Job Title: Billing & Revenue Assurance Manager (Domestic & International) Location: Ahmedabad | Reporting To: CFO | Department: Finance & Revenue Operations Role Summary Own end-to-end billing, receivables, revenue assurance, compliance, and DSO improvement across product and service lines. Drive disciplined Order-to-Cash , ensure accurate invoicing, faster collections, and strong stakeholder alignment. Key Responsibilities Manage invoicing for products, milestones, T&M, and subscriptions (India & exports) Control unbilled/deferred revenue and prevent revenue leakage Maintain accurate AR ledger , ageing, and collection reports (weekly/monthly) Lead monthly reviews with Delivery, Sales, Finance & CFO on billing, collections, and DSO Ensure invoice acceptance via customer portals (SAP/Oracle/Ariba, etc.) Strengthen SOPs, audit trails, billing cut-offs, and dispute resolution Ensure GST, LUT, TDS compliance and Form 26AS reconciliation Drive DSO reduction and working capital improvement U...