Junior Accounts Receivable Billing Specialist

Manage accounts receivable billing for internal revenue by generating accurate invoices, reconciling customer accounts, and monitoring outstanding balances. Handle billing schedules and resolve billing disputes, including issuing invoices/credits and maintaining detailed financial records. Support project billing milestones through reconciliation, review delinquent accounts with leadership, and assist with credit-related documentation and write-offs when needed. Work within the Finance Operations Service Center in Kraków.