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Mercor
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  • Mathematical Scientist  

    - London
    About the job Mercor connects elite creative and technical talent with... Read More
    About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey. Position: Mathematics AI Evaluator
    Type: Full-time or Part-time Contract Work
    Compensation: $73/hour
    Location: Geography restricted to USA, UK, Canada, EU Role Responsibilities Write and refine prompts to guide model behavior in mathematical contexts. Evaluate LLM-generated responses to mathematics-related queries for correctness, rigor, and logical coherence. Verify mathematical claims, derivations, and proofs using domain expertise. Conduct fact-checking using authoritative public sources and domain knowledge. Annotate model responses by identifying strengths, areas of improvement, and factual or conceptual inaccuracies. Assess clarity, structure, and appropriateness of explanations for different audiences. Qualifications Must-Have PhD in Mathematics or a closely related field, or demonstrated exceptional achievement in mathematics. Strong experience across core areas of mathematics: Algebra & Number Theory, Calculus & Analysis, Geometry & Topology, Discrete Mathematics, Logic & Computation, Probability & Statistics. Significant experience using large language models (LLMs). Excellent writing skills and ability to explain complex mathematical concepts. Strong attention to detail and ability to notice subtle issues. Experience reviewing or editing technical or academic writing. Preferred Prior experience with RLHF, model evaluation, or data annotation work. Experience teaching, mentoring, or explaining mathematical concepts to non-expert audiences. Familiarity with evaluation rubrics, benchmarks, or structured review frameworks. Application Process (Takes 20–30 mins to complete) Upload resume AI interview based on your resume Submit form Resources & Support For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome/welcome For any help or support, reach out to: support@mercor.com PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity. Read Less
  • Software Workflow Specialist Remote  

    - London
    About the job Mercor connects elite creative and technical talent with... Read More
    About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey. Position: Data Collection Specialist
    Type: Contract
    Compensation: $65/hour
    Location: Remote
    Commitment: 20+ hours/week Role Responsibilities Record screen sessions demonstrating specific tasks with clear verbal narration explaining each step. Annotate screenshots of professional software by drawing precise bounding boxes around relevant UI elements. Follow provided staging instructions to set up specific UI states prior to recording. Use a custom capture tool to record workflows accurately and consistently. Adhere closely to task guidelines to ensure data quality and usability. Work independently and meet tight deadlines while maintaining high quality. Qualifications Must-Have Strong familiarity with professional software tools including Visual Studio Code, Android Studio, Quartus, and VMware. Detail-oriented and capable of following precise instructions. Comfortable working independently and meeting tight deadlines. Access to a physical Mac and ability to create a fresh macOS user profile if required. Fluent English language skills. Preferred Prior experience with data collection, annotation, or QA work. Experience recording or documenting workflows. Comfort working with new tools and staged environments. Application Process (Takes 20–30 mins to complete) Upload resume AI interview based on your resume Submit form Resources & Support For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome/welcome For any help or support, reach out to: support@mercor.com PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity. Read Less
  • Python Engineer  

    - London
    ## About the job **Mercor** connects elite creative and technical tale... Read More
    ## About the job **Mercor** connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include **Benchmark**, **General Catalyst**, **Peter Thiel**, **Adam D'Angelo**, **Larry Summers**, and **Jack Dorsey**. **Position:** Software Engineer **Type:** **Contract** **Compensation:** **$100/hour** **Location:** **Remote** **Duration:** **1 month** **Commitment:** **20 hours/week** ## Role Responsibilities - Develop and maintain complex, production-grade **Python** systems for real-world environments. - Design modular, testable codebases using modern **Python** tooling and best practices like **FastAPI**, **Pydantic**, and unit/integration testing frameworks. - Optimize performance through profiling and memory optimization in **Python**. - Work **independently and asynchronously** to meet deadlines while improving **AI model performance**. - Collaborate with **AI research teams** to enhance training data quality and model outputs. ## Qualifications ### Must-Have - Proven track record of building and maintaining complex **Python** systems. - Deep understanding of **Python** language fundamentals, including decorators, generators, async/await, and context managers. - Experience designing modular, testable codebases with modern **Python** tooling. ## Interview Process - **90 mins** human interview centered on **Python**. - Feedback within two weeks. ## Compensation & Legal - **Hourly contractor** - **$100/hour** based on experience ## Application Process (Takes 20–30 mins to complete) - Upload resume - AI interview based on your resume - Submit form ## Resources & Support - For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome/welcome - For any help or support, reach out to: support@mercor.com *PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.* Read Less
  • Software Engineer – Software Development  

