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 escal...
• Support the Controller on billing setup for new products, customers, or pricing structures as the business evolves.
• Help 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.

• 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.
• Strong follow-through and ability to proactively chase down payments, answers, and missing information.
• 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.