Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Spanish Audio Evaluator - Expert

$50 per hour
London
  • Remote job

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: Spanish (Mexico) Audio Generalist Evaluator Expert

Type: Contract

Compensation: $50/hour

Location: Remote

Commitment: 10–20 hours/week

Role Responsibilities

  • Transcribe and optimize audio and video content in Spanish (Mexico) , ensuring clarity and adherence to guidelines.
  • Develop detailed evaluation rubrics and grading guidelines in Spanish and English for consumer audio contexts.
  • Conduct model testing and grading, evaluating outputs for accuracy and clarity.
  • Provide structured feedback to improve AI model performance in Spanish audio tasks.
  • Support benchmarking and quality assurance, maintaining consistency and reliability in datasets.
  • Collaborate with project leads to resolve ambiguities and improve task design.

Qualifications

Must-Have

  • Strong writing, editing, and critical thinking skills.
  • Ability to work independently and manage time effectively.
  • Native or near-native fluency in Spanish (Mexico) and professional fluency in English .
  • Familiarity with Mexican Spanish, regional vocabulary, and contemporary language usage.
  • Ability to transcribe and analyze Spanish audio content accurately.

Preferred

  • College students or recent graduates.
  • Background in linguistics, humanities, social sciences, journalism, translation/localization, or technical disciplines.
  • Experience with transcription, annotation, localization, evaluation, or research workflows in Spanish.
  • Familiarity with differences between Mexican Spanish and other Latin American Spanish varieties.
  • Interest in AI , language models, or applied research 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:
  • For any help or support, reach out to:

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Spanish Audio Evaluator - Expert in London vacancy
  • $50 per hour

     ...General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . Position: Argentinian Spanish Audio Generalist Evaluator Expert Type: Contract Compensation: $50/hour Location: Remote Commitment: 10–20 hours... 
    Audio
    Spanish language
    Remote job
    Summer work

    Mercor

    London
    11 days ago
  • $50 per hour

     ..., General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . Position: Basque Audio Generalist Evaluator Expert Type: Contract Compensation: $50/hour Location: Remote Commitment: 10–20 hours/week... 
    Audio
    Remote job
    Summer work

    Mercor

    London
    2 days ago
  • $80 - $120 per hour

     ...General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . Position: People ops / recruiting Evaluator Type: Contract Compensation: $80–$120/hour Location: Remote Role Responsibilities Evaluate... 
    Suggested
    Remote job
    Summer work

    Mercor

    London
    11 days ago
  • $80 - $120 per hour

     ...Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . Position: Privacy / regulatory compliance Evaluator Type: Contract Compensation: $80–$120/hour Location: Remote Role Responsibilities Evaluate... 
    Suggested
    Remote job
    Summer work

    Mercor

    London
    12 days ago
  • $80 - $120 per hour

     ...Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . Position: BI dashboards / performance reporting Evaluator Type: Contract Compensation: $80–$120/hour Location: Remote Role Responsibilities Evaluate... 
    Suggested
    Remote job
    Summer work

    Mercor

    London
    12 days ago
  • $15 - $20 per hour

     ...Responsibilities Conduct fact-checking using trusted public sources and external tools . Generate high-quality human evaluation data by identifying response strengths, areas for improvement, and factual inaccuracies. Assess reasoning quality, clarity, tone... 
    Remote job
    Summer work

    Mercor

    London
    19 days ago
  • $80 - $120 per hour

     ...General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . Position: Healthcare operations Evaluator Type: Contract Compensation: $80–$120/hour Location: Remote Role Responsibilities Evaluate... 
    Remote job
    Summer work

    Mercor

    London
    12 days ago
  • £29k - £39k per annumEstimated
     ...include game development, art production, audio production, quality assurance,...  ...video game worlds to life for players in EU Spanish market. You’ll handle a mix of translation...  ...project norms. Support candidate test evaluations and contribute to test updates as needed.... 
    Audio
    Spanish language
    Full-time
    Part-time
    Fixed-term contract
    Remote
    Shift work

    Side

    London
    more than 2 months ago
  •  ...As a freelance expert, you will work with our team of consultants on assignments, relevant to your skills, to carry out technical studies...  ...or more of the following languages would be considered an asset: Spanish, French, Portuguese, Chinese. We highly value long-term lasting... 
    Spanish language
    Long-term contract
    Freelance

    E Co.

