Senior AR Operations Specialist

Title: Senior AR Operations Specialist Location: Remote Contract: Fulltime About Monday Merch Monday Merch is a fast-growing, international full-service merch partner. We help companies worldwide manage everything from product selection and design to production, warehousing, shipping, and online merch stores. Our clients include HR teams, marketing professionals, event organizers, and operational managers, and we make merch effortless for them. Intermediate level · Long-term contract · Finance & Accounting About the role We are looking for a dependable Senior AR Operations Specialist to take ownership of our receivables cycle. This is not a data-entry role — we need someone who can reconcile Exact Online and Odoo independently, resolve payment matching issues, review VAT coding, and serve as the senior escalation point for dunning and collections. You will work closely with our Finance Manager and AR team, with a good degree of day-to-day autonomy. As we continue to develop our AR processes, you will also play a hands-on role in testing and validating new automations before they go live. This is an ongoing engagement. We expect a consistent weekly commitment and active involvement around month-end close. Reliability and proactive communication are as important as technical skill. Availability We offer scheduling flexibility, but availability during core Netherlands business hours (CET/CEST, roughly 9:00–17:00) is expected for timely collaboration with our Finance and cross-function team. What you will do - Reconcile AR between Exact Online and Odoo weekly and at month-end — invoices, credit notes, adjustments - Match customer payments across Mollie, PayPal, Amex, Rabobank and manual channels; resolve unmatched receipts and balance differences - Review VAT recalculation invoices and ICP sales reporting inputs before Finance Manager sign-off - Receive and resolve booking exceptions flagged by the AR Processing Specialist (VAT/GL coding issues, incomplete documentation) - Post credit notes accurately in line with VAT codes, GL accounts, and standard business rules - Act as escalation point for unresponsive customers — review collections history and approve or hold collection endorsement in Odoo - Serve as the primary AR contact for internal teams — fielding and resolving AR-related queries from other departments - Own the weekly AR ageing report and KPI monitoring (DSO, overdue balance, unmatched receipts, sync errors) - Assist in testing and validating new AR automations before go-live, flagging issues and confirming expected outcomes Requirements - 3+ years in accounts receivable or finance operations - Working knowledge of Dutch & EU VAT, ICP declarations, and GL account logic - Independent judgement on escalations, dunning holds, and booking rule decisions - Analytical, detail-oriented, and accurate under month-end pressure - Clear communicator; handles cross-team AR queries and is responsive during NL business hours Nice to have - Background in e-commerce - Odoo and Exact Online experience - Experience in system or process testing — UAT, automation validation, or similar - Experience coordinating with junior AR staff How to apply Please include in your proposal: 1. Give an example of an AR task where simply following the instruction as given would have been the wrong thing to do. How did you identify the issue, what did you do instead, and when would you escalate rather than decide on your own? 2. One example of a complex AR or payment matching issue you resolved independently What We Offer - Flexible, remote-friendly work - International, collaborative environment - Long-term engagement with career growth potential - Exposure to multiple divisions and strategic projects Applications outside Upwork will not be considered.