The Senior Accountant International (Fixed Term) at Magnite in London will be responsible for supporting accounting and finance functions for the EMEA teams, managing statutory accounts, assisting with audits and filings, and maintaining financial statements. Key responsibilities include VAT filings, liaising with external firms, preparing journal entries, and developing reporting packages. The ideal candidate should have at least 5 years of GL accounting experience and be ACA, ACCA, or CIMA qualified, detail-oriented, deadline-driven, and proficient in Excel and Oracle Financials.