We are looking for a hands-on Finance Controller with a strong control & business mindset, responsible for financial performance tracking, accounting supervision, treasury, payments and risk control.This role is designed for someone who controls the business through data, with Excel as a core working tool, besides other data tools.Key responsibilities- Financial controlling and business performance tracking- Supervision of accounting delivered by external advisors- Review of monthly closings and financial consistency- Cash-flow control and treasury forecasting- Invoicing, reconciliations and revenue control- Payments, payouts and suppliers supervision- Payments flows analysis and anomaly/fraud detection- Financial and business reporting to management- Improvement of internal control processesRequired profile- 3–5 years of relevant experience in financial controlling, finance operations or business finance.- Strong ability to supervise accounting, without performing daily bookings- Background in startup, fintech, e-commerce, SaaS or payment environments- Very strong Excel skills (advanced formulas, pivot tables, data analysis)- Analytical, autonomous and problem-solver mindset- Comfortable working with external accounting firms- English – Professional working proficiency (mandatory).Excel proficiency is mandatory. This role is Excel-driven.Nice to have- Experience with payment service providers (PSP)- Exposure to fraud prevention or transaction control- Experience building dashboards or financial models in ExcelWhat we offer- Permanent contract- High ownership and visibility- Fast-growing and dynamic environment, high performance culture, your, ambitious, and driven environment.Location: Modern, well-connected offices located in the Chamberí district.Food & Perks: Free daily lunch, snacks, fruit, and drinks always available.Why join us- You will control the financial reality of the business- You will work close to decision-making- You will have real impact from day one