Accounts Receivable Specialist (3 months fixed-term)

KOSTAL Group is a globally active, family-owned German company renowned for delivering innovative, market-leading solutions in the solar and automotive industries. Founded in 1912, the company has grown into a worldwide organization with around 20,000 employees across 47 locations in 22 countries. As part of its continued expansion, KOSTAL established KOSTAL Business Services (KBS) in 2022, marking the launch of its first Business Service Centre in Hungary. This hub provides high-level support across key functions including IT, finance, procurement, master data, sales, and human resources. Designed as a global centre of excellence, KBS focuses on delivering complex, high value-added services that strengthen and support KOSTAL’s international operations. Overall purpose of the role Provide accurate and up-to-date financial information to internal stakeholders (such as Sales, Treasury, and other departments) and external parties (including customers, auditors, and authorities) on a regular and ad hoc basis. Support dispute resolution, maintain clean and current account balances through effective cross-functional cooperation, and contribute to the simplification and improvement of finance processes through root cause analysis and troubleshooting. Main Tasks, Roles, and Responsibilities Participate in day-to-day operations across key finance process areas, including: Credit management Invoicing Incoming payment processing Collections management and dunning Customer dispute handling Identify, investigate, and resolve operational and financial issues in a timely manner. Build and maintain professional working relationships with business partners and stakeholders. Act as an ambassador of the organization in communication with customers, especially in: Email correspondence Research and investigation tasks Telephone discussions and follow-ups Reporting activities Ensure a high level of customer service while representing the company in a professional and solution-oriented manner. Support continuous process improvement by recognizing inefficiencies and proposing practical solutions. Education: University or college degree in Finance & Accounting, Economics, Business Administration or experience in Finance & Accounting field Strong AR knowledge with at least 3 years finance operations role, in SSC Experience in a service driven, customer-oriented environment Good knowledge of Microsoft Office tools Good knowledge of SAP Fluent in English AND German Required Skills and Competencies: Communication, interpersonal and analytical skill Proactive and outcome-focused attitude Self- motivation What do we offer : Flexible working conditions with remote work possibility (in-person presence is required from time to time), you can have a real work-life balance Modern, newly renovated, sustainable office with parking space and bicycle storage area in the heart of Budapest Supportive, diverse and highly skilled community Ability to really make a difference and build new processes from scratch, you can participate in the formation and shape of the BSC processes KOSTAL is a dynamically developing company, an independent, family-run business which provides much flexibility You can enjoy our value-oriented work culture: we are down-to-earth, appreciative, inspiring and innovative