ATI Business Group is seeking a passionate and detail-oriented Customer Service Billback Specialist to support one of our valued client operations. This role is crucial in tracking billback invoices, managing supplier follow-ups, and assisting customers with using the client's tools while addressing their inquiries. Fluency in both Mandarin and English is required for this role as you'll be regularly interacting with Mandarin-speaking clients and suppliers. What You'll Be Doing: + Invoice Management: Track, follow up, and collect billback invoices to ensure timely payment. + Supplier Engagement: Proactively communicate with suppliers in both English and Mandarin to resolve any outstanding billback invoices. + Customer Support: Assist customers by addressing inquiries and guiding them in using the client's tools effectively, in both English and Mandarin. + Record Keeping: Maintain accurate and organized records for all transactions. + Adherence to Standards: Follow established processes and guidelines to ensure top-notch service quality. + Issue Reporting: Identify and report any challenges or system limitations to your supervisor for quick resolution. What We're Looking For: + Mandarin Fluency is Essential: Proficiency in both English and Mandarin is a must. You'll be interacting with Mandarin-speaking clients and suppliers regularly, so a high level of fluency in both languages is required. + Sharp Analytical Skills: Strong numerical and analytical ability to navigate complex tasks with ease. + Experience: At least 2+ years in customer service, with excellent communication skills in English. + Industry Background: Experience in hospitality or travel industry is a plus. + Adaptability: Comfortable working in shifts, including public holidays. + Location Flexibility: Willingness to work in Central Jakarta (Harmoni, Batu Tulis, Gambir) or BSD. Be Part of ATI Journey Our aim at ATI Business Group in working with our clients is to support their continued growth by providing cost-effective technology and talented & scalable people resources on demand. ATI's singular focus on providing services to the travel and hospitality business communities across the globe has been a remarkably successful one. Since commencing in 2002 we now have over 1300 employees providing services to our clients worldwide.