Interim Head of Finance | Rapid Growth FinTech Scale-Up

Interim Head of Finance | Rapid Growth FinTech Scale-Up | London The Client Harmonic is delighted to be partnering with a high-growth, well-backed FinTech at an exciting stage of its journey. Having built real scale and a strong position in its market, the business is entering a pivotal new chapter, and finance has a central role to play in setting it up for the next phase of growth. It is a genuinely exciting time to join. The Role Reporting into the CFO, the Interim Head of Finance will take ownership of the day-to-day finance function through a busy period of growth and change. This is a hands-on leadership role first and foremost: the priority is to steady and lead the team, keep month-end, statutory and technical accounting running cleanly, and get up to speed quickly with a complex, industry-specific P&L. Alongside the operational core, you will assess and strengthen the team structure, drive process improvement across the function, and help the business get more out of its finance systems. Part of the brief is to free the CFO from the day-to-day so they can focus on the strategic agenda. This is an initial three-month interim with the potential to extend. Key Responsibilities Lead, stabilise and strengthen the finance team through a period of growth and change, assessing structure and shaping the right team for the future. Own the month-end close, statutory accounting and technical accounting, keeping the function accurate and audit-ready. Drive process improvement, reducing manual processes and reliance on spreadsheets across the function. Get more out of the finance systems, building out workflows and moving the team beyond the basics. Manage a distributed team across multiple locations, keeping people aligned and supported remotely. Partner with the CFO and wider leadership through a period of transformation. Essential Experience Qualified accountant (ACA / ACCA / CIMA), with a strong technical accounting foundation gained in audit. FinTech experience, ideally within payments or consumer FinTech Startup or scale-up background, comfortable operating in a fast-moving, changing environment. Genuine transformation or change experience; someone who can assess a team, make hard calls and rebuild. Hands-on operator who will get involved in the detail as well as lead, and who is comfortable managing remotely. Desirable Experience Exposure to regulated financial services environments. Experience improving or integrating finance systems in a scaling business. Track record of improving finance processes and driving automation. Package Day Rate: £500-£650 per day Location: London, hybrid (3 days in office, Monday, Tuesday, Thursday) Duration: Three-month interim, scope to extend Start Date: ASAP Please feel free to get in touch with Ewan Fenley for more information () Please feel free to share this with any friends or colleagues that may be interested. At Harmonic, we are dedicated to fostering an inclusive and equitable workplace. We actively welcome applications from individuals of all backgrounds and assure you that every candidate will be thoughtfully considered for the roles we represent, without regard to race, religion, gender expression, disability, or sexual orientation.