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.
This role involves evaluating and improving AI systems designed for Chinese language learning by assessing the linguistic accuracy, naturalness, and educational quality of AI-generated speech and text, as well as learner output across proficiency levels. The position is ideal for Chinese language experts with teaching or evaluation experience who want to directly influence how AI understands and teaches Chinese.
Evaluate and improve AI systems trained on French-language content by assessing the linguistic accuracy, naturalness, and educational quality of AI-generated French speech and text. This role is for French language experts with teaching backgrounds who will provide structured feedback to enhance AI tutoring and language-learning models for learners at various proficiency levels.
This role involves evaluating and improving AI systems trained on Italian-language content by assessing the linguistic accuracy and naturalness of AI-generated speech and text, as well as evaluating learner language across proficiency levels. The position is ideal for Italian language experts with teaching experience who want to shape how AI understands and teaches Italian.
This role involves evaluating and improving AI systems trained on Japanese-language content by assessing the linguistic accuracy, naturalness, and educational quality of AI-generated speech and text. Native Japanese speakers with teaching or language evaluation experience will provide expert feedback to enhance AI tutoring and language-learning models.
Evaluate and improve Korean language AI systems by assessing AI-generated speech and text, as well as learner language across proficiency levels. This role combines linguistic expertise with educational knowledge to refine AI tutoring and language-learning models through detailed, structured feedback.
This role involves evaluating and improving AI systems trained on Portuguese by assessing AI-generated speech and text, as well as learner language across proficiency levels. Native Portuguese speakers with teaching or assessment experience will provide linguistic expertise and pedagogical insights to enhance AI language understanding and educational quality.
This role involves recording Spanish voice samples, evaluating AI-generated speech outputs, and providing feedback to improve AI voice systems. It is designed for native or near-native Spanish speakers with voice acting or narration experience who can work remotely on a flexible contract basis.
Arabic language experts evaluate and improve AI systems trained on Arabic content by reviewing translations and generated text for accuracy, fluency, and cultural appropriateness. The role is suited for native or near-native Arabic speakers from any professional background who want to influence how AI understands and communicates in Arabic.
This role involves evaluating and improving AI systems trained on Arabic-language content. Arabic language experts will review AI-generated text for linguistic accuracy, cultural appropriateness, and natural phrasing, providing structured feedback to enhance how AI communicates with Arabic speakers worldwide.
This role involves reviewing and correcting machine-generated audio transcripts in Brazilian Portuguese to ensure accuracy, proper formatting, and precise timestamps. The position is ideal for detail-oriented professionals with native-level Portuguese proficiency and strong listening skills who want to contribute to AI training projects.
This role involves evaluating and improving AI systems trained on Bengali-language content by reviewing AI-generated translations and original content for accuracy, naturalness, and cultural appropriateness. Native or near-native Bengali speakers will provide linguistic feedback to shape how AI understands and communicates in Bengali across various contexts.
This role involves reviewing and correcting machine-generated audio transcripts in Brazilian Portuguese for AI training purposes. Native speakers with strong listening skills will edit transcripts for accuracy, apply formatting guidelines, and ensure precise timestamps in a fully remote, flexible contract position.
This role involves creating high-quality transcriptions of spoken Brazilian Portuguese audio to train AI systems. The transcriptionist will work with naturally-occurring speech including multiple speakers, background noise, and colloquial expressions, applying detailed formatting guidelines and quality standards.
This role involves evaluating and improving AI systems' understanding and generation of Czech-language content. You will review AI-generated Czech translations and original content, identify linguistic issues, and provide structured feedback to enhance the quality and cultural appropriateness of AI outputs in Czech.
This role involves evaluating and improving AI systems' understanding of Danish language by reviewing AI-generated translations and original content. Danish language experts will assess linguistic accuracy, naturalness, cultural appropriateness, and provide detailed feedback to shape how AI communicates in Danish.
This role involves transcribing English audio recordings into accurate, formatted text to help AI systems learn to process human speech. The position is ideal for native English speakers with strong listening and writing skills who can work independently on a flexible, remote basis without requiring prior transcription or AI experience.
This role involves listening to Japanese audio recordings and producing accurate transcriptions to train AI speech recognition systems. The position is ideal for native or near-native Japanese speakers, particularly those in Brazil, who want to contribute to advancing how AI understands spoken Japanese.
This role involves evaluating and improving AI systems trained on Filipino-language content by reviewing translations and generated text for accuracy, naturalness, and cultural appropriateness. Filipino language experts will provide detailed linguistic feedback to shape how AI understands and communicates in Filipino across diverse contexts and registers.
This remote freelance role involves checking French audio recordings against existing transcripts and correcting spelling, punctuation, speaker labels and timing. It is aimed at native French speakers with a sharp ear and strong attention to detail who can follow detailed style rules and work independently. No prior AI background is required.
This remote contract role asks French voice talent to record clear audio from provided scripts and to judge AI-generated French speech for naturalness, accuracy and flow. It suits experienced voice actors and narrators with native or near-native French, and no prior AI experience is needed.
Add your resume once. Every open job is scored against your profile, and we email you only when a strong match appears. Free.
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.