    - London
    About the job Mercor connects elite creative and technical talent with... Read More
    About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey. Position: Data Collection Specialist
    Type: Contract
    Compensation: $65/hour
    Location: Remote
    Commitment: 20+ hours/week Role Responsibilities Record screen sessions demonstrating specific tasks with clear verbal narration explaining each step. Annotate screenshots of professional software by drawing precise bounding boxes around relevant UI elements. Follow provided staging instructions to set up specific UI states prior to recording. Use a custom capture tool to record workflows accurately and consistently. Adhere closely to task guidelines to ensure data quality and usability. Work independently and meet tight deadlines while maintaining high quality. Qualifications Must-Have Strong familiarity with professional software tools including Visual Studio Code, Android Studio, Quartus, and VMware. Detail-oriented and capable of following precise instructions. Comfortable working independently and meeting tight deadlines. Access to a physical Mac and ability to create a fresh macOS user profile if required. Fluent English language skills. Preferred Prior experience with data collection, annotation, or QA work. Experience recording or documenting workflows. Comfort working with new tools and staged environments. Application Process (Takes 20–30 mins to complete) Upload resume AI interview based on your resume Submit form Resources & Support For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome/welcome For any help or support, reach out to: support@mercor.com PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity. Read Less
  • Physics PhD - LLM-Assessment Specialist  

    - London
    About the job Mercor connects elite creative and technical talent with... Read More
    About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey. Position: Physics AI Evaluator
    Type: Full-time or Part-time Contract Work
    Compensation: $73/hour
    Location: USA, UK, Canada, EU Role Responsibilities Write and refine prompts to guide model behavior in physics contexts. Evaluate LLM-generated responses to physics-related queries for conceptual accuracy, mathematical correctness, and reasoning quality. Conduct fact-checking using authoritative public sources and domain knowledge. Annotate model responses by identifying strengths, areas of improvement, and factual or conceptual inaccuracies. Assess clarity, structure, and appropriateness of explanations for different audiences. Apply consistent evaluation standards by following clear taxonomies, benchmarks, and detailed evaluation guidelines. Qualifications Must-Have PhD in Physics or closely related field. Deep expertise in one or more sub-domains: Classical Mechanics & Dynamics, Electromagnetism, Optics & Signals, Thermodynamics & Statistical Physics, Quantum Physics, Relativity, Cosmology & High-Energy Physics. Significant experience using large language models (LLMs). Excellent writing skills and ability to explain complex physics concepts. Strong attention to detail. Experience reviewing or editing technical or academic writing. Fluent English language skills. Preferred Prior experience with RLHF, model evaluation, or data annotation work. Experience teaching, mentoring, or explaining physics concepts to non-expert audiences. Familiarity with evaluation rubrics, benchmarks, or structured review frameworks. Application Process (Takes 20–30 mins to complete) Upload resume AI interview based on your resume Submit form Resources & Support For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome/welcome For any help or support, reach out to: support@mercor.com PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity. Read Less
  • Sr. Software Engineer | $150/hr Max  

    - London
    About the job Mercor connects elite creative and technical talent with... Read More
    About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey. Position: Software Engineer
    Type: Freelance
    Compensation: $50–$150/hour
    Duration: 1–2 months
    Commitment: 15–25 hours/week, with flexibility up to 40 hours/week Role Responsibilities Review and refine AI-generated prompts, responses, and code. Validate algorithms and software concepts for technical accuracy. Provide structured feedback on solution quality and clarity. Tag and organize content by topic, difficulty, or language. Support benchmarking efforts to assess model capabilities. Work independently and asynchronously to meet deadlines while improving AI model performance. Qualifications Must-Have 2+ years of experience in software engineering, technical research, or educational content development. Bachelor's degree in Software Engineering, Computer Science, or a related field. Strong proficiency in languages like Python, JavaScript, Java, or C++. Experience with debugging, testing, and validating code. Comfortable with technical writing and attention to detail. Start Date Immediate Application Process (Takes 20–30 mins to complete) Upload resume AI interview: A short, 15-minute conversational session to understand your background, experience, and interest in the role Follow-up communication within a few days with next steps and onboarding details Resources & Support For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome/welcome For any help or support, reach out to: support@mercor.com PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity. Read Less
  • Dutch Audio Transcription Expert  

