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Math & STEM

Chemistry Expert

AfterQuery logoAfterQuery$75/hrRemote, most countriesContractPosted 10mo ago

Its $75/hr is above the $40/hr median of the Math & STEM roles open now, whose typical pay runs $35–$130/hr. How that pay moves week by week is in our research on Math & STEM work.

Half of all Math & STEM roles come down within 27.1 days of being listed, and 45.4% are still up after four weeks. This one was posted 316 days ago.

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About the role

AfterQuery is seeking a Chemistry PhD Expert to help design, create and evaluate challenging chemistry problems that train and refine our AI models. In this flexible, remote role, you will create authentic, thought-provoking prompts based on real-world chemical principles and apply your deep expertise to assess model responses. You'll play a vital role in bridging the gap between advanced chemical research and next-generation AI capabilities while working on project-based assignments with flexible hours.

Responsibilities

  • Provide detailed feedback to improve both question quality and the AI's understanding of complex chemical concepts.
  • Develop and refine comprehensive Graduate-level / PhD level chemistry questions and solution that require extensive knowledge in Chemistry

Required qualifications

  • A minimum experience of 2 years in academic research, industrial R&D, or applied chemistry settings.
  • Exceptional analytical, experimental design, and critical writing skills, with the ability to interpret complex data accurately.
  • Masters or PHD in Chemistry, Chemical Engineering, Biochemistry, or a related field.

Preferred qualifications

  • Demonstrated experience in publishing research or technical reports, and a strong record in scientific communication.
  • Familiarity with undergraduate and advanced chemistry topics across various disciplines, including organic, inorganic, physical, and analytical chemistry.
  • Prior exposure to AI/ML environments or a collaborative, interdisciplinary work setting.

Why apply

  • Competitive Compensation: Enjoy top-tier hourly rates with performance incentives that reward your expert insight.
  • Innovation Impact: Contribute to pioneering AI research with a YC-backed startup dedicated to advanced technology solutions.
  • Flexible Engagement: Work remotely with adaptable hours, allowing you to balance your professional expertise with other commitments.

Where you can work

This role is 100% remote: you can work from any country except Andorra, Afghanistan, Angola, Argentina, Azerbaijan, Barbados, Bangladesh, Burkina Faso, Burundi, Bolivia, Brazil, Belarus, Belize, DR Congo, Central African Republic, Congo (Republic), Chile, Cameroon, China, Colombia, Cuba, Cape Verde, Djibouti, Dominica, Dominican Republic, Egypt, Eritrea, Fiji, Micronesia, Gabon, Grenada, Georgia, Ghana, Gibraltar, Guinea, Equatorial Guinea, Guinea-Bissau, Honduras, Haiti, Iraq, Iran, Japan, Kyrgyzstan, Cambodia, Kiribati, Comoros, St. Kitts and Nevis, North Korea, South Korea, Kazakhstan, Laos, Lebanon, Liberia, Lesotho, Libya, Monaco, Montenegro, Marshall Islands, Mali, Myanmar, Macau, Mauritania, Maldives, Malawi, Niger, Nigeria, Nicaragua, Nepal, Nauru, Papua New Guinea, Palestine, Palau, Paraguay, Russia, Saudi Arabia, Solomon Islands, Seychelles, Sudan, Sierra Leone, San Marino, Somalia, Suriname, South Sudan, São Tomé and Príncipe, Syria, Eswatini, Chad, Togo, Tajikistan, Timor-Leste, Turkmenistan, Tonga, Tuvalu, Ukraine, Uganda, Uruguay, Vatican City, St. Vincent and Grenadines, Venezuela, Vanuatu, Samoa, Yemen, Zambia and Zimbabwe.

From AfterQuery's job posting, checked 14 Nov 2026.

About AfterQuery

Expert reasoning and rubrics for frontier labs, weekly Stripe pay.

How it pays: Every Friday through Stripe, to a bank account in your own name, for the previous week's approved work; AfterQuery takes no fees, cards are not supported, and Stripe holds your first payout for 7 days (its Payments help page, read 13 Nov 2026).

When it pays: Every Friday, through Stripe, for the week before. How often others pay

Interview: on some roles or projects (AfterQuery pool skills assessment (plus an interview step)). Platforms with no interview

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