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Hiring now · posted today Health Contract · On-site / hybrid

Medical Affairs & Commercial Expert

$70–$100/hr

Published pay. The final rate depends on your test, experience and country.

United States Language: English Posted 14 Nov 2026

Medical Affairs & Commercial Expert is AI-training work for doctors, paying $70–$100/hr, open to applicants in United States. Posted 14 Nov 2026, still open on 14 Nov 2026. Zekai lists it for free; the application goes to the employer's platform.

About this role

Preparing for this role? See the best AI tools for doctors, practise with ready-made prompts for doctors, read Best AI Tools for Doctors & Clinicians in 2026 (Tested & Ranked) and take the free 30-day AI challenge.

Join a leading AI lab's cutting-edge GenAI team to be at the core of the AI revolution, where your expertise fuels the development of the most advanced Large Language Models.

1. Overview

Join a leading AI lab's cutting-edge GenAI team and help build foundational AI models from the ground up. We're seeking talented Medical Affairs and Commercial subject-matter experts (SMEs) from the pharmaceutical and biotech industry to bring deep expertise in medical strategy, scientific communication, market access and launch and elevate the quality of our AI training data. This is a full-time commitment of 40 hours per week.

This is a W-2 employment position with Cincinnatus LLC, with the opportunity to be placed at a leading AI Lab as part of their extended workforce.

2. Key Responsibilities
  • Guide research and engineering teams to close knowledge gaps and improve AI model performance in medical affairs strategy, scientific communication, health economics and outcomes research (HEOR), market access, and brand and launch strategy.
  • Design challenging, realistic medical and commercial tasks, such as medical information responses, publication planning problems, value dossier and payer questions, and launch strategy scenarios, and write accurate, well-structured solutions.
  • Evaluate AI model outputs on medical and commercial questions for scientific accuracy, fair balance, and compliance with the rules that separate scientific exchange from promotion, and provide clear, written feedback.
  • Develop guidelines and detailed rubrics to assess evidence interpretation, compliance judgment, and strategic reasoning across tasks.
  • Collaborate with other subject matter experts to ensure consistency and accuracy in training data.
3. Core Qualifications
  • 7+ years of dedicated professional experience in Medical Affairs, HEOR and Market Access, or Commercial (brand, marketing or launch strategy) within the pharmaceutical or biotech industry at a recognized, top-tier organization (e.g., a top-25 pharmaceutical company such as Pfizer, Merck, Roche, Novartis, AstraZeneca, Johnson & Johnson, AbbVie, Eli Lilly, Bristol Myers Squibb, Sanofi or GSK; a major biotech such as Amgen, Gilead, Genentech, Regeneron, Vertex or Biogen; a leading CRO such as IQVIA, ICON, Parexel, Syneos Health, PPD/Thermo Fisher, Labcorp/Fortrea or Medpace; or a regulator such as the FDA or EMA).
  • Hands-on experience in at least one of: field medical (MSL) or medical strategy leadership, publications and scientific communications, HEOR and market access (value dossiers, payer evidence), or brand and launch strategy.
  • Working knowledge of compliance requirements for medical and commercial activities (e.g., scientific exchange versus promotion, the PhRMA Code, Good Publication Practice).
  • Current or most recent role at Senior Manager or Associate Director level or above, with demonstrable career progression (e.g., MSL → Senior MSL → Associate Director, Medical Affairs → Director, or Brand Manager → Senior Brand Manager → Associate Director, Marketing → Director).
  • Ability to engage reliably for at least 40 hours/week during weekdays.
  • Experience with AI training or evaluation work, or hands-on use of AI tools in medical or commercial work, is a plus.
  • Strong written communication skills and the ability to explain complex scientific and strategic decisions clearly.

About Cincinnatus LLC: Cincinnatus LLC is an enterprise staffing company that partners with leading technology companies to source and employ highly skilled professionals for contingent and contract-based opportunities. Cincinnatus serves as the employer of record for these engagements, providing W-2 employment, payroll, benefits, and compliance, while placing employees directly within client teams to work on high-impact initiatives.

Equal Employment Opportunity: Cincinnatus is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or any other legally protected characteristic.

Location: United States.

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  3. Most platforms ask for a CV and a short skills test or AI interview in your field.
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What to know before you apply

Pay
At the published rate, 10 hours a week would be about $700–$1,000 and 20 hours about $1,400–$2,000 before tax. Hours depend on the project, so treat this as a ceiling, not a promise.
Location
Only applicants located in United States can be paid for this role. Platforms usually verify where you are, so apply only if you are based there.
Credentials
The listing asks for 7+ years of experience. Put it in the first line of your profile: reviewers screen for it before anything else.
Timing
This listing is new today. Projects can close once they have enough people, so it is worth applying while it is open.
Test tips for doctors
  • Lead every review with patient safety: flag dangerous dosing, missed red flags and contraindications first.
  • Cite the guideline you rely on (WHO, NICE, specialty society) when you correct the AI.
  • Keep answers at the level of a specialist colleague, not a patient leaflet, unless the task says otherwise.
Prepare free with Zekai

3 steps to stand out as one of the best doctors

  1. 01

    Know the AI tools doctors use

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  2. 02

    Practise with real prompts

    Many tests ask you to write or judge prompts in your field. Practise on these first.

    Generate FAQs for a Condition

    Generate a list of 5 frequently asked questions (FAQs) a patient newly diagnosed with [[Condition Name]] might have. Provide a simple, concise answer for each. RULES: 1. The questions should cover diet, activity, medication, an…

    Summarize a Research Abstract

    Summarize the following research abstract into a 3-bullet-point summary using the PICO framework. RULES: 1. Bullet 1 (Population/Intervention): Who was studied and what was done? 2. Bullet 2 (Comparison/Outcome): What was the …

    Prompt library for doctors →
  3. 03

    Take the free 30-day AI challenge

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    Guides for doctors

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