Role directory

Language and multilingual AI trainer jobs

73 current, verified opportunities. Compare the requirements here, then complete applications on the partner platform.

Language expertise for more useful AI

What this work looks like

Language AI work needs more than fluency. Strong evaluators understand tone, grammar, cultural context, ambiguity, and what sounds natural to native speakers. HumanitApp organizes current multilingual opportunities so you can check dialect, location, pay, and proficiency requirements first.

Typical work

  • Evaluate model responses for fluency, accuracy, tone, cultural fit, and instruction following.
  • Write, translate, rank, or annotate examples in languages such as Bengali, Hindi, Punjabi, and other active project languages.
  • Explain subtle errors and help teams distinguish literal correctness from natural communication.

What teams look for

  • Native or near-native proficiency in the exact language or dialect requested by the role.
  • Strong writing, editing, translation, teaching, or linguistic-analysis experience.
  • Reliable attention to regional usage, register, and culturally sensitive wording.

Apply with stronger evidence

  • Name your strongest language, dialect, region, and professional writing or translation experience.
  • Follow the listing's language and location requirements exactly.
  • Use a concise sample or credential when the application asks you to demonstrate fluency.
Related searchesBengali AI trainer jobsHindi AI evaluator jobsremote multilingual AI work

Current opportunities

Verified listing details with no HumanitApp account or application fee.

Language / United Kingdom (remote)

In-House Counsel (United Kingdom)

Mercor is partnering with a leading legal AI company to benchmark how well AI systems answer real questions of UK law. We are hiring experienced in-house counsel to serve as expert reviewers — running the same prompts through two AI...

$150 - $160 / hourVerified / Application completed externally
Language / Remote

Survey Research & Consumer Insights Expert

Mercor is partnering with a leading AI research organisation to engage experienced professionals in survey research, market research, consumer insights, and behavioural science for a project focused on evaluating and improving...

$120 / hourVerified / Application completed externally
Language / Remote

MS Excel / Google Sheets Evaluator

Overview — We are hiring professionals with with broad or general backgrounds that span multiple consumer-facing or personal domains. In this role, you will review, assess, and provide structured feedback on your domain-specific documents,...

$80 - $150 / hourVerified / Application completed externally
Language / Australia (remote)

In-House Counsel (Australia)

Mercor is partnering with a leading legal AI company to benchmark how well AI systems answer real questions of Australian law. We are hiring experienced in-house counsel to serve as expert reviewers — running the same prompts through two...

$100 - $120 / hourVerified / Application completed externally
Language / Remote

Nonprofit / philanthropy / community programs Evaluator

About the role — We are hiring expert Evaluators in Nonprofit / philanthropy / community programs to review and assess AI-generated work products (documents, spreadsheets, and slide decks) for accuracy, rigor, and domain quality. You will...

$80 - $120 / hourVerified / Application completed externally
Language / Remote

Process improvement / SOPs Evaluator

About the role — We are hiring expert Evaluators in Process improvement / SOPs to review and assess AI-generated work products (documents, spreadsheets, and slide decks) for accuracy, rigor, and domain quality. You will apply deep...

$80 - $120 / hourVerified / Application completed externally
Language / Remote

Japanese language / cultural fluency Evaluator

About the role — We are hiring expert Evaluators in Japanese language / cultural fluency to review and assess AI-generated work products (documents, spreadsheets, and slide decks) for accuracy, rigor, and domain quality. You will apply...

$80 - $120 / hourVerified / Application completed externally
Language / Remote

BI dashboards / performance reporting Evaluator

About the role — We are hiring expert Evaluators in BI dashboards / performance reporting to review and assess AI-generated work products (documents, spreadsheets, and slide decks) for accuracy, rigor, and domain quality. You will apply...

