About XR Extreme Reach 

Extreme Reach provides a Connectivity Suite for the ad industry, combining collaboration tools, digital asset management, a global distribution network and powerful analytics to provide smarter, more collaborative advertising workflows bringing the marketing and production processes together from idea to delivery for greater visibility, productivity, insight, and performance. 

Brands, agencies, production, and post-production teams use Extreme Reach to create great content together, manage their assets and leverage its world-class network of over 79,000 media destinations in 141 countries, to share their message with the world. 

Today over 100,000 businesses use Extreme Reach to reach billions of customers globally. We're a fast-moving team of passionate subject-matter experts located across 37 offices, speaking 45 languages, and on a mission to connect the world's media 

Role Summary 

The Accounts Receivable (AR) Billing Specialist is responsible for managing accounts receivable billing activities by ensuring accurate, timely invoice processing, maintaining data quality, and assisting with operational and financial controls. 

Key Responsibilities

1. Accounts Receivable Operations 

• Prepare and issue invoices in line with contractual terms 

• Review billing data for accuracy and completeness 

• Support dispute handling by providing invoice details and corrections, issuing credit notes  

• Assist with reconciliations between billing systems and AR ledgers 

2. Process Improvement, Standardization & Governance 

• Identifying opportunities to streamline processes, reduce errors, and enhance quality. 

• Ensure compliance with company policies and audit requirements 

• Maintain proper documentation of processes and updates 

3. System Enhancements & Project Participation 

• Act as a contributor in finance system projects involving AR (e.g. system upgrades, workflow enhancements, automation). 

• Support the rollout, testing, and stabilization of new tools, technologies, and processes impacting AR. 

4. Cross-Functional Collaboration & Stakeholder Engagement 

• Collaborate with AR, Finance, Sales, and Operations teams to resolve billing issues 

• Partner with O2C Leadership to enhance AR performance in each market. 

• Respond to internal and external billing-related queries in a timely manner 

• Escalate complex issues to senior team members when required 

5. Month-End Close & Compliance 

• Support month-end activities (billing cut-off, accruals, reconciliations) 

• Ensure invoices are issued within defined timelines 

6. Teamwork & Culture Expectations 

• Work proactively, collaboratively, and constructively with colleagues and customers at all levels. 

• Demonstrate strong team membership behaviors: integrity, respect, accountability, and effective communication. 

• Resolve issues using sound judgment; escalate appropriately and timely. 

• Share knowledge openly and support a positive and respectful workplace culture. 

• Maintain clear and timely communication regarding availability, leave, schedule changes, and any circumstances that may impact service delivery or business commitments. 

• Communicate clearly and effectively at all levels 

Requirements

• College or university degree in Finance, Accounting, Business, or related field. 

• Fluent English is required; additional European languages are an advantage. 

• Strong organizational skills and attention to detail, ensuring accuracy in account management and reconciliation activities 

• Excellent negotiation skills combined with a customer-focused and professional approach 

• Strong resilience and ability to deliver results in a high-pressure, fast-paced environment. 

• Ability to work independently while contributing to team goals and business objectives. 

• Positive, proactive, solution‑oriented attitude with resilience and drive. 

• Good understanding of accounting principles and AR control procedures. 

• Sound knowledge of Microsoft Excel is essential. 

• SSC/GBS experience preferred. 

• Knowledge of SAP B1 or Oracle NetSuite preferred. 

Benefits

• XR has 23 offices worldwide and teams spread throughout the US, EMEA and APAC, our multicultural teams work cross-departmentally and across continents and cultures towards a shared goal  

• It is our belief that the better we work together to help our clients achieve their goals, the more successful XR will be   

• Our leadership is provided a great deal of autonomy and freedom in their individual roles, they are encouraged to be self starters and to continuously develop their skills  

• Feedback from internal Employee Engagement Surveys cites the People, Teamwork and Flexibility as the most rewarding aspects of working at XR.  

• We are a supportive and collaborative culture that values multiple perspectives, fresh thinking and is dedicated to DEI  

• XR celebrates diversity of ideas, people and experiences   

• Generous PTO, flexible work schedules and hybrid working arrangements create a rewarding work-life balance