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.
This role involves writing and reviewing academic assessment questions in philosophy for an AI research initiative. You will create original and rigorous multiple-choice questions in your area of expertise, verify them for accuracy and clarity, and contribute to establishing quality benchmarks for advancing AI capabilities.
Posted August 13, 2026
You will be responsible for writing and reviewing rigorous assessment questions in applied physics for an artificial intelligence research project. This role involves creating or verifying multiple-choice questions in specialized fields (quantum physics, plasma, photonics, etc.), assessing their academic quality, and establishing benchmarks of excellence for training AI models.
Posted August 13, 2026
This role invites a preclinical research expert to advise an AI and foundation models platform applied to drug discovery. You will bring your experience in developing ADC (antibody-drug conjugate) or bispecific molecules to guide AI tool design, by annotating scientific data and evaluating key development decisions. The role merges your laboratory expertise with a growing understanding of how scientific data drives next-generation AI models.
Posted August 12, 2026
This ongoing project hires advanced STEM experts to write graduate-level and PhD-level problems with exact, verifiable answers, helping AI systems improve at rigorous scientific reasoning. Participants create original problems in their own specialty, write detailed step-by-step solutions, and sometimes review AI-generated answers to find reasoning errors. It is aimed at PhD candidates and holders, postdoctoral researchers, and faculty in biology, chemistry, physics, mathematics, and selected engineering fields.
Posted August 6, 2026
Mercor is seeking Atomic Layer Deposition (ALD) experts and thin film process specialists to support a cutting-edge AI research laboratory developing models for semiconductors and physical sciences. You will contribute your specialized expertise to generate, structure, and evaluate the scientific data used for training and evaluating these advanced models.
Posted August 1, 2026
Mercor is recruiting scientists and engineers specialized in inorganic synthesis, materials characterization, superconductors and semiconductors to support a cutting-edge AI research laboratory. You will contribute to generating, structuring and evaluating high-quality scientific data intended for model training, by applying your deep expertise to complex problems in materials physics.
Posted August 1, 2026
You are invited to participate in a study led by Stanford and Bocconi on the impact of smartphones and digital tools on the well-being of children and families. The role consists of completing online questionnaires and SMS surveys, and installing a parental control application on your child's phone for approximately eight weeks.
Posted July 28, 2026
One-off job consisting of designing difficult problems in your area of expertise to contribute to the training of cutting-edge language models. You will leverage your scientific or technical specialization to create high-quality data intended for artificial intelligence innovation. The sought profile is a PhD holder or advanced degree holder with recognized expertise in STEM.
Posted July 24, 2026
Handshake AI is seeking energy professionals with hands-on expertise to evaluate AI-generated content and create training data for renewable energy and broader energy industry workflows. Contributors will leverage their professional experience in areas such as renewable energy modeling, microgrid design, and asset performance analysis to provide feedback that improves AI understanding of energy engineering practices.
Posted April 25, 2026
Join a network of talents specialized in biology to collaborate with leading AI laboratories on model training and evaluation projects. You will contribute to the advancement of AI research by bringing your expertise in molecular and cellular biology, according to your availability and interests.
Posted February 27, 2026
Join a network of chemistry experts to collaborate with leading laboratories and AI companies. You will contribute to the training and evaluation of AI models, create tasks based on real-world scenarios, and provide specialized feedback to advance AI research. The roles proposed vary in scope and duration, with typical commitments of 15 to 30 hours per week.
Posted February 27, 2026
Join a network of mathematician experts to contribute to the training and evaluation of AI models. You will be connected with AI laboratories and companies seeking your expertise in applied mathematics, based on available projects and your availability. This membership in the talent network opens access to varied roles combining task creation, technical feedback, and AI research.
Posted February 27, 2026
Join a network of physical science experts to collaborate with leading AI laboratories. You will be engaged for specific roles involving training and evaluating AI models, creating tasks based on real-world scenarios, and providing expert feedback to advance AI research. Engagements vary, typically between 15 and 30 hours per week.
Posted February 27, 2026
Join a network of expert physicists to collaborate with leading AI laboratories on flexible assignments. You will contribute to the training and evaluation of AI models, design tasks based on real-world scenarios, and provide specialized feedback to advance AI research. This flexible approach allows you to work according to your availability, with typical commitments of 15 to 30 hours per week.
Posted February 27, 2026
Philosophy PhDs evaluate AI-generated content and provide feedback to improve AI's understanding of philosophy reasoning and theoretical analysis. This is flexible, remote, hourly contract work that can be combined with research, teaching, or other employment.
Posted March 10, 2025
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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.
