Fractional Billing & Accounts Receivable (AR) Operations Specialist [$75-$100/hr]
Experienced billing and accounts receivable professional with a background in professional services environments (consulting, legal, advisory, or similar) to bring structure, accuracy, and operational rigour to client billing, collections, and revenue tracking processes
Role Responsibilities
Billing Operations
Experienced billing and accounts receivable professional with a background in professional services environments (consulting, legal, advisory, or similar) to bring structure, accuracy, and operational rigour to client billing, collections, and revenue tracking processes
Role Responsibilities
Billing Operations
- Own end-to-end client invoicing cycles, including time-and-materials, milestone-based, and retainer billing structures
- Ensure accurate tracking of billable hours, project codes, and client-specific terms
- Partner with internal stakeholders (finance, operations, client leads) to validate invoice inputs
- Maintain clear documentation of billing policies and workflows
- Monitor outstanding invoices and proactively manage collections
- Lead professional, client-facing communication regarding billing inquiries and payment follow-ups
- Maintain AR aging reports and provide visibility into cash flow forecasts
- Identify patterns in payment delays and recommend process improvements
- Assess and improve billing systems, tools, and reporting workflows
- Implement scalable controls to support growth in client volume
- Support monthly revenue reconciliation and financial reporting
- Ensure compliance with contractual terms and internal financial controls
- 5+ years of experience in billing and AR operations
- Prior experience in professional services environments (consulting firms, law firms, advisory practices, or similar)
- Strong understanding of:
- Time-based and project-based billing models
- Revenue recognition fundamentals
- AR aging and collections workflows
- Experience working with accounting platforms
- Excellent written communication skills for professional client correspondence
- High attention to detail and strong process discipline
- Ability to work independently in a fractional capacity
- Experience supporting venture-backed startups or high-growth technology companies
- Familiarity with SaaS or AI services billing structures
- Experience building billing processes from early-stage or scaling environments
- Background in financial reporting or FP&A collaboration