AR & Collections Specialist

Boston BioProducts is seeking a detail-oriented Part-Time Accounts Receivable (AR) & Collections Specialist to support customer billing, collecting past due invoices, and account reconciliation. This person will help maintain accurate records, follow up on outstanding balances, and work with customers and internal teams to resolve billing discrepancies and payment issues. This is a PART-TIME position that is 100% on-site in Milford, MA, with a schedule of Monday-Friday (10am -2pm). **Direct Local Applicants ONLY - No Staffing Agencies or Third-Party Recruiters." Responsibilities Prepare and send customer invoices and account statements. Record and apply incoming payments accurately. Review accounts receivable aging reports and follow up on overdue invoices. Research payment discrepancies, short payments, and billing questions. Reconcile customer accounts and help resolve outstanding balances. Partner with Sales, Customer Service, and Finance to address invoice or purchase order issues. Maintain organized documentation and support month-end reporting. Qualifications 2-5 years of experience in accounts receivable, payment application, reconciliation and collections Strong attention to detail and meticulous Proficiency in Excel and experience with accounting or ERP software (NetSuite a plus) Clear, professional communication with customers and internal teams Ability to prioritize work independently within a part-time schedule. Experience in biotech, life sciences, or manufacturing Ability to manage a high volume of customer accounts Education High school diploma or equivalent required Associate's degree in accounting, finance, or a related field preferred Physical Requirements Ability to perform computer-based work and routine administrative tasks for extended periods. Ability to move between office, warehouse, and mail collection areas to support billing and payment processing. Ability to handle printed documents, prepare outgoing mail, and retrieve and distribute incoming mail.