Mercor
Expert projects for AI labs across software, finance, law, medicine, science and languages.
Pay figures cover the 291 open jobs that publish an hourly rate in USD. They are published rates, not a guarantee of income. Last checked on October 8, 2026.
You apply on work.mercor.com: create a profile, complete a skills assessment, then get matched to projects that fit your background.
Official site: mercor.com. SideHustler is independent of Mercor.
You are a licensed pharmacist or experienced pharmacy technician in the United States and are invited to evaluate audio recordings containing spoken medication names. Your job is to verify the accuracy and clarity of the pronunciation of generic and brand medication names according to a structured evaluation grid, applying consistent scoring criteria across all tasks.
Posted September 30, 2026
Mercor is recruiting board-certified urologists and medical oncologists in the United States to participate in a paid research study. The role consists of completing an online questionnaire of approximately 30 minutes on therapeutic decision-making in patients with metastatic prostate cancer, particularly concerning the choice of systemic treatments.
Posted September 29, 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
Mercor is seeking experienced electrical and hardware engineers to support an advanced research initiative in engineering and AI. The role consists of evaluating hardware designs, analyzing complex technical decisions, and providing feedback based on deep practical experience in hardware development in production environments.
Posted September 26, 2026
This job consists of identifying companies holding relevant operational data in the healthcare sector and developing data licensing partnerships. The role requires you to contact founders and leaders, conduct discovery calls, present partnership opportunities, and follow up with prospects until agreement signature.
Posted September 26, 2026
Mercor is seeking experienced mechanical engineers to support an advanced engineering and AI research initiative. The role involves evaluating mechanical designs, technical analyses, and testing methodologies for complex physical systems, bringing sound technical judgment based on field experience. This position is suited for professionals who have designed, analyzed, or tested mechanical or electromechanical products in production environments.
Posted September 26, 2026
Mercor is recruiting experienced software and firmware engineers to support an AI research initiative with a major technology organization. The job involves evaluating and improving complex engineering solutions involving embedded systems, firmware, FPGA/RTL designs, flight software and hardware test workflows, drawing on hands-on experience with physical products and real-world debugging.
Posted September 26, 2026
Mercor is recruiting systems and integration engineering experts to support an advanced research initiative in engineering and AI. Your role is to apply hands-on expertise in systems integration, testing, reliability and failure analysis on complex hardware products in production environments. This position is designed for engineers who have worked directly on sophisticated physical products and can bring solid technical judgment to integration, verification, validation and troubleshooting challenges.
Posted September 26, 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
Mercor is recruiting experienced professionals in securities, commodities, and financial services sales to evaluate and improve cutting-edge AI systems. You will analyze content and workflows generated by AI in your field of expertise, drawing on your practical experience with financial markets and client relationships.
Posted September 24, 2026
This remote opening invites native English speakers with a regional accent to record voice samples that will train and evaluate text-to-speech systems for a conversational customer service AI agent. It suits both experienced voice professionals and newcomers who have a clear, expressive voice and a good home recording setup.
Posted September 24, 2026
Mercor is recruiting operational cybersecurity experts to participate in video research interviews designed to create a benchmark of AI agents in enterprise defense. This short, well-paid job involves sharing your practical experience on tools, decision-making processes, and the potential impact of AI in your field.
Posted September 23, 2026
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FAQ
305 Mercor jobs are open on SideHustler today. 10 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 291 open roles that publish an hourly rate in USD, pay runs from $10 to $380 per hour, with a median of $75. These are the rates the platforms publish, not a guarantee of income or hours.
The most requested areas of expertise on these listings are AI Evaluation, Red Teaming, Adversarial Testing, Multilingual Expertise, Vulnerability Assessment. Each listing states its own requirements.
You apply on work.mercor.com: create a profile, complete a skills assessment, then get matched to projects that fit your background.
It depends on the job. 301 of the 305 open Mercor jobs publish the countries they accept, and each listing shows them. The others do not publish a country list.
No. SideHustler is independent of Mercor. We list its public postings and send you to the official one to apply. When an Apply link is a referral link, it is marked as such.
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.