The Senior Accountant International (Fixed Term) at Magnite in London will support accounting and finance functions for EMEA teams, manage statutory accounts, assist with filings and audits, prepare financial statements, and collaborate with global finance teams. Key responsibilities include VAT and GST filings, managing statutory accounts for up to 10 entities, assisting with audits, corporate income tax filings, month-end closing activities, and developing reporting packages. The role requires a minimum of 5 years of GL accounting experience, ACA, ACCA, or CIMA qualification, strong Excel skills, and experience with Oracle Financials.