Open AI training and model evaluation roles that call for Language Evaluation expertise, gathered from 5 platforms. Part of Languages, Translation & Voice.
Pay figures cover the 170 open jobs that publish an hourly rate in USD. They are published rates, not a guarantee of income. Last checked on October 8, 2026.
You will listen to audiobooks generated by text-to-speech synthesis in Dutch and evaluate the natural quality and accuracy of the narration. By identifying pronunciation defects, reading errors and unnatural intonations, you will contribute to improving AI models. This part-time role is aimed at native Dutch speakers who are passionate about audiobooks.
Posted September 14, 2026
You will listen to audiobooks generated by text-to-speech synthesis and evaluate the quality of the narration, identifying pronunciation errors, inaccuracies, and lack of naturalness. This role suits a native English speaker passionate about audiobooks, capable of precisely identifying where narration deteriorates so that AI models can be improved.
Posted September 14, 2026
You will listen to audiobooks generated by French text-to-speech synthesis to assess the naturalness and quality of narration. Your role will consist of identifying pronunciation defects, intonation errors, and audio anomalies, documenting them precisely to improve the underlying AI models. This job suits a French-speaking listener passionate about audiobooks, capable of combining critical listening with analytical rigor.
Posted September 14, 2026
This job involves evaluating the quality of audiobooks generated by text-to-speech synthesis in German by carefully listening to recordings to identify defects in pronunciation, intonation, and articulation. Candidates must be native or near-native speakers of German (Germany) with a genuine passion for audiobooks and experience in annotation or proofreading tasks.
Posted September 14, 2026
You will evaluate audiobooks generated by text-to-speech synthesis in Italian by carefully listening to the quality, accuracy, and naturalness of the narration. You will identify and document imperfections in the synthesized speech to help improve voice generation models. This role is intended for native or near-native Italian speakers who have audiobook narration experience and a critical ear.
Posted September 14, 2026
You will listen to audiobooks generated by text-to-speech synthesis in Brazilian Portuguese and evaluate the naturalness and accuracy of the narration. You will identify pronunciation errors, mispronounced or omitted words, and intonation defects to help improve the underlying AI models. This role is suited to a native Brazilian Portuguese speaker who enjoys audiobooks and has 20 hours per week available for remote work.
Posted September 14, 2026
You will evaluate audiobooks generated by text-to-speech synthesis in European Portuguese, listening carefully to identify pronunciation defects, intonation issues, or other anomalies in the narration. Your role consists of annotating these errors precisely in order to improve the underlying AI models. This job is intended for native or near-native speakers of European Portuguese who are passionate about audiobooks and have experience in annotation or careful revision.
Posted September 14, 2026
You will listen to audiobooks generated by text-to-speech synthesis in North American Spanish to evaluate the naturalness and quality of the narration. Your job is to detect pronunciation errors, inaccuracies, and acoustic defects, then document them precisely to improve the underlying models. This role suits a native Spanish speaker passionate about audiobooks and experienced with detailed annotation work.
Posted September 14, 2026
This role involves evaluating the quality and relevance of texts and statements in Cantonese to train generalist AI systems. As a native Cantonese speaker, you will use proprietary tools to analyze linguistic data and provide detailed feedback aimed at improving natural language processing models.
Posted September 11, 2026
Referral link to micro1's job list: search for this role there. Open this exact job
This role involves transcribing and annotating audio recordings in Cantonese and English for AI system training. You will refine automatic transcriptions, correct linguistic nuances and accents, and provide professional-quality content. This position is intended for Cantonese experts capable of capturing the subtleties of the language in a technological context.
Posted September 7, 2026
Referral link to micro1's job list: search for this role there. Open this exact job
This job involves transcribing professional audio samples in Dutch and English into high-quality written text, with emphasis on grammar, punctuation, and context. You will contribute to training next-generation AI systems by bringing your deep linguistic expertise and nuanced understanding of language. This role is suited for experienced transcribers with native mastery of Dutch and professional knowledge of transcription standards.
Posted September 7, 2026
Referral link to micro1's job list: search for this role there. Open this exact job
This job involves transcribing and annotating audio recordings in Mandarin and English to train AI models. You will leverage your native mastery of Mandarin to produce accurate, well-formatted transcriptions, proofreading and enriching texts according to project guidelines. This role is suited for linguistic experts who wish to contribute to the development of AI systems without requiring prior experience in artificial intelligence.
Posted September 7, 2026
Referral link to micro1's job list: search for this role there. Open this exact job
This role consists of transcribing and annotating audio recordings in Portuguese to train artificial intelligence models. You will listen to varied samples (conversational and formal speech), review transcriptions to ensure their quality, and provide linguistic and cultural perspectives. The ideal profile has native mastery of Portuguese, professional experience in audio transcription, and good knowledge of English.
Posted September 7, 2026
Referral link to micro1's job list: search for this role there. Open this exact job
This role asks bilingual English and Dutch speakers to test how AI models respond to sensitive topics in Dutch as used in Belgium. The work combines language fluency with cultural judgment, and no prior AI experience is needed because the workflow is taught on the job.
Posted September 4, 2026
This role involves evaluating and improving the safety of advanced AI models in Finnish as a bilingual English-Finnish speaker. You will apply your language mastery and judgment to examine how these models handle sensitive topics, without requiring prior experience in AI or machine learning.
Posted September 4, 2026
This role consists of evaluating and strengthening the safety of advanced AI models by analyzing their behavior on sensitive topics in Norwegian. You will use your bilingual proficiency (English-Norwegian) and cultural judgment to identify gaps and bypass attempts, with no prior AI experience required.
Posted September 4, 2026
You will participate in improving AI model safety by evaluating how they handle sensitive subjects in Turkish. Your linguistic and cultural judgments will help identify and strengthen weaknesses in these systems when facing delicate content. No prior AI experience is required.
Posted September 4, 2026
You will be hired as a native speaker of Brazilian Portuguese to interact by voice with a next-generation AI assistant and evaluate its responses. You will compose messages, emails and notes via common applications, then rate the quality of the AI interactions in your language.
Posted September 4, 2026
This role asks a humanities scholar to judge and improve how an AI model handles questions in linguistics, history, classical studies, literature, philosophy, ethics, and the arts. The work centers on checking the model's answers against primary sources, flagging errors and unsupported claims, and writing reference answers that separate evidence from interpretation and speculation. It suits candidates with deep scholarly training who write precise, carefully calibrated analysis.
Posted September 3, 2026
This role involves annotating and transcribing PDF pages in Malayalam, identifying document structures and accurately reproducing text in the original script. It is intended for native Malayalam speakers who have mastery of writing and diacritics, and who have experience in annotation, transcription or document revision.
Posted September 2, 2026
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FAQ
189 Language Evaluation AI training jobs are open on SideHustler today. 4 were posted in the last 7 days. Listings are rechecked against the official postings: the latest check on this list was on October 8, 2026.
Among the 170 open roles that publish an hourly rate in USD, pay runs from $8 to $280 per hour, with a median of $33. These are the rates the platforms publish, not a guarantee of income or hours.
Alignerr (61), DataAnnotation (42), micro1 (35), Mercor (29) and xAI (22). You apply on the platform itself, which handles screening, contracts and payment.
The most requested areas of expertise on these listings are Language Evaluation, Multilingual Expertise, Text Annotation, Content Annotation, Audio Quality Assessment. Each listing states its own requirements.
Apply now opens the official posting on the platform, where you complete the application. You need no account on SideHustler. To see which roles fit your background first, add your resume and every open job is scored against your profile.