    London
    more than 2 months ago
  •  ...English (Sri Lankan) Audio Evaluators Needed | Remote Freelance Opportunity Are you fluent in Sri Lankan English ? What You'll Do: • Evaluate short English (Sri Lankan) audio clips • Identify and assess regional accents • Compare recordings for accent accuracy and... 
    Audio
    Freelance
    Remote

    Welo Data

    London
    12 days ago
  • £28k - £37k per annumEstimated
     ...Your role: As a Consumer Deals Expert , you will create high-energy commerce content that resonates with The Sun’s massive digital audience...  ...almost 40 million people each month. Spanning print and pixel, audio and video, events and experiences, our multi-format brands are... 
    Audio
    Long-term contract
    Apprenticeship
    Hybrid working
    On-site

    Marketing

    London
    13 days ago
  •  ...We are looking for detail-oriented English (UK) Audio Evaluators to join an exciting language evaluation project. In this role, you will assess short audio clips in Modern British English , focusing on accent recognition and the naturalness of speech. Your work will help... 
    Audio
    Remote

    Welo Data

    London
    more than 2 months ago
  •  ...We are seeking Audio Evaluators to participate in an exciting project focused on evaluating audio clips in Cantonese . This role involves assessing and analyzing audio recordings to ensure alignment with project guidelines. The tasks emphasize accent recognition, focusing... 
    Audio
    Part-time
    Freelance
    Remote

    Welo Data

    London
    a month ago
  •  ...international school in West London seeks a qualified and passionate Spanish Teacher to join its dynamic Languages department for a temporary...  ...Responsibilities: Curriculum Delivery: Plan, deliver, and evaluate engaging Spanish lessons, fostering a love of the language and... 
    Spanish language
    Full-time
    Temporary

    Wayman Learning Trust

    Hillingdon, Greater London
    more than 2 months ago
  •  ...international school in West London seeks a passionate and qualified Spanish Teacher to join its dynamic Languages department for a full-time...  ...: Implement effective assessment strategies to evaluate student progress in project-based learning activities and their... 
    Spanish language
    Full-time
    Temporary

    Wayman Learning Trust

    Hillingdon, Greater London
    more than 2 months ago
  •  ...We are seeking a passionate and dedicated Spanish Teacher to join our vibrant educational community in North West London. The ideal candidate...  ..., cultural understanding, and global awareness. Assess and evaluate student progress through a variety of formative and summative... 
    Spanish language
    Flexible hours

    Wayman Learning Trust

    Brent, Greater London
    more than 2 months ago
  •  ...months Estimated Start Date : ASAP   Role Summary   We are looking for passionate, highly analytical Sports experts to help train and evaluate the next generation of Artificial Intelligence. As a Subject Matter Experts in Sports, you will review, rate, and correct... 
    Freelance
    Immediate start
    Remote

    DataForce by TransPerfect

    London
    more than 2 months ago
  • $70 - $100 per hour

     ..., Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . Position: STEM Computational Scientific Software & Evaluation Design - Pharmacokinetics & Systems Biology Type: Contract Compensation: $70–$100/hour Location: Remote... 
    Remote job
    Summer work

    Mercor

    London
    12 days ago
  • £49k - £62k per annumEstimated
     ...Overview We are seeking an experienced Industry Subject Matter Expert to help shape a professional learning programme focused on...  ...implementation within organisational and team environments Experience evaluating emerging technologies and translating them into business or... 

    peopleworth

    London
    20 days ago
  • £60k - £78k per annumEstimated
     ...enterprise deployment. We are now seeking an AI Subject Matter Expert (SME) to lead technical architecture, prototyping and deployment...  ...• Prompt injection mitigation • AI monitoring and evaluation • Responsible AI deployment Candidate Requirements • 12–... 
    Full-time
    Remote
    Flexible hours