$80 - $120 / hourVerified / Application completed externally
Language / Remote

Cybersecurity / IT GRC Evaluator

About the role — We are hiring expert Evaluators in Cybersecurity / IT GRC to review and assess AI-generated work products (documents, spreadsheets, and slide decks) for accuracy, rigor, and domain quality. You will apply deep...

$80 - $120 / hourVerified / Application completed externally
Language / Remote

Education / school Evaluator

About the role — We are hiring expert Evaluators in Education / school to review and assess AI-generated work products (documents, spreadsheets, and slide decks) for accuracy, rigor, and domain quality. You will apply deep subject-matter...

$80 - $120 / hourVerified / Application completed externally
Language / Remote

Market research / competitive intelligence Evaluator

About the role — We are hiring expert Evaluators in Market research / competitive intelligence to review and assess AI-generated work products (documents, spreadsheets, and slide decks) for accuracy, rigor, and domain quality. You will...

$80 - $120 / hourVerified / Application completed externally
Language / Remote

Product launch / experiment readiness Evaluator

About the role — We are hiring expert Evaluators in Product launch / experiment readiness to review and assess AI-generated work products (documents, spreadsheets, and slide decks) for accuracy, rigor, and domain quality. You will apply...

$80 - $120 / hourVerified / Application completed externally
Language / Remote

People ops / recruiting Evaluator

About the role — We are hiring expert Evaluators in People ops / recruiting to review and assess AI-generated work products (documents, spreadsheets, and slide decks) for accuracy, rigor, and domain quality. You will apply deep...

$80 - $120 / hourVerified / Application completed externally
Language / Remote

Public health communications Evaluator

About the role — We are hiring expert Evaluators in Public health communications to review and assess AI-generated work products (documents, spreadsheets, and slide decks) for accuracy, rigor, and domain quality. You will apply deep...

$80 - $120 / hourVerified / Application completed externally
Language / Remote

User/customer research and feedback synthesis Evaluator

About the role — We are hiring expert Evaluators in User/customer research and feedback synthesis to review and assess AI-generated work products (documents, spreadsheets, and slide decks) for accuracy, rigor, and domain quality. You will...

$80 - $120 / hourVerified / Application completed externally
Language / Remote

Investor materials / fundraising / pitchbook Evaluator

About the role — We are hiring expert Evaluators in Investor materials / fundraising / pitchbook to review and assess AI-generated work products (documents, spreadsheets, and slide decks) for accuracy, rigor, and domain quality. You will...

$80 - $120 / hourVerified / Application completed externally
Language / Remote

Special education / IEP Evaluator

About the role — We are hiring expert Evaluators in Special education / IEP to review and assess AI-generated work products (documents, spreadsheets, and slide decks) for accuracy, rigor, and domain quality. You will apply deep...

$80 - $120 / hourVerified / Application completed externally
Language / Remote

Humanities / arts / culture Evaluator

About the role — We are hiring expert Evaluators in Humanities / arts / culture to review and assess AI-generated work products (documents, spreadsheets, and slide decks) for accuracy, rigor, and domain quality. You will apply deep...

$80 - $120 / hourVerified / Application completed externally
Language / Remote

Training / onboarding / L&D Evaluator

About the role — We are hiring expert Evaluators in Training / onboarding / L&D to review and assess AI-generated work products (documents, spreadsheets, and slide decks) for accuracy, rigor, and domain quality. You will apply deep...

$80 - $120 / hourVerified / Application completed externally
Language / Remote

Media / journalism / communications Evaluator

About the role — We are hiring expert Evaluators in Media / journalism / communications to review and assess AI-generated work products (documents, spreadsheets, and slide decks) for accuracy, rigor, and domain quality. You will apply deep...

$80 - $120 / hourVerified / Application completed externally
Language / Remote

Government / public administration Evaluator

About the role — We are hiring expert Evaluators in Government / public administration to review and assess AI-generated work products (documents, spreadsheets, and slide decks) for accuracy, rigor, and domain quality. You will apply deep...

