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Data & AI
› AI Language Training
AI Language Training
1,497 open positions
AI Data Quality Analyst
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Alignerr
Remote
5d
Review, evaluate, and rate AI-generated outputs across text, images, and structured data to improve model learning and responses.
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Voice Expert (SME)
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Tundra Technical Solutions
Remote
5d
Evaluate speech recordings for pronunciation, intonation, emotional expression, and naturalness to improve AI-driven speech datasets.
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Support Linguist Text to Speech (TTS) - Italian/Spanish/Brazilian Portuguese
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Covalen
Dublin, County Dublin, Ireland
5d
Evaluate linguistic and audio quality of Text-to-Speech outputs, support text normalization, and identify language-specific challenges to improve speech technologies.
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AI Chatbot Tester
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Alignerr
Remote
5d
Evaluate AI chatbot responses for helpfulness, accuracy, tone, and safety by holding conversations and identifying issues like factual errors or bias.
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Game Developer (remote)
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Remote
$52k–$125k
5d
Build game projects and interactive scenes to serve as training data for AI systems that learn to analyze and play games.
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AI Chatbot Tester
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Alignerr
Remote
5d
Engage in real conversations with AI chatbots to evaluate responses for helpfulness, accuracy, tone, and safety, providing structured feedback to improve model development.
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Hydrus - Session Director - Spanish (Argentina) - V2
Welo-Global
Remote
$114k
5d
Lead live recording sessions with voice contributors to produce natural, conversational audio for synthesized AI voices.
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Hydrus - Session Director - Portuguese (BR) - V2
Welo-Global
Remote
$104k
5d
Lead live recording sessions with voice contributors to produce natural, conversational audio for synthesized AI voices.
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Freelance || German Language Specialist
Jobgether
Remote
6d
Support language-related tasks and communication ensuring accuracy and clarity across German and Telugu.
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Software Testing Analyst
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Alignerr
Remote
6d
Evaluate AI-generated code by running programs, identifying bugs, and ensuring software functions as expected.
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AI Data Quality Analyst
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Alignerr
Remote
6d
Review and rate AI-generated outputs (text, image, structured data) for accuracy and quality to inform model improvement.
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CUPE - CORRECTOR - ESP1991 - Fall 2026
Uottawa
Ottawa, ON, CA
6d
Grading assignments for an elementary Spanish course.
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Research Grant
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Inesc Tec
Porto, Portugal
€16k
6d
Build an annotated corpus of personally identifiable information (PII) from ASR transcripts of customer service calls and design linguistically grounded annotation schemes.
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Code Reviewer - Golang
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ZettaMine Labs Pvt. Ltd.
Remote
6d
Analyze and triage GitHub issues, evaluate unit test coverage, and modify codebases locally to assess LLM performance in bug-fixing scenarios for an AI training project.
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Data Scientist (AI Training)
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DataAnnotation
Remote
$208000k–$416000k
6d
Evaluate AI-generated analyses on real datasets, stress-test reasoning, and write judgments to train next-generation models.
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ML Systems QA Engineer — AI Training & Probing (Remote)
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DataAnnotation
Remote
6d
Stress-test how models reason about ML systems from training through deployment and craft practical, well-grounded answers for real-world use.
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Support Linguist – Text to Speech (TTS)
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Covalen
Sandyford, Dún Laoghaire-Rathdown, Ireland
€40k
6d
Evaluate linguistic and audio quality of Text-to-Speech outputs, support text normalization, and identify language-specific challenges to improve speech technologies.
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AI Speech and Voice Quality Expert
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Nicoll Curtin
Remote
6d
Evaluate speech recordings for tone, pitch, emotion, and audio quality to improve speech datasets.
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Generative AI Associate
Innodatainc
Remote
6d
Part-time, remote specialist role focused on rating, labeling, and generating data to train, evaluate, and fine-tune generative AI models and large language models.
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Audio Transcription Specialist with finance background (English, general, language)
Tsmg
Remote
6d
Listen to recorded audio conversations and accurately transcribe them into text to support speech recognition and conversational AI systems.
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Audio Transcription Specialist with legal background (Thai language)
Tsmg
Remote
6d
Listen to recorded audio conversations and accurately transcribe them into text to support speech recognition and conversational AI systems.
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Audio Transcription Specialist with legal background (Portuguese (BR regional varian) language)
Tsmg
Remote
6d
Listen to recorded audio conversations and accurately transcribe them into text to support speech recognition and conversational AI systems.
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Audio Transcription Specialist with legal background (English, general, language)
Tsmg
Remote
6d
Listen to recorded audio conversations and accurately transcribe them into text to support speech recognition and conversational AI systems.
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Audio Transcription Specialist with legal background (Indonesian language)
Tsmg
Remote
6d
Listen to recorded audio conversations and accurately transcribe them into text to support speech recognition and conversational AI systems.
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Audio Transcription Specialist with medical background (Portuguese (BR regional varian) language)
Tsmg
Remote
6d
Listen to recorded audio conversations and accurately transcribe them into text to support speech recognition and conversational AI systems.
