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.
This role involves testing conversational AI models as an AI safety expert by generating adversarial training data to identify vulnerabilities. You will produce reports and structured datasets that enable clients to improve the robustness and security of their AI systems. The ideal profile masters critical content analysis, methodological rigor, and technical communication.
Posted June 4, 2026
You join a red teaming team to test and secure conversational AI models. Your job consists of generating adversarial inputs, identifying vulnerabilities (biases, disinformation, harmful behaviors) and producing high-quality annotated data that makes AI safer. This role requires fluent mastery of English and Gujarati as well as refined judgment on language and content.
Posted June 4, 2026
This role involves evaluating the safety of conversational AI models by testing them with adversarial inputs and sophisticated attack techniques. You will generate high-quality annotation data, document discovered vulnerabilities, and contribute to strengthening the robustness of AI systems. This job is suited for someone capable of carefully analyzing AI responses, detecting biases and subtle flaws, and communicating findings in a structured manner.
Posted June 4, 2026
You join a specialized AI safety team to test conversational language models by exposing their flaws and vulnerabilities through adversarial attacks. The job consists of generating high-quality training data through error annotation, risk classification, and documentation of reproducible attacks. This role is for rigorous language experts with critical judgment about the quality and accuracy of AI responses.
Posted June 4, 2026
Join a red teaming team dedicated to AI safety: you will probe conversational models with adversarial inputs to discover vulnerabilities and generate robust test data. This role requires native mastery of English and Odia, as well as fine judgment to assess the relevance, accuracy, and appropriateness of AI responses when facing sensitive topics. You will document your findings in a reproducible manner so that clients can strengthen the security of their systems.
Posted June 4, 2026
Join a red teaming team specialized in identifying vulnerabilities of conversational AI models. You will generate high-quality training data by testing AI systems with adversarial inputs, documenting flaws, and producing reproducible reports that clients can use to strengthen the security of their models.
Posted June 4, 2026
This role involves testing and evaluating the robustness of conversational AI models by subjecting them to adversarial attacks, bypasses, and malicious use cases. You will generate high-quality annotation data to identify vulnerabilities, biases, and systemic risks, following established taxonomies and benchmarks. This role is suited for AI safety experts with advanced proficiency in both English and Tamil.
Posted June 4, 2026
You join an adversarial testing team tasked with detecting vulnerabilities in conversational AI models by generating high-quality human-generated data. Your job consists of exploring security flaws, biases and harmful behaviors through malicious inputs, then documenting systemic risks so that clients can correct them. You must be bilingual in English and Telugu and demonstrate rigor in analyzing AI responses on sensitive topics.
Posted June 4, 2026
This role involves testing conversational AI models as a safety expert by generating adversarial attacks, security bypasses, and misuse scenarios to identify vulnerabilities. You will produce high-quality annotation data and reproducible reports that help clients strengthen the robustness of their AI systems. The ideal profile must possess sound judgment about language and content, be rigorous in identifying subtle anomalies, and capable of clearly communicating observations.
Posted June 3, 2026
This role involves editing and validating French audio recordings for speech synthesis systems and conversational AI. You will prepare high-quality voice data corpora by performing audio cleaning, technical compliance checks, and linguistic evaluations. The ideal profile is an audio engineer with native or near-native French proficiency, with solid experience in voice editing and audio quality assurance.
Posted June 1, 2026
This role consists of recording high-quality voice samples in Canadian French and neutral French for the training and evaluation of next-generation voice synthesis systems. You must be a native Canadian French speaker based in Canada, have a clear and expressive voice, and agree to voice cloning of your recordings for an internal AI agent. An approximately 4-hour recording session is planned, with the possibility of a second session if needed.
Posted June 1, 2026
This job involves recording high-quality voice samples in German for training and evaluating next-generation speech synthesis systems. Your voice will be used exclusively for an AI customer service agent and may be cloned for this purpose. The role is aimed at native German speakers based in Germany, with a natural and expressive voice, and no prior professional experience is required.
Posted June 1, 2026
This role consists of recording high-quality voice samples for training next-generation speech synthesis systems. You must be a voice actor based in Northern UK with an authentic Northern English accent and a natural, expressive voice, working in a professional or semi-professional recording environment.
Posted June 1, 2026
This opening seeks Spanish-speaking voice talent to record scripts that will help train a text-to-speech system for a customer service AI agent. The work is one recording session of about four hours, with a second session possible but not guaranteed, and the recordings are restricted to that single internal use. It suits both seasoned voice professionals and newcomers who have a clear voice and a solid recording setup.
Posted June 1, 2026
Mercor is seeking voice actors based in Mexico to record native Mexican Spanish voice samples for training cutting-edge speech synthesis systems. High-quality recordings will be used exclusively for a customer service AI agent and will not be reused elsewhere. Voice acting or narration experience is appreciated but not required.
Posted June 1, 2026
This job involves recording Castilian Spanish voice samples used to train and test text-to-speech systems that aim for natural, expressive speech. It suits native Peninsular Spanish speakers, whether experienced voice professionals or newcomers with a clear voice and a good recording setup. The work is a single session of about four hours, with a possible second session later.
Posted June 1, 2026
Mercor is recruiting clinicians working in ambulatory care, emergency services, or community settings to participate in a paid research survey lasting 30 minutes. The study aims to explore clinical workflows, patient coordination, and operational challenges to inform the development of AI tools designed to support frontline healthcare professionals. Participants will share their clinical expertise to improve healthcare technology systems.
Posted May 23, 2026
This role involves providing high-quality voice recordings for training next-generation voice synthesis systems. You will perform various scripts (conversational, narrative, educational) in a recording session of approximately 4 hours, with the possibility of a second session later. We are looking for a native American English speaker with a clear and expressive voice who accepts voice cloning for the needs of an internal AI agent.
Posted March 20, 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 business intelligence experts to collaborate with leading AI labs on varied projects. You will contribute to training and evaluating AI models, creating tasks based on real-world scenarios, and providing expert feedback to advance AI research. This program is aimed at experienced professionals in data analysis, visualization, and modeling, available for remote work of 15 to 30 hours per week.
Posted February 27, 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.