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Expert talent network

Audiobook QA Expert — Spanish (US)

English, Spanish $15–$20/hour

Help make the next generation of AI-narrated audiobooks sound genuinely human. We're building a team of native Spanish speakers who love audiobooks to help evaluate AI-narrated (text-to-speech) audiobooks in US / North American Spanish. You'll listen the way a real audiobook fan does — but with a careful, analytical ear — and flag the moments where the narration slips, so the underlying models can be made better.

Last verified 2026-10-28

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Expert talent network

Spanish Tutors

English, Spanish United States $60–$65/hour

Mercor is partnering with a leading language-learning platform to recruit experienced Spanish tutors for a short-term project involving recorded, one-on-one tutoring sessions. Tutors will conduct genuine Spanish lessons with native English-speaking learners at different proficiency levels. The goal is to produce natural, high-quality conversations that reflect authentic language-learning experiences.

Last verified 2026-10-28

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Expert talent network

Voice Actor: CX Agent Voice Cloning (Spanish – Latin America)

English, Spanish $50–$100/hour

Mercor is partnering with a leading AI research lab to build next-generation text-to-speech (TTS) systems capable of producing natural, expressive, and human-like voices. We are seeking Latin America-based voice actors with native Latin American Spanish fluency and neutral, internationally intelligible delivery to contribute high-quality voice recordings for training and evaluating cutting-edge speech models. This role is open to both experienced voice professionals and newcomers with a naturally clear, expressive voice and a good recording setup — prior voice-acting experience is a plus but n

Last verified 2026-10-28

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Expert talent network

Voice Actor: CX Agent Voice Cloning (Spanish – Mexico)

English, Spanish $50–$100/hour

Mercor is partnering with a leading AI research lab to build next-generation text-to-speech (TTS) systems capable of producing natural, expressive, and human-like voices. We are seeking Mexico-based voice actors with native Mexican Spanish accents to contribute high-quality voice recordings for training and evaluating cutting-edge speech models. This role is open to both experienced voice professionals and newcomers with a naturally clear, expressive voice and a good recording setup — prior voice-acting experience is a plus but not required.

Last verified 2026-10-28

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Expert talent network

Voice Actor: CX Agent Voice Cloning (Spanish – Peninsular)

English, Spanish $50–$100/hour

Mercor is partnering with a leading AI research lab to build next-generation text-to-speech (TTS) systems capable of producing natural, expressive, and human-like voices. We are seeking Spain-based voice actors with native Castilian/Peninsular Spanish accents to contribute high-quality voice recordings for training and evaluating cutting-edge speech models. This role is open to both experienced voice professionals and newcomers with a naturally clear, expressive voice and a good recording setup — prior voice-acting experience is a plus but not required.

Last verified 2026-10-28

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Expert talent network

Voice Actor: CX Agent Voice Cloning (Spanish – Peru)

English, Spanish $50–$100/hour

Mercor is partnering with a leading AI research lab to build next-generation text-to-speech (TTS) systems capable of producing natural, expressive, and human-like voices. We are seeking Peru-based female voice actors with native Peruvian Spanish accents to contribute high-quality voice recordings for training and evaluating cutting-edge speech models. This role is open to both experienced voice professionals and newcomers with a naturally clear, expressive voice and a good recording setup — prior voice-acting experience is a plus but not required.

Last verified 2026-10-28

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Alignerr

Spanish Language Expert

English, Spanish $40–$120/hour

What if your fluency in Spanish could directly shape how AI communicates with hundreds of millions of people around the world? We're looking for Spanish language experts to evaluate and improve AI-generated content — ensuring it sounds natural, accurate, and culturally right for real Spanish speakers. This is a fully remote, flexible contract role. No AI background needed — just a deep command of Spanish and a sharp eye for quality.

