• Independently manage end-to-end billing and accounts receivable (AR) processes for Polish and international clients, including issuing, verifying, and sending invoices (Polish and international). • Actively support company cash flow through receivables monitoring and collections activities, including payment reminders and repayment arrangements. • Manage billing settings and support settlements for custom and non-standard contracts, resolving issues related to VAT, currencies, invoice templates, and subscription settings. • Participate in month-end closing by preparing required documentation, reconciliations, and AR reports. • Prepare and analyze receivables reports and customer statements, monitoring payment statuses and identifying risks. • Handle payment operations such as payment links, Direct Debit activation, manual charges, and updating customer data. • Maintain a high standard of customer communication in financial matters and cooperate closely with internal teams to resolve billing- and payment-related issues.

• Own Global Accounts Receivable Operations: Take full accountability for the customer billing lifecycle from integrating invoices from Salesforce to NetSuite, invoice generation, through the cash collection process. • Drive Operational Excellence: Refining processes and SLAs across the accounts receivable cycle while reducing manual interventions through systematic process improvements and automation. • Optimize Dunning Process: Optimize and automate the dunning process to drive down DSO and reduce the cost associated with external collection efforts. • Build Systems & Automation: Partner with Business Systems team to lead billing system configurations, automate workflows, and integrate billing systems with a goal of being able to generate and send out all invoices on Day 1 of the close process. • Partner with Deal Desk and GTM Teams: Provide strategic consultation on billing capabilities and deal structuring to enable seamless contract-to-billing execution. • Ensure Customer Experience Excellence: Serve as an escalation point for billing inquiries and disputes, maintaining exceptional customer experience throughout the billing cycle. • Automate Preflight Billing Checks: Work with the Business Systems team to introduce system automation to the preflight billings checks to ensure the accuracy of customer invoices on Day 1. • Partner with Technical Accounting on Contract Review: Be aware of typical contract pitfalls and work closely with Technical Accounting and Revops in preventing contract terminology that creates revenue recognition issues. • Build Revenue Recognition Process in NetSuite: Utilize NetSuite ARM to build out automated revenue recognition processes including integrations with Salesforce for SSP calculations. • Establish Controls & Compliance: Implement compliance controls, segregation of duties (SOD), and audit-ready processes supporting enterprise-grade operations. • Deliver Analytics & Insights: Develop KPI dashboards and billing and collections metrics for data-driven decision-making. • Build and Lead Team: Establish, scale, and develop the global accounts receivable team; define OKRs, clarify priorities, drive results, and develop team members through mentorship and coaching.

• Supervise and support the Accounts Receivable team in daily operations, including billing, collections, and cash application. • Monitor AR aging reports and work with Collections Specialists to ensure prompt follow-up and resolution of past-due accounts. • Oversee customer invoicing processes to ensure accuracy and compliance with company policies. • Handle customer escalations professionally, partnering with internal teams to resolve payment or billing issues. • Perform and review complex account reconciliations and adjustments. • Assist in the development and implementation of AR documentation, policies, and procedures to enhance efficiency and accuracy. • Generate and analyze AR reports to provide insights on collection trends, DSO, and cash flow. • Support month-end and year-end closing processes, ensuring timely and accurate reporting. • Coach and mentor team members including but not limited to identifying areas for growth and training. • Collaborate with the AR Manager on process improvement initiatives and system enhancements.

• Manage the full invoicing cycle, ensuring timely and accurate generation of customer invoices and successful transmission to our customers. • Serve as a key liaison between Sales, Legal, and Engineering to ensure alignment on product strategy, technical requirements, and customer needs. • Oversee the daily work and performance of the assigned offshore teammates, ensuring adherence to company policies, service-level agreements (SLAs), and quality standards. • Monitor the customer aging report and invoicing systems (portals) on a regular basis, while proactively communicating account activity with customers and reducing DSO. • Perform complex AR reconciliations for customer accounts, investigating and resolving billing discrepancies, unapplied cash, and disputed amounts promptly. • Ensure completeness and accuracy of Customer Master Data, Invoices, and supporting documentation. • Complete and review Financial Due Diligence packages related to new invoicing requests as well as Change Orders for existing customers. • Support internal and external audit requests, providing documentation and supporting workpapers as needed. • Drive change by proactively identifying opportunities for process automation and continuous improvement across all AR functions to ensure scalability as the company grows. • Document business processes and accounting policies to maintain and strengthen internal controls.