Interim Turnaround CFO - B2B SaaS

Russam Gms; Remote; GBP 200,000 +; Full time

Job summary

A growing international payments software firm is seeking a hands-on Interim CFO to stabilize and elevate the finance function. This full-time role will last 6 to 9 months, with significant international travel expected. The ideal candidate will have previous experience as a CFO in PE- or VC-backed B2B SaaS and strong familiarity with software economics. Responsibilities include establishing financial control and creating credible cash runways. The position is likely outside IR35 and ideally starts before the end of January 2026.

Qualifications

• Prior experience as CFO / Interim CFO in PE- or VC‑backed B2B SaaS.
• Strong understanding of enterprise software economics.
• Demonstrated turnaround experience and international exposure.

Responsibilities

• Establish full financial control and forecasting confidence.
• Create a clear, trusted cash runway and scenario plan.
• Identifying and executing margin improvements.

Skills

Financial control

Cash runway planning

Investor-grade reporting

Margin improvement

Leadership

Job description

We are working with a growth, PE-backed international payments software SaaS (B2B) company serving enterprise clients. We seek a hands‑on Interim CFO to stabilise, professionalise, and elevate the finance function, with a clear focus on control, cash, credibility, and value creation.

The role is likely outside of IR35 and will involve significant international travel; and will last 6 to 9 months on a full‑time basis. Ideally starting before the end of January 2026.

Role & Responsibilities

• Establish full financial control and forecasting confidence
• Create a clear, trusted cash runway and scenario plan
• Bring investor‑grade reporting discipline and board cadence
• Identify and execute margin and efficiency improvements
• Provide calm, authoritative leadership to the finance team and executive peers

The Desired Candidate

• Prior experience as CFO / Interim CFO in PE- or VC‑backed B2B SaaS
• Strong understanding of enterprise software economics (ARR, NRR, CAC/LTV)
• Exposure to payments, fintech, or regulated‑adjacent environments desirable
• Demonstrated turnaround or “fix‑the‑basics fast” experience
• International experience
• Gravitas and a track record of creating order from ambiguity quickly

How to Apply

Please apply through the Russam website portal. The deadline is Friday 16 th January 2026.