We are seeking a person with at least 1 year of experience in the BILLING area. MUST HAVE KNOWLEDGE AND EXPERIENCE IN: * CFDI 4.0 handling (recording payment complements, waybills, credit notes). * Invoice entry and generation. * Invoice management on portals (daily basis). * Generation of accounting entries and customer follow-up support. * Use of CONTPAQ system. * Work location: Central Oaxaca. * We offer: Direct employment with the company, job stability, professional/economic growth, minor medical expense insurance, salary, and statutory benefits (100% real IMSS coverage), plus additional benefits. Job type: Full-time. Salary: $8,191.57 – $17,225.51 per month. Workplace: On-site employment.