Last verified 2026-10-28

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LILT

AI Training Contributor – Spanish (US)

English, Spanish United States Pay not disclosed

We are seeking detail-oriented human reviewers with a strong understanding of their local cultural context to support a range of AI training and evaluation projects. In this role, you will work across diverse task types, including evaluating prompts and AI-generated outputs, reviewing and correcting text, analyzing multimedia content, contributing voice recordings, among others. You will contribute to ensuring high-quality results by applying careful judgment to factors such as accuracy, clarity, cultural appropriateness, brand alignment, and overall effectiveness in meeting task objectives. This work requires strong analytical skills, attention to detail, and nuanced judgment informed by re

Last verified 2026-10-28

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LILT

AI Benchmark Engineer | Native Language Specialist – Spanish (Spain)

English, Spanish Spain Pay not disclosed

We are building a rigorous, verifiable evaluation suite of Terminal-Bench tasks designed to test the limits of large language models on multilingual software challenges. Our goal is to measure multilingual robustness across prompt language effects, non-English data processing, and complex locale/encoding edge cases in terminal workflows. We are seeking experienced native-speaking software engineers to design, build, and validate these benchmarks. You will create high-signal, high-quality tasks that genuinely test a model's ability to handle multilingual environments without relying on English translation crutches. Note this is a remote, freelance opportunity

Last verified 2026-10-28

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LILT

AI Training Contributor – Spanish (Mexico)

English, Spanish Mexico Pay not disclosed

We are seeking detail-oriented human reviewers with a strong understanding of their local cultural context to support a range of AI training and evaluation projects. In this role, you will work across diverse task types, including evaluating prompts and AI-generated outputs, reviewing and correcting text, analyzing multimedia content, contributing voice recordings, among others. You will contribute to ensuring high-quality results by applying careful judgment to factors such as accuracy, clarity, cultural appropriateness, brand alignment, and overall effectiveness in meeting task objectives. This work requires strong analytical skills, attention to detail, and nuanced judgment informed by re

Last verified 2026-10-28

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LILT

Subject Matter Expert – Quantitative/Scientific/Corporate (English/Spanish LATAM)

English, Spanish Argentina, Colombia, Mexico Pay not disclosed

We are looking for experienced professionals to support a cutting-edge AI benchmarking project focused on highly specific professional silos. Candidates will need demonstrable background or academic exposure in at least one of these verticals:; Highly Technical / Quantitative: Software Eng., Mathematics, Robotics.; Scientific / Regulatory: Healthcare (clinical parameters), Natural Science (chemistry/physics datasets), Manufacturing (industrial systems, CAD, optimization).; Corporate / Creative: Finance, Media & Content, Office & White Collar. The ideal candidate is not a traditional translator. They are a Technical Subject Matter Expert (SME) / AI Engineerwho has localized fluency in one of

Last verified 2026-10-28

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LILT

Subject Matter Expert – Robotics (Spanish LATAM)

English, Spanish Argentina, Colombia, Mexico, Puerto Rico Pay not disclosed

We are seeking experienced professionals in Robotics to contribute to a cutting-edge AI benchmarking project in the target language. As a Subject Matter Expert, you will create and review high-quality, real-world natural sciences scenarios that evaluate AI systems in the target locale-specific contexts. Your expertise will directly shape how AI understands and performs in the compliant mathematical environments.

Last verified 2026-10-28

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LILT

Subject Matter Expert – Finance – Spanish (Mexico)

English, Spanish Mexico Pay not disclosed

We are seeking experienced professionals in Indian Finance and Financial Services to contribute to a cutting-edge AI benchmarking project. As a Subject Matter Expert, you will create and review high-quality, real-world financial scenarios that evaluate AI systems in Mexico-specific contexts. Your expertise will directly shape how AI understands and performs in India-compliant financial environments.

