Payment-posting & Reconciliation Manager

Payment-Posting & Reconciliation Manager

Hourly contract Remote

Mercor is working with a leading AI research lab to improve the capabilities of next-generation AI systems. We are seeking experienced Cash Posting and Payment Reconciliation Managers to evaluate AI tools designed to automate electronic remittance processing, payment posting, and cash reconciliation workflows. Your expertise in ERA processing, EOB interpretation, and payment reconciliation will directly inform AI systems that improve cash posting accuracy and accelerate revenue cycle close.

Responsibilities

• Oversee cash posting and payment reconciliation operations, including electronic remittance advice (ERA/835) processing, manual EOB posting, and lockbox reconciliation.
• Evaluate AI-generated payment posting outputs, ERA matching recommendations, and reconciliation reports for accuracy and completeness.
• Manage electronic and manual payment posting workflows across multiple payers and payment types.
• Reconcile posted payments against bank deposits, lockbox reports, and payer remittances to ensure accuracy.
• Identify and resolve posting errors, misapplied payments, and unapplied cash.
• Monitor cash posting KPIs, including posting accuracy rates, days to post, unapplied cash balances, and reconciliation variance.
• Collaborate with billing, A/R, and finance teams to resolve payment discrepancies and ensure timely cash close.
• Ensure compliance with internal controls, HIPAA, and audit requirements for cash handling.
• Annotate AI outputs and provide structured feedback to support AI training datasets.

Requirements

• 5+ years of experience in cash posting, payment reconciliation, or revenue cycle operations, with at least 2 years in a management role.
• Deep knowledge of ERA/835 electronic remittance processing, EOB interpretation, and lockbox reconciliation.
• Strong understanding of payer payment methodologies and remittance adjustment reason codes.
• Experience managing high-volume payment posting operations across multiple payers.
• Proficiency with billing systems and payment posting platforms (Epic, Athenahealth, or equivalent).
• Exceptional written and verbal English communication skills.
• High attention to detail with the ability to identify posting errors and discrepancies in AI-generated payment outputs.

Why Join?

• Contribute to the development of frontier AI systems in healthcare.
• Collaborate with a world-class AI research organisation.
• Gain exposure to cutting-edge AI workflows in payment reconciliation and revenue cycle management.
• Opportunity to work on high-impact projects shaping the future of healthcare AI.

Contract and Payment Terms

• You will be engaged as an independent contractor.
• This is a fully remote role that can be completed on your own schedule.
• Projects can be extended, shortened, or concluded early depending on needs and performance.
• Your work at Mercor will not involve access to confidential or proprietary information from any employer, client, or institution.
• Payments are weekly on Stripe or Wise based on services rendered.
• Please note: We are unable to support H1-B or STEM OPT candidates at this time.

About Mercor

Mercor partners with leading AI labs and enterprises to train frontier models using human expertise. You will work on projects that focus on training and enhancing AI systems. You will be paid competitively, collaborate with leading researchers, and help shape the next generation of AI systems in your area of expertise.

Earn up to $340 by referring

Share the referral link below, and earn up to $340 for each successful referral through this unique link. There's no limit on how many people you can refer. Restrictions may apply. Learn more Don't know who to refer? Find relevant LinkedIn connections here. One interview, real results AI experts share how Mercor made hiring faster, fairer, and easier — with just one interview.