1. Role Overview
Mercor is partnering with a leading AI research organization to engage experienced accountants for a project focused on evaluating how well AI systems perform real-world accounting work. Rather than producing deliverables yourself, you will define what excellent work looks like: designing task-specific grading criteria and scoring completed work samples with rigorous, well-reasoned written justifications.
2. Key Responsibilities
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Design precise, task-specific grading criteria for real-world accounting deliverables (reconciliations, close packages, financial statements and disclosures, workpapers, technical accounting memos)
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Score AI-generated and human work samples against those criteria, with detailed written justifications for every score
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Apply consistent, evidence-based judgment so that scores are reproducible and defensible
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Incorporate structured feedback from senior reviewers and iterate quickly on your work
3. Ideal Qualifications
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5+ years of professional accounting experience
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Background in audit, assurance, or advisory at leading global accounting firms, or in senior accounting roles at large public companies
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CPA or equivalent professional certification strongly preferred
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Deep fluency in the day-to-day craft: US GAAP application, month-end close, account reconciliations, financial statement preparation and disclosures, and audit-ready workpapers
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Exceptionally strong written communication, with the ability to explain exactly why a piece of work does or does not meet professional standards
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Detail-oriented, consistent, and comfortable having your judgment reviewed and calibrated against peers
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Prior experience with AI training, evaluation, or human-data projects is a strong plus
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Accounting Expert - CPA Preferred in London employer: Obsidian
Obsidian is an exceptional employer located in the vibrant Greater London area, offering a dynamic work culture that fosters innovation and collaboration among experts in the field. Employees benefit from a fast-start program with opportunities for growth and extension, alongside a commitment to quality in AI model training that makes a meaningful impact in genomics. With a focus on professional development and a supportive environment, Obsidian is dedicated to empowering its team members to excel in their careers.
