Billing Collector (3rd party contract)

Pathumwan, Bangkok June 13, 2026 Full Time Workday

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This position is a 3rd party contract role

We are seeking a detail-oriented and proactive professional to support billing placement and accounts receivable operations. This role is responsible for coordinating billing activities, managing customer correspondence, and ensuring accurate and timely documentation to support efficient collections and reduce outstanding balances.

The incumbent will work closely with key stakeholders, including customers, Credit and Accounts Receivable (AR) teams, Customer Service, banking partners, and internal finance teams, to facilitate payment processing and resolve billing-related matters.

Job Responsibilities:

  • Perform and coordinate all Billing placement activities including correspondence with customers. Compile the relevant documents required by customers on time to improve collection and reduce past due.

  • Prepare documentation for cheque collection on time based on Credit’s confirmation for timely payment receipt.

  • Download Bank statements from Bank portal for Account Receivable (AR) team posting.

  • Print bank statement attached with receipt invoice – copy

  • Scan audit confirmation from customer to Credit for confirmation and to get stamp and sign from authorizer

  • Contacting with Bank for purpose of fund confirmation and assist Customer Service team for Letter of Credit (LC) related documents preparation

  • Perform invoice re-aging adjustments in the system when BL is provided

  • Any other work assigned from Supervisor.

Job Requirements

  • Bachelor’s degree in Business Administration, Accounting, Finance, or a related field.

  • 1–2 years of experience in administrative support, or a related function.

  • Good command of English (written and spoken) for customer correspondence and internal coordination.

  • Proficient in Microsoft Office

  • Strong attention to detail and accuracy

  • Good time management skills with the ability to meet deadlines and follow processes such as payment schedules and billing adjustments.

  • Strong communication and interpersonal skills with a service-oriented mindset

  • Ability to work independently under pressure as well as collaboratively within a team environment.

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