Senior Accounts Officer - Accounts Receivable & Accounts Payable

Location: South Africa, remote Employment type: Permanent, full-time Working hours: Monday to Friday, UK hours preferred. South African hours may be considered, provided reliable coverage of the accounts inbox is maintained. Preferred start date: 1 December 2026, or no later than 1 January 2027 Reports to: Co-founder and Director About the Business A London-based digital media and advertising sales business is seeking an experienced Senior Accounts Officer to take ownership of its day-to-day accounts function. The business represents premium publishers and works with advertisers and agencies across international markets. This is an opportunity to become the first member of a growing South African finance team, with the potential to supervise a junior accounts colleague as the function develops. About the Role You will manage the accounts inbox and the full accounts receivable and accounts payable cycle, ensuring accurate invoicing, timely collections, supplier payments and clean ledgers. The position requires a technically strong, organised finance professional who can work independently and communicate confidently with international clients, agencies, publishers and suppliers. Requirements Key Responsibilities Take ownership of the accounts inbox and respond promptly and professionally to finance queries. Raise and issue invoices to international clients accurately and on time. Manage accounts receivable, monitor outstanding balances and follow up on overdue payments. Proces