Senior Order to Cash Accountant

Senior Order to Cash Accountant — Finance, Sofia

📍 Sofia, Bulgaria | Full-time

See our Sofia office

Team description

The Order to Cash (O2C) team sits at the heart of SumUp's Finance function, managing the full revenue cycle — from invoice creation and payment collection through to period-end close, accounts receivable, and revenue recognition. As SumUp's Enterprise and Marketplace channels grow fast, the complexity of our billing operations is increasing, and this role is essential to keeping those processes accurate, compliant, and scalable. You'll take full ownership of some of our highest-impact billing workstreams, acting as the go-to expert for Enterprise partners and marketplace channels at a moment when getting this right really matters.

What you'll do

Own end-to-end billing and reconciliation for marketplace channels (Amazon, eBay, OnBay, TEMU), including settlement posting, AR/AP netting, and discrepancy resolution

Act as the single point of contact for Enterprise and Cooperation hardware billing, managing invoicing, payment follow-up, and revenue recognition across key partner accounts

Calculate and book price protection credits and contractual discounts, validating compliance with partner agreements and ensuring accurate margin reporting

Oversee the full RMA returns process for retailers, partners, and enterprise accounts, applying credit-memo logic and end-to-end control checks

Perform impairment calculations, ageing analysis, and bad debt allowance support, ensuring compliance with GAAP and internal controls

Mentor junior team members and proactively identify opportunities to improve processes as automation initiatives evolve

You'll be great for this role if you have…

Strong knowledge of GAAP, with hands-on experience applying it to complex accounting transactions including journal entries, reconciliations, and trend analysis

Experience managing high-volume accounts receivable processes, including billing, payment allocation, and resolut