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About Mercor: OncologistCompany: MercorCompensation: $350-$450 per hourCommitment: Hourly contractLocation: RemoteReferral Reward: Earn up to $1,800 per successful referral.Referral Link: https://t.mercor.com/jYKjWLocation requirementsUnited States1. Role Overview Mercor is collaborating with a leading AI research lab on a project to advance frontier medical problem-solving in oncology. We are looking for oncologists based in the United States with hands-on clinical practice experience. The goal of this project is to identify gaps in AI model reasoning around real-world oncology cases, particularly in clinical trial design, patient eligibility, and treatment decision-making, and to support the training of cutting-edge AI models. This is a short-term, high-impact, remote opportunity for oncologists excited about applying their clinical expertise to frontier AI research, with the possibility of extension based on performance. 2. Key Responsibilities Create realistic, nuanced oncology tasks and scenarios, particularly around clinical trials, that expose weaknesses in frontier AI model responses Evaluate AI-generated clinical reasoning for accuracy, completeness, and alignment with current standard-of-care guidelines Identify flawed logic, missed diagnoses, incomplete treatment rationale, or unsafe recommendations in model outputs Provide clear, well-structured expert responses and chain-of-thought reasoning that reflect real clinical decision-making 3. Qualifications You are a strong fit for this project if you meet most or all of the following: MD or DO who is currently pursuing or has completed a fellowship in medical oncology or hematology/oncology Currently practicing in the United States and seeing oncology patients, or has done so within the past three years (3+ years of post-residency experience strongly preferred) Ability to articulate clinical reasoning clearly and precisely in written form We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request.Contract and Payment Terms You will be engaged as an independent contractor. This is a fully remote role that can be completed on your own schedule. Projects can be extended, shortened, or concluded early depending on needs and performance. Your work at Mercor will not involve access to confidential or proprietary information from any employer, client, or institution. Payments are weekly on Stripe or Wise based on services rendered. Please note: We are unable to support H1-B or STEM OPT candidates at this time. About Mercor Mercor partners with leading AI labs and enterprises to train frontier models using human expertise. You will work on projects that focus on training and enhancing AI systems. You will be paid competitively, collaborate with leading researchers, and help shape the next generation of AI systems in your area of expertise.

About Mercor: Sales and Marketing ExpertCompany: MercorCompensation: $60-$70 per hourCommitment: Hourly contractLocation: RemoteReferral Reward: Earn up to $280 per successful referral.Referral Link: https://t.mercor.com/gt1BaRole Overview Mercor is seeking senior sales and marketing professionals to build evaluation tasks for AI systems operating in Fortune 500 go-to-market contexts. The workflows are calibrated to the deal sizes, stakeholder complexity, and brand stakes of Fortune 500 and large public companies. Contributors design enterprise GTM scenarios, draft reference outputs, and write rubrics that capture how senior F500 operators think. Key Responsibilities Construct enterprise sales scenarios spanning $1M+ ACV deals, multi-stakeholder buying committees, and complex procurement cycles at F500 accounts. Build marketing tasks across F500 brand strategy, enterprise ABM, demand generation at scale, lifecycle, and category positioning. Develop RevOps and GTM scenarios involving Salesforce Enterprise, Marketo, 6sense, Gong, and Outreach in F500 stacks. Apply enterprise sales methodologies (MEDDIC, Challenger, Force Management) and produce reference deal strategies, account plans, and executive narratives. Author rubrics that distinguish authentic enterprise GTM judgment from generic playbook recall. Ideal Qualifications 5+ years selling, marketing, or running RevOps at a Fortune 500 enterprise software vendor (Salesforce, Oracle, ServiceNow, SAP, Workday, Microsoft, AWS) or inside an F500 brand or marketing organization (P&G, JPMorgan, Unilever, Microsoft, PepsiCo). Direct ownership of F500 accounts, F500 brand campaigns, or F500 demand programs. Fluency in enterprise GTM tooling and methodologies, plus understanding of how F500 budgets, procurement, and legal review actually work. Prior rubric, sales-enablement curriculum, or training-content authorship is a plus. We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request.Contract and Payment Terms You will be engaged as an independent contractor. This is a fully remote role that can be completed on your own schedule. Projects can be extended, shortened, or concluded early depending on needs and performance. Your work at Mercor will not involve access to confidential or proprietary information from any employer, client, or institution. Payments are weekly on Stripe or Wise based on services rendered. Please note: We are unable to support H1-B or STEM OPT candidates at this time. About Mercor Mercor partners with leading AI labs and enterprises to train frontier models using human expertise. You will work on projects that focus on training and enhancing AI systems. You will be paid competitively, collaborate with leading researchers, and help shape the next generation of AI systems in your area of expertise.

