Rossum is seeking a seasoned Finance Executive to lead our financial operations for a six-month interim period during parental leave. The primary objective of this role is to ensure stability, maintain high-integrity reporting and performance discipline, and provide strategic financial oversight during a period of scaling. This is an operational leadership role requiring a high degree of technical competence in B2B SaaS metrics and financial stewardship.
Core ResponsibilitiesFinancial Strategy & Advisory: Serve as the primary financial advisor to the CEO and COO. Provide data-driven insights to support strategic planning and resource allocation.
Financial Operations: Direct oversight of all finance functions, including AP/AR, payroll, and tax. Ensure regulatory compliance and proper governance of financial processes. Identify and mitigate material financial or internal control risks.
FP&A & Budgetary Control: Lead the forecasting process, monitor departmental spend against forecasts and proactively identify performance risks or trends.
Executive Reporting: Deliver timely and accurate financial analyses and management reporting . Prepare board-ready summaries and reports on operating performance and growth-related data.
Stakeholder Management: Manage relationships with financial institutions and government agencies in relation to funding initiatives and manage reporting and compliance requirements towards lenders and investors.
Executive Experience: Proven track record at the VP of Finance or (Senior) Finance Director level within a high-growth B2B SaaS organization. Experience managing finance teams
Technical Proficiency: Deep understanding of SaaS-specific financial modeling, KPIs, recurring revenue accounting, and GAAP/IFRS standards.
Hands-on Experience: Comfortable balancing strategic oversight and day-to-day operational responsibilities. Experience with ERP/finance systems such as NetSuite and Salesforce is a plus.
Communication: Ability to clearly communicate complex financial data to non-financial stakeholders. We value the "Scientific Method" approach: objective, fact-based, and transparent.
Logistics: Available for a full-time interim commitment (4-5 days/week) and based in an EMEA-aligned time zone.
Professional Autonomy: High-trust environment with the authority to manage the finance function independently.
Flexibility: A remote-first B2B engagement that respects professional boundaries and fractional structures.
Tools: Provision of high-specification hardware to support efficient execution.
Culture: Direct access to founders and inclusion in leadership offsites and strategic meetups.
For more context on our organizational values and "Scientific Method" culture, please visit:https://www.cocuma.co/company/rossum/
Rossum London, England Office
71-75 Shelton Street, Covent Garden, London, United Kingdom