$80 - $120 / hourVerified / Application completed externally
Language / Remote

Real estate / hospitality / events Evaluator

About the role — We are hiring expert Evaluators in Real estate / hospitality / events to review and assess AI-generated work products (documents, spreadsheets, and slide decks) for accuracy, rigor, and domain quality. You will apply deep...

$80 - $120 / hourVerified / Application completed externally
Language / Remote

Pricing / ROI / revenue economics Evaluator

About the role — We are hiring expert Evaluators in Pricing / ROI / revenue economics to review and assess AI-generated work products (documents, spreadsheets, and slide decks) for accuracy, rigor, and domain quality. You will apply deep...

$80 - $120 / hourVerified / Application completed externally
Language / Remote

Voice Actor: CX Agent Voice Cloning (UK English)

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 UK-based native English speakers with a neutral,...

$50 - $100 / hourVerified / Application completed externally
Language / Remote

Voice Actor: CX Agent Voice Cloning (Australian English)

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 Australia-based native English speakers with...

$50 - $100 / hourVerified / Application completed externally
Language / Remote — United States

GPU Kernel Expert

Evaluate the quality, correctness, and completeness of GPU/accelerator kernel development tasks used to train and evaluate a frontier AI lab's models. You'll assess numerical correctness, performance-benchmarking fairness, task scoping,...

$70 - $90 / hourVerified / Application completed externally
Language / Remote

Music & Lyrics Expert - Norwegian

Mercor is hiring experienced musicians to evaluate generative music AI models, in partnership with a leading AI lab. — You will assess AI-generated music across a wide range of genres and rate it against detailed quality standards, working...

$42 - $78 / hourVerified / Application completed externally
Language / Remote

Music Production Expert - Norwegian

Mercor is hiring experienced music producers and audio engineers to evaluate generative music AI models, in partnership with a leading AI lab. — You will assess AI-generated music across a wide range of genres and rate it against detailed...

$42 - $78 / hourVerified / Application completed externally
Language / Remote

Editorial and Media Practice Reviewer

The role — We're hiring working editorial and media professionals to audit AI work product in their own field, not to produce it. — You'll see an AI agent's complete attempt at a realistic task from your job: the task as written, what the...

$45 - $50 / hourVerified / Application completed externally
Language / Remote - United States, Canada, or United Kingdom

Surety Underwriter & Bond Specialist

Compensation: all experts are paid a flat $800 upon successful completion of the onboarding process, which we estimate takes approximately 10 hours. After successfully completing onboarding, you will be converted to $80/hour. — About the...

$80 / hourVerified / Application completed externally
Language / Remote - United States, Canada, or United Kingdom

Disability Claims & Underwriting Specialist

Compensation: all experts are paid a flat $800 upon successful completion of the onboarding process, which we estimate takes approximately 10 hours. After successfully completing onboarding, you will be converted to $80/hour. — About the...

$80 / hourVerified / Application completed externally
Language / Remote - United States, Canada, or United Kingdom

Multiline P&C Underwriter

Compensation: all experts are paid a flat $800 upon successful completion of the onboarding process, which we estimate takes approximately 10 hours. After successfully completing onboarding, you will be converted to $80/hour. — About the...

$80 / hourVerified / Application completed externally
Language / United States Remote

AI Rater Guidelines Writer (Linguist / Instructional Designer)

Join a leading AI lab's cutting-edge GenAI team to be at the core of the AI revolution, where your expertise fuels the development of the most advanced Large Language Models. — 1. Overview — Join a leading AI lab's cutting-edge GenAI team...

$45 - $65 / hourVerified / Application completed externally
Language / Remote

Music & Lyrics Expert - Dutch

Mercor is hiring experienced musicians to evaluate generative music AI models, in partnership with a leading AI lab. — You will assess AI-generated music across a wide range of genres and rate it against detailed quality standards, working...

