Open AI training and model evaluation roles that call for Content Annotation expertise, gathered from 6 platforms. Part of Languages, Translation & Voice.
Pay figures cover the 212 open jobs that publish an hourly rate in USD. They are published rates, not a guarantee of income. Last checked on October 8, 2026.
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 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.
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 high-quality French voice samples and evaluating AI-generated speech for naturalness and expressiveness. The contractor will provide feedback to refine AI voice outputs and review scripts for clarity, supporting the development of frontier AI models.
This role involves recording high-quality voice samples in Italian and evaluating AI-generated speech outputs for naturalness and expressiveness. Contractors will provide feedback to refine AI voice synthesis and review scripts for clarity, working flexibly on an asynchronous schedule to help develop frontier AI speech technology.
This role involves recording high-quality Saudi Arabic voice samples and evaluating AI-generated speech to help train and improve AI voice models. The position is ideal for native or near-native Saudi Arabic speakers with voice acting or narration experience who can provide constructive feedback on pronunciation, tone, and naturalness.
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.
Lead a team of Spanish-speaking business analysts creating high-quality training content for AI models across finance, strategy, and economics domains. This remote role combines people management, domain expertise, and content development for an AI training platform, requiring business analysis experience and team leadership skills.
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.
Transcribe and evaluate aviation air traffic control communications audio recordings, identifying and correcting transcription errors while providing feedback on audio quality. This role is ideal for aviation professionals or transcription specialists with expertise in ATC communications and attention to detail.
This role involves evaluating audio recordings for quality, clarity, and accuracy to support AI training. Reviewers will assess recordings for technical issues like noise and distortion, verify transcription accuracy, and provide detailed feedback using evaluation tools, working independently on a flexible schedule.
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.
Audio Transcription Specialists convert real audio recordings into accurate written text to power speech recognition and language models. This fully remote, flexible contract role is open to anyone with strong listening skills and attention to detail, with no professional transcription background required.
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.
Lead a team of business analysts creating high-quality content to train AI models on business strategy, finance, and operations. This role combines team management, quality assurance, and analytical expertise to develop materials that teach AI systems professional reasoning across multiple business domains.
This role involves leading and mentoring teams of business analysts who create high-quality training content for AI models, with a focus on business, finance, strategy, and operations domains. The position requires strong team management and business analysis expertise to oversee content quality, provide performance feedback, and serve as the stakeholder point of contact for remote contract work.
This role involves evaluating and improving AI systems that handle advanced chemistry problems by designing rigorous test cases and assessing the accuracy and reasoning quality of AI-generated solutions. Chemistry experts with Master's-level knowledge will work remotely to help AI systems better understand and reason through chemistry across multiple subdisciplines.
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FAQ
227 Content Annotation AI training jobs are open on SideHustler today. 6 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 212 open roles that publish an hourly rate in USD, pay runs from $8 to $400 per hour, with a median of $41. These are the rates the platforms publish, not a guarantee of income or hours.
micro1 (82), Alignerr (69), Mercor (33), DataAnnotation (28), xAI (14) and Terac (1). You apply on the platform itself, which handles screening, contracts and payment.
The most requested areas of expertise on these listings are Content Annotation, Multilingual Expertise, Language Evaluation, Text Annotation, AI Evaluation. 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.
