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The Adecco Group

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Senior Accountant

BangkokFull-timeSeniorPosted Oct 22, 2026

Job description

Role 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 25 th – 6 th 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

Description copied from The Adecco Group's careers page. Read the full posting before you apply.

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