Accounts Payable Specialist (Coupa) Contract

Kyverna Therapeutics is a patient-centered, clinical-stage biopharmaceutical company developing cell therapies for patients suffering from autoimmune diseases. Guided by our core values, Stay True to Why, Collaborate to Accelerate, Lead with Clarity, Boldly Innovative, and Own the Outcome, we are committed to transforming the future of treatment for autoimmune disease. Join us at the forefront of cell therapy innovation and help redefine what’s possible.

Title: Accounts Payable Specialist (Coupa) Contract

Reports to: Sr. Director, Accounting

Location: Remote (West coast hours preferred)

Duration: Through December 2026 with potential extension based on business needs

Hours: 40/hrs per week

Hourly rate: $40-45/hr

Position Summary

Kyverna is seeking a detail-oriented and highly organized Accounts Payable Specialist to join our Finance team. The ideal candidate will have strong experience working within the Coupa Procure-to-Pay (P2P) platform, partnering closely with internal and external stakeholders to resolve invoice discrepancies, maintain compliance with company policies, and support month-end close activities. Experience in a high-growth, publicly traded, or biotechnology/pharmaceutical environment is preferred.

• Administer vendor onboarding and maintenance, including collection and validation of banking information and tax documentation
• Guide vendors through account setup in Coupa
• Serve as primary point of contact for vendor inquiries via phone and email; own escalations end-to-end
• Prepare and reconcile AP aging reports and vendor statements, resolving aged/outstanding items
• Maintain accurate, audit-ready vendor master data
• Process vendor invoices accurately and timely using the Coupa platform
• Review, validate, and match purchase orders, receipts, and invoices for both goods and services POs, ensuring compliance with company purchasing policies
• Manage the full invoice lifecycle, including coding, approvals, exception handling, and payment processing
• Monitor Coupa invoice queues, approval workflows, and aging reports to ensure timely processing
• Apply sales/use tax knowledge to invoice review; identify and flag applicable tax items
• Set up and process payment batches in Coupa; apply credit memos, process adjustments, and manage partial payments
• Investigate and resolve invoice discrepancies, payment issues, and vendor inquiries in collaboration with business stakeholders
• Assist with annual 1099 reporting and ensure compliance with applicable tax regulations
• Strong understanding of W-9 and W-8 forms, including entity type distinctions  and how they affect 1099 reporting
• Review, complete, and communicate W-9/W-8 requirements with vendors
• Process and review employee expense reports
• Support corporate credit card program, including cardholder support and transaction review
• Support travel booking systems and related billing/expense reconciliation
• Prepare month-end AP and credit card account reconciliations