598 open roles accept applicants living in the United States, based on the countries each platform publishes. The work is remote, and pay is published by the platform, usually in US dollars.
Pay figures cover the 546 open jobs that publish an hourly rate in USD. They are published rates, not a guarantee of income. Last checked on October 8, 2026.
Economics research job for a leading AI laboratory. You will bring your expertise in economics to a research project requiring deep knowledge of economic models and research methodology. This position is for seasoned economists with solid institutional experience.
Posted September 28, 2026
You will work on research physics problems in optics, atomic physics or molecular physics, by creating, solving, reviewing or auditing challenges designed to evaluate the reasoning capabilities of frontier AI models. This role is for physicists who have published on specific phenomena in one of seven areas of specialization and are capable of producing research-quality work with detailed written reasoning.
Posted September 25, 2026
You will work on a research benchmark in condensed matter physics, by creating, solving, revising, or auditing advanced physics problems designed to test AI models. This role requires published expertise in a specific area of condensed matter and the ability to present your reasoning in a complete and verifiable manner for review by a peer specialist.
Posted September 25, 2026
This role offers physicists specialized in fluid dynamics the opportunity to contribute to CritPt, a research benchmark testing the physical reasoning capabilities of frontier AI models. You will create, solve, or review research problems on linear stability of buoyancy-driven convection, in Rayleigh-Bénard or porous media, depending on your publication domain.
Posted September 25, 2026
You will contribute to the creation and evaluation of research physics challenges for an AI benchmark designed to test the reasoning capabilities of frontier models in gravitation, cosmology, and high-energy astrophysics. Depending on your publication profile, you will create problems, solve them, examine others, or audit them, producing research-quality work with rigorous written reasoning. This role is intended for PhD holders in theoretical physics who have published specifically on twisted gravity, axionic inflation, or multimessenger astrophysics.
Posted September 25, 2026
This role involves working on fundamental physics problems at research level for the CritPt benchmark, which evaluates the reasoning capabilities of AI models in advanced theoretical physics. Based on your profile and publications, you will create problems, solve them, review work or verify it in your area of specialization. This role is intended for high energy physicists who have published in one of seven specified domains and who master the relevant methods.
Posted September 25, 2026
This role invites mathematical physicists to contribute to a research benchmark in fundamental physics, designed to assess whether cutting-edge AI models can solve real research problems in physics. You will work on specialized challenges in one of four proposed domains (special functions, integrable systems, permutation combinatorics, conformal geometry), creating, solving, reviewing, or validating problems at the level of academic research.
Posted September 25, 2026
This role involves contributing to the creation and evaluation of research-level quantum physics problems for a benchmark designed to test the reasoning capabilities of state-of-the-art AI models. Depending on your area of specialization and publication record, you may create problems, solve them, review the work of others, or audit it. This work requires solid training in quantum information physics and verifiable publication in one of the twelve specified research domains.
Posted September 25, 2026
This role involves contributing to the creation and evaluation of research-level physics challenges for a benchmark designed to test the physical reasoning capabilities of AI models. The work involves creating problems, solving them, examining solutions or auditing them in your area of specialization in statistical physics. This role is intended for PhDs in statistical physics with published experience on specific phenomena and who master the corresponding mathematical and computational methods.
Posted September 25, 2026
This role involves contributing to a research benchmark in physics aimed at evaluating the reasoning capabilities of AI models on authentic research problems. Depending on your area of specialization and profile, you will develop problems, solve them, review the work of other researchers or audit it, with an emphasis on scientific rigor and clarity of writing.
Posted September 25, 2026
This role is designed for expert and experienced biologists to evaluate and rate responses generated by AI models in the field of biology. You will be tasked with writing research problems, evaluating experimental protocols, and identifying gaps between theoretically correct answers and their practical viability in the laboratory.
Posted September 15, 2026
Mercor is looking for experienced biotechnologists to evaluate and rate the work of AI models on biotechnology research and development tasks. You will provide expert evaluations on scientific validity, development feasibility, and regulatory compliance of proposals generated by AI, drawing on your hands-on experience with completed biotechnology projects.
Posted September 15, 2026
Join a network of chemistry experts to evaluate and train the most advanced AI models. You will contribute to improving AI systems by assessing the quality of their chemical proposals, explaining your technical expertise, and flagging discrepancies between theory and practice.
Posted September 15, 2026
Mercor is looking for life, physical and social science researchers to evaluate and rate work generated by AI models. Your role will involve designing research problems, rating the analysis produced by AI systems, and identifying methodological gaps, using your scientific expertise to establish evaluation criteria.
Posted September 15, 2026
This role involves evaluating and rating responses generated by AI models in materials science, using your expertise to judge the quality of their reasoning. You will be asked to formulate materials problems based on your previous work, assess the consistency between microstructure and properties, and identify cases where proposed materials fail under real-world conditions. This role is aimed at materials scientists with solid research or industrial experience and capable of clearly communicating their expertise.
Posted September 15, 2026
You will be asked to evaluate and judge the mathematical outputs of AI models in development, verifying the rigor of proofs, the validity of reasoning, and the correctness of proposed solutions. This role is intended for experienced mathematicians capable of providing detailed technical feedback on work generated by AI, and it operates on the basis of a candidate database activated according to project needs.
Posted September 15, 2026
Mercor is recruiting physicists to evaluate and rate responses generated by advanced AI models. You will write physics problems, verify model derivations and reasoning, and provide critical expertise based on your research experience.
Posted September 15, 2026
You will write test prompts to evaluate whether AI models can distinguish legitimate chemical requests from potentially dangerous misuses. As an analytical chemist, you will develop scenarios along the dual-use line, assess model responses against a defined policy, and document your analyses with accessible technical reasoning.
Posted September 14, 2026
You will work on evaluating frontier AI models to test their ability to distinguish legitimate chemical requests from malicious uses. As a chemical defense researcher, you will write targeted questions, evaluate model responses against a defined policy framework, and document your judgments with rigorous technical justifications. This role requires deep expertise in chemical defense to draw the line between routine professional questions and those with high potential for misuse.
Posted September 14, 2026
You will contribute to evaluating AI models for radiological safety by writing test requests at different difficulty levels and judging whether the model's responses meet safety standards. This role requires recognized expertise in radiological crisis management, capable of distinguishing legitimate professional questions from potentially dangerous requests.
Posted September 14, 2026
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FAQ
598 AI training jobs in the United States are open on SideHustler today. 45 were posted in the last 7 days. Listings are rechecked against the official postings: the latest check on this list was on October 8, 2026.
Among the 546 open roles that publish an hourly rate in USD, pay runs from $6 to $400 per hour, with a median of $70. These are the rates the platforms publish, not a guarantee of income or hours.
Mercor (284), micro1 (276), Mindrift (15), Terac (11), Handshake AI (7), xAI (4) and Turing (1). You apply on the platform itself, which handles screening, contracts and payment.
The most requested areas of expertise on these listings are AI Evaluation, Data Annotation, Content Annotation, Multilingual Expertise, Language Evaluation. Each listing states its own requirements.
Each job listed here comes from a posting where the platform publishes the countries it accepts, and United States is among them. 616 other open jobs do not publish their eligible countries: they are in the full catalog but not on this page.
Apply now opens the official posting on the platform, where you complete the application. You need no account on SideHustler. To see which roles fit your background first, add your resume and every open job is scored against your profile.