$28 - $60 / hourVerified / Application completed externally
Language / Remote

Music & Lyrics Expert - German

Mercor is hiring experienced musicians to evaluate generative music AI models, in partnership with a leading AI lab. — You will assess AI-generated music across a wide range of genres and rate it against detailed quality standards, working...

$30 - $58 / hourVerified / Application completed externally
Language / Remote

Spanish Tutors

About the Role — 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...

$60 - $70 / hourVerified / Application completed externally
Language / Remote

Generalist Expert (UK/Europe)

We’re looking for UK or Europe-based generalist experts to help train and evaluate frontier AI models. In this role, you’ll review and assess a wide range of everyday professional content — documents, slides, spreadsheets, and other...

$50 - $70 / hourVerified / Application completed externally
Language / Remote

Generalist Expert (US/Canada)

We’re looking for US or Canada-based generalist experts to help train and evaluate frontier AI models. In this role, you’ll review and assess a wide range of everyday professional content — documents, slides, spreadsheets, and other...

$50 - $70 / hourVerified / Application completed externally
Language / Remote

Music Production Expert - Russian

Mercor is hiring experienced music producers and audio engineers to evaluate generative music AI models, in partnership with a leading AI lab. — You will assess AI-generated music across a wide range of genres and rate it against detailed...

$35 - $49 / hourVerified / Application completed externally
Language / Remote

AI Safety Experts — English & Norwegian

Location: Remote — Fluent Language Skills Required: English & Norwegian. Native fluency in English and Norwegian is required for this position. — Why This Role Exists — At Mercor, we believe the safest AI is the one that’s already been...

$48 - $62 / hourVerified / Application completed externally
Language / Remote

AI Safety Experts — English & Danish

Location: Remote — Fluent Language Skills Required: English & Danish. Native fluency in English and Danish is required for this position. — Why This Role Exists — At Mercor, we believe the safest AI is the one that’s already been attacked...

$48 - $62 / hourVerified / Application completed externally
Language / Remote

AI Safety Experts — English & Finnish

Location: Remote — Fluent Language Skills Required: English & Finnish. Native fluency in English and Finnish is required for this position. — Why This Role Exists — At Mercor, we believe the safest AI is the one that’s already been...

$48 - $62 / hourVerified / Application completed externally
Language / Remote

AI Safety Experts — English & Swedish

Location: Remote — Fluent Language Skills Required: English & Swedish. Native fluency in English and Swedish is required for this position. — Why This Role Exists — At Mercor, we believe the safest AI is the one that’s already been...

$48 - $62 / hourVerified / Application completed externally
Language / Remote

AI Safety Experts — English & Dutch

Location: Remote — Fluent Language Skills Required: English & Dutch. Native fluency in English and Dutch is required for this position. — Why This Role Exists — At Mercor, we believe the safest AI is the one that’s already been attacked —...

$48 - $62 / hourVerified / Application completed externally
Language / Remote

AI Safety Experts — English & Portuguese (global)

Location: Remote — Fluent Language Skills Required: English & Portuguese (global, excluding Brazilian Portuguese). Native fluency in English and Portuguese (global, excluding Brazilian Portuguese) is required for this position. — Why This...

$29 - $45 / hourVerified / Application completed externally
Language / Remote

Arabic expert

Role Overview We're recruiting native Arabic speakers for immediate customer experience (CX) agent testing. You'll place calls and run quality reviews to evaluate our client's conversational AI agent. — What You'll Do • Complete 10 test...

$16 - $18 / hourVerified / Application completed externally
Language / Remote

Music & Lyrics Expert - Slovak

Mercor is hiring experienced musicians to evaluate generative music AI models, in partnership with a leading AI lab. — You will assess AI-generated music across a wide range of genres and rate it against detailed quality standards, working...

