**Functions:** * Issuance of commercial documents: invoices, sales receipts, credit and debit notes. * Validate necessary information for the issuance of commercial documents. * Creation and maintenance of the customer database. * Coordinate and manage collections within the scheduled date. * Weekly and monthly accounts receivable reports. * Handle direct customer complaints. * Perform all other duties inherent to the area of responsibility. **Job Requirements:** * Graduate with a technical or university degree in administration, accounting, finance, or related fields. * Knowledge of billing, customer service, and accounts recovery. * Minimum 1 year of experience in billing and collections within companies in the sector. * Proficient in ERP systems and intermediate to advanced level in Excel. * Competencies: fluent communication, teamwork, agility, learning ability. * Availability to work Monday through Friday from 9:00 am to 7:00 pm. Job type: Full-time Salary: Starting at S/.1,500.00 per month Work location: On-site position