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Mercor · Finance & specialist

Medical Expert - review AI outputs in your specialty

Listed on Mercor as “Medical Expert

$130-$180/hrRemoteContractPaid in USD
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What this actually is

You bring your specialist expertise to AI evaluation. The shape of the work varies but the pattern is the same: review outputs, rate quality, write prompts, flag errors. The platform title (Medical Expert) reflects the rate band and the expertise required, not the day-to-day work.

Can you do this on your visa?

F-2 / F-4 / F-5 / F-6: open. E-1 to E-7: needs concurrent-employment permit. D-2 / D-4 students: S-3 permit, 20 hr/week cap. D-10 / D-8: case by case.

Korean tax on USD income

First 5 years in Korea: foreign-source income only taxed if remitted into Korea. After year 5: worldwide income. Full tax guide.

Original posting from Mercor

About the Role

Mercor is partnering with a leading AI lab to train frontier models on high-quality healthcare reasoning data. We're expanding our Medical Expert network. As a Medical Expert, you'll design realistic clinical scenarios, evaluate model outputs against evidence-based standards, and help shape how the next generation of AI reasons about patient care.

If your specialty has its own dedicated listing on Mercor (Internal Medicine, Emergency Medicine, Psychiatry, Hematology/Oncology, Radiology, Cardiology), please apply through that listing instead - you'll see the rate band that actually applies to you. Use this listing if your specialty is not yet listed (e.g., Family Medicine, Pediatrics, Anesthesiology, Surgery, ENT, PMR/Pain, Occupational Medicine, etc.).

What You'll Do

  • Design clinically realistic prompts and scenarios drawn from your specialty (diagnostic reasoning, treatment planning, risk stratification, guideline concordance)
  • Write "golden" reference responses at attending-level quality
  • Grade AI-generated responses against structured rubrics
  • Provide written feedback the research team uses to improve model behavior
  • Participate in onboarding office hours and specialty calibration sessions

Who You Are

  • Attending Physicians: Must be board certified with current, active, unrestricted medical license
  • Resident physicians: Must be in final year of residency (recent graduates must be board-eligible)
  • Fellows: Must be board-certified/board-eligible in primary specialty and have current active, unrestricted, medical license.

Rates

Rates are set per specialty and seniority tier, benchmarked to Mercor. Your specific rate will be confirmed in your offer.

Engagement

  • Remote, 100% asynchronous
  • 20 hrs/wk default (can be raised after onboarding based on demand)
  • Paid weekly via Mercor
  • Start: rolling, after onboarding sign-off
  • Duration: ongoing, reviewed monthly

Before Your First Task

You'll receive an onboarding doc and a calendar invite for Onboarding Office Hours after you accept.

Quoted from Mercor’s public listing on 2026-07-07. We don’t edit platform copy; honest framing is in the title and the “what this actually is” block above.