Are you looking to grow your career in a dynamic and collaborative environment? Are you passionate about accounting and financial operations?SIX Global Business Solutions, located in the heart of Warsaw, is a key division of SIX and one of the Best Workplaces in Poland. Our Customer Processing Team (Accounts Receivable) is responsible for managing the full spectrum of accounts receivable processes for SIX entities. This includes, among others, cash application, customer account management, and collections – all in compliance with internal and external regulatory requirements.We are currently seeking a motivated and detail-oriented Junior Accounts Receivable Specialist to join our team and support the efficient management of our receivables operations. We offer both full-time and part-time employment options. What You Will  Do Support the Accounts Receivable team in executing daily operational tasks, including managing customer and subledger accounts, applying incoming and outgoing payments, reconciling bank statements, resolving unallocated payments, and processing customer invoices Assist with monthly and year-end closing activities, ensuring deadlines are met and data accuracy and quality are maintained Provide support to internal departments and external customers by handling inquiries and requests Participate in the dunning and collection process Contribute to ad-hoc tasks and analyses Ensure process documentation is regularly reviewed and updated in collaboration with the team What You Bring A motivated and proactive attitude, with a strong desire to grow in finance and accounting A collaborative mindset and solid analytical skills, with attention to detail Initial experience in Accounts Receivable or a similar area is a plus Very good command of English and German, both spoken and written Basic understanding of financial accounting principles Educational background in finance, accounting, or economics Good working knowledge of MS Office; experience with SAP (FI/SD) is an advantage