$20 - $36 / hourVerified / Application completed externally
Language / Remote

Music & Lyrics Expert - Hungarian

Mercor is hiring experienced musicians to evaluate generative music AI models, in partnership with a leading AI lab. — You will assess AI-generated music across a wide range of genres and rate it against detailed quality standards, working...

$20 - $36 / hourVerified / Application completed externally
Language / Remote

Music Production Expert - Slovak

Mercor is hiring experienced music producers and audio engineers to evaluate generative music AI models, in partnership with a leading AI lab. — You will assess AI-generated music across a wide range of genres and rate it against detailed...

$20 - $36 / hourVerified / Application completed externally
Language / Remote

Bilingual Writer - Korean (South Korea)

Mercor is hiring native Korean speakers to help capture and evaluate real, natural voice interactions with a next-generation AI assistant, in partnership with a leading AI lab. — You will use a specialized version of the app on your own...

$24 / hourVerified / Application completed externally
Language / Remote

Bilingual Writer - Japanese (Japan)

Mercor is hiring native Japanese speakers to help capture and evaluate real, natural voice interactions with a next-generation AI assistant, in partnership with a leading AI lab. — You will use a specialized version of the app on your own...

$24 / hourVerified / Application completed externally
Language / Remote

Bilingual Writer - Mandarin Chinese (Traditional, Taiwan)

Mercor is hiring native Mandarin Chinese speakers to help capture and evaluate real, natural voice interactions with a next-generation AI assistant, in partnership with a leading AI lab. — You will use a specialized version of the app on...

$24 / hourVerified / Application completed externally
Language / Remote

Music & Lyrics Expert - Arabic

Mercor is hiring experienced musicians to evaluate generative music AI models, in partnership with a leading AI lab. — You will assess AI-generated music across a wide range of genres and rate it against detailed quality standards, working...

$17 - $34 / hourVerified / Application completed externally
Language / Remote

Bilingual Writer - Italian (Italy)

Mercor is hiring native Italian speakers to help capture and evaluate real, natural voice interactions with a next-generation AI assistant, in partnership with a leading AI lab. — You will use a specialized version of the app on your own...

$21 / hourVerified / Application completed externally
Language / Remote

Spanish Learner

About the Role — Mercor is partnering with a leading language-learning platform to recruit Spanish learners for a short-term project involving recorded, one-on-one Spanish learning sessions. Learners will participate in genuine Spanish...

$30 - $42 / hourVerified / Application completed externally
Language / Remote

Bilingual Writer - Thai (Thailand)

Mercor is hiring native Thai speakers to help capture and evaluate real, natural voice interactions with a next-generation AI assistant, in partnership with a leading AI lab. — You will use a specialized version of the app on your own Mac...

$15 / hourVerified / Application completed externally
Language / Remote

Bilingual Writer - Portuguese (Brazil)

Mercor is hiring native Portuguese speakers to help capture and evaluate real, natural voice interactions with a next-generation AI assistant, in partnership with a leading AI lab. — You will use a specialized version of the app on your...

$15 / hourVerified / Application completed externally
Language / Remote

Bilingual Writer - Hindi (India)

Mercor is hiring native Hindi speakers to help capture and evaluate real, natural voice interactions with a next-generation AI assistant, in partnership with a leading AI lab. — You will use a specialized version of the app on your own Mac...

$15 / hourVerified / Application completed externally
Language / Remote

AI Safety Experts — English & Indonesian

Location: Remote — Fluent Language Skills Required: English & Indonesian. Native fluency in English and Indonesian is required for this position. — Why This Role Exists — At Mercor, we believe the safest AI is the one that’s already been...

$17 - $25 / hourVerified / Application completed externally
Language / Remote

AI Safety Experts — English & Vietnamese

Location: Remote — Fluent Language Skills Required: English & Vietnamese. Native fluency in English and Vietnamese is required for this position. — Why This Role Exists — At Mercor, we believe the safest AI is the one that’s already been...