Last verified 2026-10-28

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LILT

Subject Matter Expert – International Trade & Logistics – English/Spanish (Mexico)

English, Spanish Mexico Pay not disclosed

We are looking for experienced International Trade and Logistics professionals to support a cutting-edge AI benchmarking project focused on international trade, customs operations, cross-border logistics, and global supply chain environments. As a Subject Matter Expert, you will create and review realistic, high-quality scenarios that reflect import/export operations, customs compliance, freight forwarding, trade documentation, transportation management, supply chain coordination, and client relationship challenges across international commerce. Your expertise will help ensure AI systems understand and respond accurately within the complexities of Mexico's international trade and logistics e

Last verified 2026-10-28

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LILT

Subject Matter Expert – Manufacturing & Industrial Operations (English/Spanish (Mexico)

English, Spanish Mexico Pay not disclosed

We are looking for experienced Manufacturing and Industrial Operations professionals to support a cutting-edge AI benchmarking project focused on industrial, production, and supply chain environments. As a Subject Matter Expert, you will create and review realistic, high-quality scenarios that reflect operational, engineering, procurement, production, logistics, and inventory management challenges across manufacturing facilities and industrial operations. Your expertise will help ensure AI systems understand and respond accurately within one of India's most strategically important sectors.

Last verified 2026-10-28

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LILT

Subject Matter Expert – Professional, Scientific & Technical Services – English/Spanish (Mexico)

English, Spanish Mexico Pay not disclosed

We are looking for experienced Professional, Scientific, and Technical Services professionals to support a cutting-edge AI benchmarking project focused on corporate, legal, financial, and technology environments. As a Subject Matter Expert, you will create and review realistic, high-quality scenarios that reflect operational, technical, analytical, legal, financial, and project management challenges across consulting, technology, professional services, and enterprise operations. Your expertise will help ensure AI systems understand and respond accurately within highly specialized and knowledge-driven industries.

Last verified 2026-10-28

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LILT

Linguist – Spanish (Puerto Rico)

English, Spanish United States Pay not disclosed

Are you a talented linguist with a love for language and cutting-edge technology? We want YOU to join our dynamic translation pool! We're on the lookout for experts across a range of exciting fields — including Life Sciences, IT, Marketing, Legal, Finance, – but don't let that limit you. Whatever your specialization, we'd love to hear from you!

Last verified 2026-10-28

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Meridial / Invisible Technologies

Science Specialist (Fluent in Spanish – Spain) – AI Trainer

English, Spanish $8–$65/hour

We’re looking for science specialists who live and breathe physical science, earth science, environmental science, chemistry, physics, astronomy, and scientific literacy. You’ll challenge advanced language models on topics like energy transformation, atomic structure, planetary motion, ecological systems, the water cycle, and scientific inquiry—documenting every failure mode so we can harden model reasoning. On a typical day, you will converse with the model on real-world scenarios and theoretical science questions, verify factual accuracy and logical soundness, capture reproducible error traces, and suggest improvements to our prompt engineering and evaluation metrics.

Last verified 2026-10-28

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Meridial / Invisible Technologies

LaTex Specialist (Fluent in Spanish – Spain) – AI Trainer

English, Spanish $8–$65/hour

We’re looking for LaTeX specialists who live and breathe document typesetting, mathematical formatting, bibliographic management, package customization, template development, and cross-referencing techniques. You’ll challenge advanced language models on topics like complex equation formatting, multi-language document support, Beamer presentations, TikZ graphics, package troubleshooting, and collaborative editing workflows—documenting every failure mode so we can harden model reasoning. On a typical day, you will converse with the model on document preparation scenarios and theoretical LaTeX questions, verify formatting accuracy and logical consistency, capture reproducible error traces, and

Last verified 2026-10-28

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Meridial / Invisible Technologies

Mathematics Specialist (Fluent in Spanish – Spain) – AI Trainer

English, Spanish $6–$65/hour

We’re looking for mathematics specialists who live and breathe algebra, calculus, number theory, linear algebra, differential equations, statistics, geometry, mathematical logic, and discrete mathematics. You’ll challenge advanced language models on topics like real and complex analysis, optimization theory, mathematical proofs, set theory, probability distributions, cryptographic algorithms, and applied mathematics—documenting every failure mode so we can harden model reasoning. On a typical day, you will converse with the model on classroom problems and theoretical mathematics questions, verify factual accuracy and logical soundness, capture reproducible error traces, and suggest improveme

Last verified 2026-10-28

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