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AR/AP/Collections Specialist I

J4 Biologics | Full-Time | $25 per hour

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J4 Biologics is growing, and we’re looking for a detail-oriented, dependable bookkeeper with experience in accounts receivable, accounts payable, and collections to support our daily financial operations.

This is an opportunity to build your accounting skills while contributing to a company committed to honoring tissue donation and advancing medical science.

What You’ll Do

  • Maintain accurate financial records and enter daily transactions.
  • Prepare customer invoices, apply payments, and monitor outstanding balances.
  • Follow up on past-due accounts professionally and help resolve billing questions.
  • Review vendor invoices, verify supporting documentation, and prepare payments for approval.
  • Reconcile bank and credit card accounts and investigate discrepancies.
  • Organize receipts, invoices, and other accounting documentation.
  • Assist with month-end close, basic reporting, and administrative tasks.
  • Communicate with customers, vendors, and internal teams to keep accounts accurate and current.

What You’ll Bring

  • Some hands-on experience in AR/AP and collections; this may come from a junior accounting, bookkeeping, or administrative role.
  • Familiarity with accounting software and Microsoft Excel.
  • Strong attention to detail, organization, and follow-through.
  • Clear, courteous communication skills and confidence following up on overdue payments.
  • Discretion when handling confidential financial information.
  • A willingness to learn, ask questions, and contribute to a growing team.

Why J4?

At J4, every role supports a larger purpose. Behind our work is the generosity of tissue donors and their families—and a shared responsibility to honor that gift through care, quality, and innovation.

We’re proud of our progress and excited for our future. If you’re ready to grow with us, we’d love to hear from you.

Your next chapter

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Complete the application below for A/R A/P Collections Specialist I.

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