    MaxAccelerate

    London
    more than 2 months ago
  • £39k - £51k per annumEstimated
     ...Do you want to boost your career and collaborate with expert, talented colleagues to solve and deliver against our clients' most important...  ...projects over the entire project life cycle. Experience in evaluating existing supply chain processes and identify areas for... 
    Full-time
    Shift work

    Infosys Consulting - Europe

    London
    more than 2 months ago
  •  ...months Estimated Start Date : ASAP   Role Summary   We are looking for passionate, highly analytical Travel experts to help train and evaluate the next generation of Artificial Intelligence. As a Subject Matter Expert, you will review, rate, and correct AI-generated... 
    Freelance
    Free visa
    Immediate start
    Remote

    DataForce by TransPerfect

    London
    more than 2 months ago
  • £22k - £25k per annumEstimated
     ...create, manage, localise, distribute and place their content, and evaluate its media reach. THE OPPORTUNITY FOR YOU DMS is seeking...  ...-renowned client base. Your normal duties will include; Audio mixing of in-house post-produced short-form content Foreign language... 
    Audio
    Monday to Friday
    Shift work
    Night shift
    Rotating shifts
    Early shift

    DMS

    London
    13 days ago
  • $35.2 per hour

     ...Overview    Are you passionate about languages, writing, and quality evaluation? We are launching an exciting language evaluation project and are looking for Dutch-speaking experts to join our team.  In this role, you will contribute to training AI systems to better... 
    Part-time
    Freelance
    Immediate start
    Remote
    Flexible hours

    Welo Data

    London
    more than 2 months ago
  •  ...Role Summary   We are looking for passionate, highly analytical gamers to help train and evaluate the next generation of Artificial Intelligence. As a Subject Matter Expert in Gaming, you will review, rate, and correct AI-generated responses related to video games. Your... 
    Freelance
    Immediate start
    Remote

    DataForce by TransPerfect

    London
    more than 2 months ago
  • $70 - $90 per hour

     ...Larry Summers , and Jack Dorsey . Position: Physics PhD Experts (String theory, QFT, Particle physics & Nuclear physics)...  ...labs to create high-quality data for large language models. Evaluate and improve AI model outputs using domain expertise. Work... 
    Remote job
    Summer work

    Mercor

    London
    9 days ago
  • $120 per hour

     ...Adam D'Angelo , Larry Summers , and Jack Dorsey . Position: Compliance / regulatory response with financial-services AI Evaluator Type: Contract Compensation: $80–$120/hour Location: Remote Role Responsibilities Evaluate... 
    Remote job
    Summer work

    Mercor

    London
    12 days ago
  • $130 - $170 per hour

     ...Larry Summers , and Jack Dorsey . Position: UK-Based Legal Experts: US Finance Type: Contract Compensation: $130...  ...Resume + work history screen. Short assessment evaluating law expertise. Application Process (Takes 20–30 mins to complete... 
    Remote job
    40 hours/week
    Summer work

    Mercor

    London
    19 days ago
  • $15 per hour

     ...Are you an Urdu language expert with a passion for writing and quality? Join an exciting AI project where your expertise will help...  ...how AI understands and communicates in Urdu. What You’ll Do Evaluate AI-generated content for accuracy, fluency, and cultural... 
    Part-time
    Freelance
    Immediate start
    Remote
    Flexible hours

    Welo Data

    London
    more than 2 months ago
  • $130 - $170 per hour

     ...Summers , and Jack Dorsey . Position: UK-Based Consulting Experts Type: Contract Compensation: $130–$170/hour...  ...Resume + work history screen Short assessment evaluating consulting expertise Application Process (Takes 20–30 mins... 
    Remote job
    40 hours/week
    Summer work

    Mercor

    London
    21 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Spanish Audio Evaluator - Expert. Be the first to apply!