Billing & Accounts Receivable Specialist

Martine Law, PLLC - Criminal Defense and Family Attorneys; Argentina; On-site; ARS 16,632,000 - 20,790,000; Full time

Job summary

Martine Law, PLLC - Criminal Defense and Family Attorneys is seeking an experienced Legal Billing & Accounts Receivable Specialist. The role focuses on accurate billing, safeguarding client relationships, and maintaining financial precision in a fast-paced, tech-driven firm.

You will manage billing across Criminal Defense and Family Law, including hourly and flat-fee matters, retainers, and trust/IOLTA accounts, with strong attention to detail and client communication.

Qualifications

• Experienced in legal billing and law firm accounting.
• Knowledgeable about hourly billing, flat-fee matters, retainers and client trust/IOLTA accounts.
• Highly accurate with detailed financial information.
• Confident communicating billing matters with clients.

Responsibilities

• Manage billing and client accounts for Criminal Defense and Family Law practices.
• Handle flat-fee criminal defense billing, payment plans, balances, credits and refunds.
• Prepare and finalize monthly hourly billing invoices for Family Law clients.
• Monitor retainers and request trust replenishments as needed.
• Maintain trust/IOLTA ledgers and assist with trust-account reconciliations.
• Post payments and resolve account discrepancies; monitor aging and past-due balances.
• Follow up with clients regarding payments and outstanding balances.
• Collaborate with attorneys to resolve billing questions and adjustments.

Skills

Legal billing

Accounts receivable

Trust/IOLTA accounting

Client communication

Detail-oriented

Technology skills

Tools

Clio

Job description

Legal Billing & Accounts Receivable Specialist Join a Fast-Growing, Modern Law Firm

Martine Law is looking for an experienced Legal Billing & Accounts Receivable Specialist who understands that accurate billing is about more than sending invoices—it’s about protecting client relationships, maintaining financial accuracy, and keeping a growing law firm running smoothly.

If you have experience with law firm billing, trust/IOLTA accounting, accounts receivable, and client payment management, and you thrive in a fast-paced, technology-driven environment, we want to hear from you.

Why Martine Law?

We’re building a modern law firm with strong systems, clear accountability, and the technology and operational support needed to scale.

This is an opportunity to become an important part of a growing organization where accuracy matters, initiative is valued, and strong performers have room to grow.

If you’re an experienced legal billing professional who enjoys bringing order, accuracy, and accountability to a busy billing operation, we’d love to meet you.

Compensation:

$8 - $10 hour DOE

Qualifications

• What We’re Looking For
• We’re looking for someone who is:
• Experienced in legal billing, law firm accounting, accounts receivable, or a closely related role.
• Knowledgeable about hourly billing, flat-fee matters, retainers, and client trust/IOLTA accounts.
• Highly accurate and comfortable working with detailed financial information.
• Confident communicating with clients about sensitive billing and payment matters.
• Organized, dependable, and able to manage competing deadlines.
• Comfortable working with attorneys and other professionals to resolve account issues.
• Technologically proficient and able to learn new systems quickly.
• Proactive—you identify a problem and work toward a solution rather than waiting for someone else to find it.
• Experience with Clio or similar legal practice-management/billing software is strongly preferred.

Responsibilities

• What You’ll Do
• You’ll manage billing and client accounts across both our Criminal Defense and Family Law practices, including:
• Manage flat-fee criminal defense billing, payment plans, outstanding balances, credits, adjustments, and refunds.
• Prepare and finalize monthly hourly-billing invoices for Family Law clients.
• Monitor client retainers and send timely trust replenishment requests.
• Maintain accurate client trust/IOLTA ledgers and assist with trust-account reconciliation.
• Apply earned fees and costs from trust accounts accurately and in accordance with Firm procedures.
• Post and apply client payments and resolve account discrepancies.
• Monitor accounts receivable, aging, unbilled time, and past-due balances.
• Professionally follow up with clients regarding payments, invoices, depleted retainers, and outstanding balances.
• Work directly with attorneys and staff to resolve billing questions, adjustments, write-offs, and unusual account activity.
• Identify billing or trust discrepancies quickly and ... when appropriate.
• Help ensure billing and trust-account records remain accurate, timely, organized, and compliant.