$17 - $25 / hourVerified / Application completed externally
Language / Remote

AI Safety Experts — English & Punjabi

Location: Remote — Fluent Language Skills Required: English & Punjabi. Native fluency in English and Punjabi is required for this position. — Why This Role Exists — At Mercor, we believe the safest AI is the one that’s already been...

$20 - $22 / hourVerified / Application completed externally
Language / Remote

AI Safety Experts — English & Assamese

Location: Remote — Fluent Language Skills Required: English & Assamese. Native fluency in English and Assamese is required for this position. — Why This Role Exists — At Mercor, we believe the safest AI is the one that’s already been...

$20 - $22 / hourVerified / Application completed externally
Language / Remote

AI Safety Experts — English & Odia

Location: Remote — Fluent Language Skills Required: English & Odia. Native fluency in English and Odia is required for this position. — Why This Role Exists — At Mercor, we believe the safest AI is the one that’s already been attacked — by...

$20 - $22 / hourVerified / Application completed externally
Language / Remote

AI Safety Experts — English & Bengali

Location: Remote — Fluent Language Skills Required: English & Bengali. Native fluency in English and Bengali is required for this position. — Why This Role Exists — At Mercor, we believe the safest AI is the one that’s already been...

$20 - $22 / hourVerified / Application completed externally
Language / Remote

AI Safety Experts — English & Thai

Location: Remote — Fluent Language Skills Required: English & Thai. Native fluency in English and Thai is required for this position. — Why This Role Exists — At Mercor, we believe the safest AI is the one that’s already been attacked — by...

$24 - $35 / hourVerified / Application completed externally
Language / Remote

Music & Lyrics Expert - Bengali

Mercor is hiring experienced musicians to evaluate generative music AI models, in partnership with a leading AI lab. — You will assess AI-generated music across a wide range of genres and rate it against detailed quality standards, working...

$11 - $19 / hourVerified / Application completed externally
Language / Remote

Music Production Expert - Bengali

Mercor is hiring experienced music producers and audio engineers to evaluate generative music AI models, in partnership with a leading AI lab. — You will assess AI-generated music across a wide range of genres and rate it against detailed...

$11 - $19 / hourVerified / Application completed externally
Language / Remote

Music & Lyrics Expert - Thai

Mercor is hiring experienced musicians to evaluate generative music AI models, in partnership with a leading AI lab. — You will assess AI-generated music across a wide range of genres and rate it against detailed quality standards, working...

$18 / hourVerified / Application completed externally
Language / Remote

Music Production Expert - English (India)

Mercor is hiring experienced music producers and audio engineers to evaluate generative music AI models, in partnership with a leading AI lab. — You will assess AI-generated music across a wide range of genres and rate it against detailed...

$13 - $17 / hourVerified / Application completed externally
Language / Remote

Music & Lyrics Expert - Punjabi

Mercor is hiring experienced musicians to evaluate generative music AI models, in partnership with a leading AI lab. — You will assess AI-generated music across a wide range of genres and rate it against detailed quality standards, working...

$15 / hourVerified / Application completed externally
Language / Remote

Mexican Spanish expert

Role Overview We're recruiting Mexican Spanish generalist speakers for immediate customer experience (CX) agent testing. You'll participate in phone calls and live interaction testing to evaluate our client's conversational AI agent. —...

$10 / hourVerified / Application completed externally
Language / Remote

AI Safety Experts — English & Malay

Location: Remote — Fluent Language Skills Required: English & Malay. Native fluency in English and Malay is required for this position. — Why This Role Exists — At Mercor, we believe the safest AI is the one that’s already been attacked —...

$17 - $25 / hourVerified / Application completed externally
Language / Remote

Peruvian Spanish expert

Role Overview We're recruiting Peruvian Spanish generalist speakers for immediate customer experience (CX) agent testing. You'll participate in phone calls and live interaction testing to evaluate our client's conversational AI agent. —...

$8 / hourVerified / Application completed externally