Job Summary: A professional with experience in payroll management, social security, employment contracts and documentation, as well as general accounting, invoice recording, and tax preparation. Key Responsibilities: 1. Comprehensive payroll and social security management 2. General accounting management and tax preparation 3. Employment contract and labor documentation management * Payroll preparation and calculation * Social security management * Registration, deregistration, and modifications in the Social Security system * Employment contract and labor documentation management * Settlement calculation * Management of sick leave, permits, and absences * Support during labor inspections or official requests * Document control and archiving * Filing of labor and tax forms (RED system, SILTRA, AEAT, etc.) * General accounting management * Recording of customer and supplier invoices * Bank reconciliations * Receivables and payables control * Tax preparation (VAT, Personal Income Tax, etc.) Job Type: Part-time Salary: €1,700.00–€1,800.00 per month Expected Hours: 20 hours per week Benefits: * Flexible working hours Work Location: On-site employment