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Audio Transcription Specialist with medical background (English, general, language)
Tsmg
Remote
6d
Listen to recorded audio conversations and accurately transcribe them into text to support speech recognition and conversational AI systems.
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Audio Transcription Specialist with medical background (English, UK regional variant, language)
Tsmg
Remote
6d
Listen to recorded audio conversations and accurately transcribe them into text to support speech recognition and conversational AI systems.
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AI Trainers Network - Latvian
Welo-Global
Remote
7d
Join a global network of contributors to perform annotation, evaluation, and prompt creation for AI systems.
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AI Trainers Network - Lao
Welo-Global
Remote
7d
Global network of contributors providing human input for AI training, evaluation, and prompt creation.
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AI Trainers Network - Kyrgyz
Welo-Global
Remote
7d
Join a global network of linguists to perform flexible, remote projects in annotation, evaluation, and prompt creation for AI systems.
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AI Trainers Network - Italian
Welo-Global
Remote
7d
Global network of linguists and contributors providing human feedback, annotation, and prompt creation to train and evaluate AI systems.
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AI Trainers Network - Irish
Welo-Global
Remote
7d
Join a global network of contributors to perform flexible, remote tasks in annotation, evaluation, and prompt creation to train AI systems.
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AI Trainers Network - Hungarian
Welo-Global
Remote
7d
Join a global network of linguists to perform flexible, remote projects in AI annotation, evaluation, and prompt creation.
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AI Trainers Network - Hebrew
Welo-Global
Remote
7d
Join a global network of linguists to perform annotation, evaluation, and prompt creation for AI systems.
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Audio Transcription Specialist with medical background (Indonesian language)
Tsmg
Remote
7d
Listen to recorded audio conversations and accurately transcribe them into text to support speech recognition and conversational AI systems.
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Freelance Linguist: Punjabi-India/Pakistan (Gurumukhi & Shahmukhi)
Welo Global
Remote, Worldwide
7d
Performing translations, review, and quality assurance (QA) of Punjabi content for global clients.
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Mathematics Specialist (Masters/PhDs)
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Alignerr
Remote
7d
Develop, solve, and review advanced mathematical problems to train and evaluate AI models' reasoning capabilities.
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Identity Trust & Fraud Intelligence Expert (AI Community)
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TELUS Digital AI Community
Remote
7d
An independent contractor who annotates and audits high-resolution scans of international IDs and biometric data to train AI models for fraud detection and identity verification.
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Native - Speakers Recording Quality Assurance
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Upwork
Remote
7d
Listen to audio recordings and compare them against prompt text to correct minor errors, mispronunciations, and punctuation, while tagging major quality issues.
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Tamil Linguistic Evaluator & Functional Tester
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Welocalize
Barcelona, Catalonia, Spain
7d
Evaluating pre-release AI model output in Tamil and testing product performance on client-supplied devices (smartphone and smart glass) for accuracy, naturalness, and localization quality.
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Mathematics Researcher (Masters/PhDs)
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Alignerr
Remote
7d
Develop, solve, and critically review advanced mathematical problems to train and evaluate AI models' reasoning and mathematical accuracy.
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Software Engineer
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Remote
$104k–$208k
7d
Review AI-generated code, explanations, and examples to evaluate technical reasoning and identify inaccuracies or defects.
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Voice Talent- Spanish (Mexico)
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Alignerr
Guadalajara, Jalisco, Mexico
7d
Record natural, conversational Mexican Spanish speech in a professional studio to train AI systems to understand and interpret human speech.
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Reviewer and Rate AI-Generated Code – Python
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Remote
7d
Review and rate AI-generated Python code for correctness, quality, and functionality in real-world bug-fixing scenarios.
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Spanish Linguist Expert
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TELUS Digital AI Community
7d
Evaluate and validate speech AI systems (TTS, ASR) for linguistic accuracy, naturalness, and cultural authenticity in Malaysian Malay.
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Environmental Engineering - AI Data Trainer
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Alignerr
Remote
7d
Design complex environmental engineering problems and author gold-standard technical solutions to train and evaluate AI models for water treatment, air quality, and waste management.
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Thai Expert | $35/hr | Remote
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The AI Training Company
Remote
$73k
7d
Review and correct machine-generated Thai transcriptions, annotate audio, and ensure outputs accurately reflect natural spoken and written Thai for AI systems.
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Portuguese Native : AI Speech & Audio Specialist
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TELUS Digital AI Community
Remote
$9k–$25k
7d
Evaluate AI-generated speech (TTS) and speech recognition outputs (ASR), perform professional audio editing, and analyze recordings to improve naturalness, accuracy, and quality of AI voice systems.
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Swedish Speech & Audio AI Specialist
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TELUS Digital AI Community
Remote
7d
Evaluate and validate speech AI systems (TTS, ASR) for naturalness, accuracy, and dataset quality to improve voice-based AI experiences.
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Marathi Linguistic Evaluator & Functional Tester
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Welocalize
Barcelona, Catalonia, Spain
7d
Evaluating pre-release AI model output in Marathi and testing product performance on client-supplied devices (smartphone and smart glass) for a major global technology client.
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