About Mercor: Quality AnalystCompany: MercorCompensation: $20-$50 per hourCommitment: Hourly contractLocation: RemoteReferral Reward: Earn up to $200 per successful referral.Referral Link: https://t.mercor.com/mruIXAbout the Role We’re hiring Quality Analysts on a contract basis to help ensure the accuracy, consistency, and reliability of data. You’ll play a key role in reviewing outputs, flagging issues, and helping us maintain a high bar for quality across projects. What You’ll Do Review work product against defined quality standards, rubrics, and guidelines Identify errors, inconsistencies, and gaps, and document them clearly Provide structured, actionable feedback to contributors and stakeholders Track quality metrics and surface recurring issues or trends Help refine and improve quality processes, checklists, and evaluation criteria Collaborate asynchronously with a distributed team across time zones What We’re Looking For Proven experience in quality assurance, quality control, or a similar review-focused role Strong attention to detail and a sharp eye for errors others miss Excellent written communication and the ability to give clear, constructive feedback Comfort with ambiguity and evolving standards in a fast-moving environment Reliable internet connection and a quiet, focused workspace Nice to Have Familiarity with data annotation, content review, or evaluation workflows Experience working with distributed or remote teams Background in a domain relevant to our work (e.g., technical, editorial, or analytical) We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request.Contract and Payment Terms You will be engaged as an independent contractor. This is a fully remote role that can be completed on your own schedule. Projects can be extended, shortened, or concluded early depending on needs and performance. Your work at Mercor will not involve access to confidential or proprietary information from any employer, client, or institution. Payments are weekly on Stripe or Wise based on services rendered. Please note: We are unable to support H1-B or STEM OPT candidates at this time. About Mercor Mercor partners with leading AI labs and enterprises to train frontier models using human expertise. You will work on projects that focus on training and enhancing AI systems. You will be paid competitively, collaborate with leading researchers, and help shape the next generation of AI systems in your area of expertise.

About Mercor: B2B Sales Expert (3+ YOE, US Only)Company: MercorCompensation: $50-$70 per hourCommitment: Hourly contractLocation: RemoteReferral Reward: Earn up to $280 per successful referral.Referral Link: https://t.mercor.com/GbYoOWe’re hiring an Enterprise Account Executive and B2B Sales Leader to create real business value for Mercor. This is a quota-carrying IC role owning the full sales cycle — prospecting, executive engagement, technical scoping, negotiation, and close. Note — this opportunity requires an estimated 40 hours of work every week. What You’ll Do Generate and qualify pipeline through outbound, executive relationships, events, and partnerships. Run consultative cycles with senior operators and technical leaders; build the business case that gets budget approved. Partner with Engineers to scope deployments, run POCs with clear success metrics, and negotiate multi-year agreements to signature. Expand accounts beyond the first deal, keep clean CRM hygiene, and forecast accurately. Feed market signal back to product and GTM leadership. What We’re Looking For 3+ years of enterprise B2B sales experience, ideally selling technical or platform products to the Fortune 500. Track record of consistently hitting quota and closing complex, multi-stakeholder deals ($500K+ ACV). Comfort selling to both C-suite and technical buyers; able to translate ambiguous business problems into a concrete value thesis. Strong discovery, commercial negotiation, and pipeline-generation skills. Thrives in a fast-moving, high-autonomy startup environment. Nice to Have Experience selling AI/ML, data, or professional-services solutions. History as an early or founding AE building a territory from scratch. We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request.Contract and Payment Terms You will be engaged as an independent contractor. This is a fully remote role that can be completed on your own schedule. Projects can be extended, shortened, or concluded early depending on needs and performance. Your work at Mercor will not involve access to confidential or proprietary information from any employer, client, or institution. Payments are weekly on Stripe or Wise based on services rendered. Please note: We are unable to support H1-B or STEM OPT candidates at this time. About Mercor Mercor partners with leading AI labs and enterprises to train frontier models using human expertise. You will work on projects that focus on training and enhancing AI systems. You will be paid competitively, collaborate with leading researchers, and help shape the next generation of AI systems in your area of expertise.

About Mercor: Radiation Safety OfficerCompany: MercorCompensation: $65-$75 per taskCommitment: ContractLocation: RemoteReferral Reward: Earn up to $250 per successful referral.Referral Link: https://t.mercor.com/tcmpZAbout the work Mercor is assembling a panel of radiological safety experts to red-team frontier AI models. The goal is to test whether a model can correctly judge the misuse potential of a technical request — answering legitimate questions fully while refusing genuinely dangerous ones. You will: Write challenging single-turn prompts in your domain, labelled across three levels: benign, dual-use, and adversarial. Evaluate the responses that come back against a defined policy standard, and judge whether each was handled correctly. Write the reference answer — what a correct response looks like, and the technical reasoning for why. This domain lives on the dual-use line more than most. The same isotope underpins cancer therapy and industrial radiography; the same shielding calculation protects a worker and conceals a source. A model that refuses a routine dose question is failing as badly as one that answers a question it shouldn't. Drawing that line reliably is why we need practitioners rather than generalists. Background we're looking for We're looking for people who have held the licence, not just worked under it — the person of record for acquisition, inventory, transfer and disposal. What matters most is being able to tell a routine professional question from one that's fishing for something else: the same shielding calculation protects a worker and conceals a source. You will be writing prompts that sit exactly on that line, then judging whether the model held it. Examples of relevant backgrounds (ideally with red-teaming experience): Named RSO on a broad-scope licence — programme management, source inventory, regulatory compliance RSO or deputy RSO at a university, hospital or research institute running a mixed radionuclide and sealed-source programme Industrial or irradiator RSO — Category 1 and 2 sealed sources, radiography, gauging, sterilisation Licensing and compliance specialist — NRC, Agreement State or national regulator submissions, amendments and inspections Radiation protection manager accountable for ALARA, audits, training and incident reporting across multiple authorised users What this role demands beyond technical depth This is writing-intensive work. Every judgment you make needs a written rationale that a non-specialist can follow. Prior technical writing, published research, or expert witness experience is a strong signal; please include a sample or link. You will also be reading and writing about misuse scenarios in your field for sustained periods. We brief experts on this in advance, and you can pause or step away at any point without penalty. Before you apply Your work here will not involve, and must not draw on, classified or export-controlled information, or anything covered by an NDA or prepublication review obligation. If you hold such obligations you may still be a good fit; tell us in your application and we will scope the work accordingly. We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request.