Billing Specialist, AR & Collections

Responsibilities

• Create, review, and manage customer invoices with a high degree of accuracy
• Support usage-based billing by working with internal data, billing inputs, customer-specific adjustments, and pricing rules
• Read customer contracts carefully and apply billing terms correctly
• Own billing onboarding for new customers
• Support renewal and upsell billing transitions
• Make invoice updates and revisions based on customer requirements, PO details, usage adjustments, or internal review
• Upload invoices into customer portals and manage customer-specific submission requirements
• Track invoice status and ensure invoices are sent accurately and on time
• Own the end-to-end AR process once invoices are sent, including payment application, monitoring outstanding balances, and proactively following up on overdue accounts
• Pull weekly AR and collections reports for the Controller and maintain organized tracking of collections status, customer responses, and next steps
• Communicate directly with customers to resolve billing questions, invoice disputes, portal issues, and payment delays
• Partner with Sales and Client Services to escalate customer-specific billing escalations and flag where their involvement is needed to move collections forward
• Support the Controller on billing setup for new products, customers, or pricing structures as the business evolves
• Identify recurring billing issues, manual bottlenecks, and opportunities to improve the process
• Support ad hoc finance and billing-related projects as needed in a scrappy startup environment

Requirements

• Experience in billing, accounts receivable, collections, finance operations, accounting, client billing, or a related operational role
• Strong client-facing communication skills and a professional, patient, service-oriented approach
• Excellent attention to detail, especially when reading contracts, applying pricing rules, and reviewing invoices
• Comfortable with manual, repetitive, detail-heavy process work
• Highly organized and able to track many invoices, customers, follow-ups, and edge cases at once
• Comfortable working in Google and Excel spreadsheets and manipulating billing or AR data
• Resourceful and able to operate without a perfect playbook, documented process, or step-by-step instructions
• Able to ask good questions when something is unclear, especially around contract terms or customer-specific billing requirements
• Comfortable working directly with customers on billing questions, disputes, and payment follow-up
• Based in the NYC area and available to work onsite in our Flatiron office Tuesday through Thursday