisation in London to hire a OneStream Senior Developer/Architect. The role offers ownership of the finance system and end-to-end evolution of the platform, with 4 days in the office.

You will lead architecture, deliver rules, workflows, dashboards, and integrations, while mentoring the team and aligning with senior stakeholders. You will work across technical and functional domains, focusing on consolidation, planning and reporting, and

Qualifications

Hands-on OneStream experience with solid EPM architecture knowledge.
Understanding of consolidation, planning and reporting processes.
Proven delivery of rules, workflows and integrations in finance transformations.
Comfort working across technical and functional topics; scalable solutions.
Strong problem-solving, ownership mindset and mentoring ability.
Consulting background is a plus.

Responsibilities

Lead the architecture and development of the OneStream platform.
Design and deliver rules, workflows, dashboards, and integrations.
Own solutions from design through delivery and continuous improvement.
Collaborate with finance and technical stakeholders to translate requirements into scalable solutions.
Drive best practices and continuous improvement across the platform.
Mentor and support team members, contributing to growth and knowledge sharing.
Work closely with internal stakeholders and external experts.