- Manage, prepare, update, and forecast Financial Statements, including Balance Sheet-Breakdown Account, Profit & Loss, and Cash Flow on a monthly, quarterly, and yearly basis.- Monitor and control Project and Operational Budgets, ensuring expenditures remain within approved limits.- Supervise and coordinate with Accounting Outsourcing firms to ensure timely and accurate delivery of all finance and accounting reports, including:- Monthly Financial Statements- Tax declarations and payments in compliance with Vietnamese tax regulations (VAT, PIT, CIT, FCT, etc.)- Tax finalization and related submissions- Manage daily payments, expenses, revenues, and accounts receivable from clients.- Prepare, update, and forecast Cash Flow to ensure smooth and continuous business operations.- Actively work with and communicate with internal stakeholders (Departments, Japan Head Office) and external parties (Accounting Outsource, Tax Authorities, Banks, Clients, and other relevant authorities).- Coordinate with internal parties to plan Budget and P&L for the annual Business Plan.- Proactively highlight critical financial issues to Management that may impact Budget control and annual P&L targets.- Maintain strict confidentiality regarding all financial and corporate data- Perform other tasks as assigned by Management.