1\. Education: Graduate of Business Administration, Accounting, Administrative Technician, related fields, or currently in the final cycles of these programs. 2\. Training: Microsoft Excel\-intermediate level 3\. Experience: More than 3 months in areas related to the position and/or customer service (desirable) 4\. Skills * Self-expression in social situations. * Interpersonal relationships. * Fluent communication. * Proactive attitude. 5\. Responsibilities and Functions: * Issue invoices and receipts for services provided by the company. * Record all business transactions related to billing. * Prepare the sales Excel sheet provided to the company's accountant. * Continuously update and track payment vouchers for services. * Answer customer calls regarding collections and billing. * Prepare Excel sheets for monthly mass deduction payments. * Customer standardization with required documentation. * Perform pre-registration of invoices on supplier portals. * Other duties assigned inherent to the position. Working conditions: * Small and medium-sized enterprise (SME). * Payroll inclusion with legal benefits. * Working hours: Monday\-Friday from 8:00 am to 6:00 pm and Saturday from 9:00 am to 12:00 pm. Job type: Full-time Salary: S/.1,200\.00 per month Work location: On-site