Deividas Tumas
I am a finance professional and billing operations leader with experience in ERP implementations (Microsoft Dynamics 365, NetSuite), global project billing, and people management.
About
I am a finance professional and billing operations leader with experience in ERP implementations (Microsoft Dynamics 365, NetSuite), global project billing, and people management. I have led cross-border teams, supported multi-country ERP migrations, and built stable, automated billing processes across complex invoicing models.
I excel at onboarding teams, data migration, SIT/UAT/EUT testing, and delivering compliant, high-quality billing processes that scale across diverse organizations and geographies.
- 5 years' experience
- Joined January 2026
Skills· 1
Industry experience
- Financial Services
- Software & Internet
- Healthcare
- Professional Services
More experts in Vilnius, Lithuania
Work experience· 4 roles
Team Lead for D365 ERP billing operations across ~30 countries (EU, Asia, North America, Australia). Led and developed a team of 8 billing professionals. Supported country onboarding, data migration, SIT/UAT/EUT testing, and post go-live production. Managed complex invoicing models: customer project invoicing (time & materials, usage, subscriptions, milestones, expenses, items), intercompany and vendor invoices. Ensured compliance with regional tax and ISV requirements. Delivered stable, automated, and high-quality billing processes.
Led day-to-day billing operations and people management. Handled escalations, interviews, onboarding, and billing-related projects. Recognized for hands-on leadership, fast execution, and strong stakeholder communication.
Managed customer billing inquiries, payments (CC, ACH, GoCardless), and customer account maintenance. Generated consolidated invoices for enterprise clients. Worked closely with Sales, Operations, and Finance to resolve billing issues.
Education
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