Job details
Bangkok, Bangkok, Thailand
260000HJRole Purpose
Responsible for billing, invoicing, customer collection, AR reporting, and month-end AR closing support. Ensure billing documents, tax documents, customer records, collection follow-up, reconciliations, and audit support are completed accurately, completely, and on time
Key Responsibilities
Billing & Invoicing
Review billing documents and system data before issuing invoices approximately 500qts which peak period during 25th – 6th of each month.
Prepare and issue invoices; submit via customer billing platforms with supporting documents.
Coordinate with Sales / Project Coordinator to complete billing requirements.
Collection & Receipt
Follow up domestic outstanding receivables and cheque collection schedules.
Prepare Tax Invoices, Official Receipts, and related payment documents.
Month-end & AR Support
Perform Unbilled Sales / Reverse Unbilled Sales and month-end sales entries.
Reconcile AR balances and prepare adjustment entries for closing.
Credit limit extension request and payment term approval for clients
Reporting, Admin & Audit
Prepare CN, Bad Debt Provision, REC CHQ, Cash Flow, and weekly AR reports.
Support POA, watermarking confidential documents, stationery/form control, Balance Confirmation,
and audit requests.
Skills / System Experience
Good Excel skills: Pivot Table, XLOOKUP/VLOOKUP, SUMIFS, report preparation.
Good understanding of AR, billing, tax invoice, receipt, and collection processes.
Experience with Microsoft Dynamics 365 Finance / accounting module will be an advantage.
Intermediate English communication skills, including writing business emails and verbal
communication.Able to work with customer billing platforms and maintain accurate system records.
Qualifications / Requirements
Bachelor degree in Accounting, Finance, Business Administration, or related field.
Minimum 5 years in AR, Billing, Collection, or Accounting Operations.
Experience with invoices, Tax Invoices, Official Receipts, AR reconciliation, and month-end support.
- Detail-oriented, organized, deadline-driven, and able to communicate with customers and internal teams.
Skills / System Experience ·Good Excel skills: Pivot Table, XLOOKUP/VLOOKUP, SUMIFS, report preparation.
·Good understanding of AR, billing, tax invoice, receipt, and collection processes.
·Experience with Microsoft Dynamics 365 Finance / accounting module will be an advantage.
·Intermediate English communication skills, including writing business emails and verbal communication.
·Able to work with customer billing platforms and maintain accurate system records.
Posting date: 22-10-2026
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