    - London
    About the job Mercor connects elite creative and technical talent with... Read More
    About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey. Position: Transcribing and Writing Expert
    Type: Contract
    Compensation: $50/hour
    Location: Remote
    Duration: 3–6 months Role Responsibilities Transcribe audio and video with precision in Dutch, supporting work in English when required. Establish evaluation standards for consumer audio contexts. Develop evaluation rubrics and guidelines in Dutch and English. Test models and assess outputs against expectations. Collaborate in QA processes to ensure task and rubric quality. Maintain consistency before integration into benchmarks. Qualifications Must-Have Strong writing and critical thinking skills Ability to work independently and meet deadlines Fluent in Dutch and English Able to work within GMT or PST working hours Preferred College students or graduates Application Process (Takes 20–30 mins to complete) Upload resume AI interview based on your resume Submit form Resources & Support For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome/welcome For any help or support, reach out to: support@mercor.com PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity. Read Less
  • Digital Workflow Coordinator - Remote $65/hr  

    - London
    About the job Mercor connects elite creative and technical talent with... Read More
    About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey. Position: Data Collection Specialist
    Type: Contract
    Compensation: $65/hour
    Location: Remote
    Commitment: 20+ hours/week Role Responsibilities Record screen sessions demonstrating specific tasks with clear verbal narration for each step. Annotate screenshots of professional software by drawing precise bounding boxes around relevant UI elements. Follow provided staging instructions to set up specific UI states prior to recording. Use a custom capture tool to record workflows accurately and consistently. Adhere closely to task guidelines to ensure data quality and usability. Qualifications Must-Have Strong familiarity with professional software tools including Blender, Godot, GIMP, R, Wings 3D. Fluent in English. Detail-oriented and capable of following precise instructions. Comfortable working independently and meeting tight deadlines. Access to a physical Mac and ability to create a fresh macOS user profile if required. Preferred Prior experience with data collection, annotation, or QA work. Experience recording or documenting workflows. Comfort working with new tools and staged environments. Application Process (Takes 20–30 mins to complete) Upload resume AI interview based on your resume Submit form Resources & Support For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome/welcome For any help or support, reach out to: support@mercor.com PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity. Read Less
  • Backend Engineer  

    - London
    ## About the job **Mercor** connects elite creative and technical tale... Read More
    ## About the job **Mercor** connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include **Benchmark**, **General Catalyst**, **Peter Thiel**, **Adam D'Angelo**, **Larry Summers**, and **Jack Dorsey**. **Position:** Software Engineer **Type:** **Contract** **Compensation:** **$100/hour** **Location:** **Remote** **Duration:** **1 month** **Commitment:** **20 hours/week** ## Role Responsibilities - Develop and maintain complex, production-grade **Python** systems for real-world environments. - Design modular, testable codebases using modern **Python** tooling and best practices like **FastAPI**, **Pydantic**, and unit/integration testing frameworks. - Optimize performance through profiling and memory optimization in **Python**. - Work **independently and asynchronously** to meet deadlines while improving **AI model performance**. - Collaborate with **AI research teams** to enhance training data quality and model outputs. ## Qualifications ### Must-Have - Proven track record of building and maintaining complex **Python** systems. - Deep understanding of **Python** language fundamentals, including decorators, generators, async/await, and context managers. - Experience designing modular, testable codebases with modern **Python** tooling. ## Interview Process - **90 mins** human interview centered on **Python**. - Feedback within two weeks. ## Compensation & Legal - **Hourly contractor** - **$100/hour** based on experience ## Application Process (Takes 20–30 mins to complete) - Upload resume - AI interview based on your resume - Submit form ## Resources & Support - For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome/welcome - For any help or support, reach out to: support@mercor.com *PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.* Read Less
  • Research Scientist – Physicist  

    - London
    About the job Mercor connects elite creative and technical talent with... Read More
    About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey. Position: Physics AI Evaluator
    Type: Full-time or Part-time Contract Work
    Compensation: $73/hour
    Location: USA, UK, Canada, EU Role Responsibilities Write and refine prompts to guide model behavior in physics contexts. Evaluate LLM-generated responses to physics-related queries for conceptual accuracy and reasoning quality. Conduct fact-checking using authoritative public sources and domain knowledge. Annotate model responses by identifying strengths and areas of improvement. Assess clarity, structure, and appropriateness of explanations for different audiences. Apply consistent evaluation standards by following clear taxonomies and benchmarks. Qualifications Must-Have PhD in Physics or closely related field. Deep expertise in Classical Mechanics & Dynamics, Electromagnetism, Thermodynamics, Quantum Physics, or Relativity. Significant experience using large language models (LLMs). Excellent writing skills and ability to explain complex physics concepts. Strong attention to detail and experience reviewing technical writing. Preferred Experience with RLHF, model evaluation, or data annotation work. Experience teaching or explaining physics concepts to non-experts. Familiarity with evaluation rubrics or structured review frameworks. Application Process (Takes 20–30 mins to complete) Upload resume AI interview based on your resume Submit form Resources & Support For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome/welcome For any help or support, reach out to: support@mercor.com PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity. Read Less

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