Accounts Receivable Trainee (f/m/d)

Analyze, classify, and assign incoming tickets within the C4 system to support backlog reduction and improve ticket flow efficiency. Identify and manage duplicate requests to ensure accurate consolidation of information. Support customer requests for invoices, ensuring accuracy and proper documentation while collaborating closely with AR analysts to maintain service quality and timely resolution. This 6-month internship is based in the Lisbon office, requiring a Bachelor's degree in Accounting, Finance, or Business Management with strong prioritization skills and fluency in English. Applicants must deliver their CV in English before the application end date of August 16, 2026.