About AssistRx

AssistRx is a leading healthcare technology company that helps life sciences organizations launch and scale patient access programs. Our platform connects manufacturers, pharmacies, providers, and patients through configurable, compliant, and data-driven solutions that support therapy initiation, affordability, and ongoing patient support.

We operate in a high-growth, private-equity-backed environment where accuracy, accountability, and execution matter. Our teams work across complex client contracts, evolving billing models, and high-volume financial workflows—making attention to detail and strong cross-functional collaboration essential.

At AssistRx, you’ll work alongside experienced professionals in Finance, Operations, Technology, and Account Management, supporting mission-critical programs for some of the largest pharmaceutical manufacturers in the world. We value ownership, transparency, continuous improvement, and people who take pride in getting the details right.

About the Role

The Billing Specialist (Accounts Receivable) plays a critical role in ensuring accurate, timely, and compliant billing and cash application across AssistRx’s client base. This position is heavily focused on end-to-end Accounts Receivable ownership, including invoicing, payment application, collections support, reconciliations, and cross-functional coordination.

The ideal candidate is highly detail-oriented, comfortable working with complex billing structures and contracts, and experienced in managing AR in a fast-paced, multi-department environment.

Key Responsibilities

Accounts Receivable & Cash Application

• Prepare and reconcile daily bank deposits, ensuring accuracy and proper documentation
• Apply customer payments to outstanding invoices in a timely and accurate manner
• Maintain and actively manage Accounts Receivable aging, identifying past-due balances and discrepancies
• Support collections efforts through customer correspondence and follow-ups as directed

Billing & Invoicing

• Prepare, issue, and reconcile customer invoices, including complex, multi-level billing arrangements
• Work with purchase orders (POs), ensuring billing aligns with contracted amounts and remaining balances
• Review contracts to ensure billing accuracy across varying pricing models and service levels
• Maintain complete and organized billing and AR documentation

Reconciliations, Reporting & Support

• Reconcile customer accounts and resolve billing discrepancies
• Retrieve and review credit reports; assist with customer credit evaluations as needed
• Support Account Management by providing detailed invoicing, payment status, and AR reporting
• Assist with client forecasts and accruals, ensuring revenue and receivables are accurately represented
• Collaborate closely with Finance, Sales, Account Management, and Operations teams

Additional Duties

• Assist with AR-related projects and process improvements
• Ensure compliance with internal controls and accounting best practices
• Perform other duties as assigned by management

Requirements

Required Qualifications

• Strong Accounts Receivable experience with hands-on ownership of billing, cash application, and reconciliations
• High attention to detail and accuracy in a high-volume environment
• Experience working with purchase orders, billing limits, and contract-based invoicing
• Ability to manage multiple priorities and collaborate across departments
• Strong written and verbal communication skills

Technical Skills

• Excel (intermediate to advanced; reconciliations, tracking, reporting)
• Outlook
• Experience with ERP or accounting systems (e.g., NetSuite – preferred, not required)
• Familiarity with bank portals and cash application tools (e.g., SunTrust/Truist or similar)
• Experience working with sales tax and billing compliance

Nice to Have

• Experience preparing client forecasts and accruals
• Exposure to complex SaaS or healthcare billing models
• Prior experience supporting Account Management or client-facing teams

Benefits

• Supportive, progressive, fast-paced environment
• Competitive pay structure
• Matching 401(k) with immediate vesting
• Medical, dental, vision, life, & short-term disability insurance

AssistRx, Inc. is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration without regard to race, religion, color, sex (including pregnancy, gender identity, and sexual orientation), parental status, national origin, age, disability, family medical history or genetic information, political affiliation, military service, or other non-merit based factors, or any other protected categories protected by federal, state, or local laws.

All offers of employment with AssistRx are conditional based on the successful completion of a pre-employment background check.

In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire. Sponsorship and/or work authorization is not available for this position.

AssistRx does not accept unsolicited resumes from search firms or any other vendor services. Any unsolicited resumes will be considered property of AssistRx and no fee will be paid in the event of a hire