Oyster is building a distributed finance function and seeks a hands-on Senior Accountant to own day-to-day accounting, monthly reporting, and ERP activities for Oyster entities around the world, with a focus on EMEA. You will lead close, resolve discrepancies, and drive improvements. You will collaborate across Finance, Payroll, Tax, Legal, and external partners, ensure accurate statutory filings, audits, and multi-entity intercompany processes while upholding rigorous controls.