Senior Finance Business Partner

Overview

In this Finance Business Partner role, you will own the COGS P&L and unit economics, partnering with Banking, Infrastructure and Engineering to optimise margins. You’ll lead monthly performance commentary and the annual cost base planning, aligning with Accounting and the wider business. You’ll influence banking partnerships, cloud economics, and capital allocation to support scalable, sustainable growth. This position sits in Trustly’s Commercial Finance team in London, offering a meaningful impact on pricing, efficiency and strategic investments. You will work across cross‑functional partners to shape the cost base for a high‑growth fintech leader.

Pay / Benefits

• 25 days holiday
• Monthly team outings
• Parental leave top up
• Daily breakfast and on‑site perks
• Health and wellbeing allowance
• Additional benefits

Responsibilities

• Own COGS P&L end to end (bank fees and hosting costs) and unit economics across the cost base, informing merchant pricing models and investment cases
• Partner with Banking Relationships to reduce costs and identify routing efficiencies, including breakeven analysis for aggregator vs direct integration
• Collaborate on cloud cost analysis with the VP Infrastructure to ensure spending scales with usage
• Support capacity planning and capitalisation decisions with the VP Engineering in day‑to‑day fashion
• Deliver monthly performance commentary on COGS and liaise with Accounting and business teams to understand trajectory
• Lead the annual planning for the cost base, including banking negotiations, routing efficiencies and hosting optimisation, with ongoing performance tracking
• Develop business cases for high‑impact initiatives (new products, regulatory changes in Europe) and support product development with ad hoc financial analysis

Key requirements

• 5+ years of FP&A, commercial finance, or finance business partnering experience
• Strong stakeholder management, comfortable with finance and non‑finance collaboration (engineering, banking, infrastructure)
• Strong analytical capability with financial modelling and business case experience
• Proficiency in Excel or Google Sheets for modelling and analysis
• Experience driving process improvements and automation in finance reporting or planning is a plus

• Stakeholder management
• Cross‑functional collaboration
• Analytical and results‑driven mindset
• Financial modelling
• Business case development
• Excel/Google Sheets modelling

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