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Data & AI
› AI Language Training
AI Language Training
1,223 open positions
Audio Annotation Trainer - Arabic
Careerflow.ai
Remote
Record voice-overs with clarity, emotion, and appropriate pacing to bring characters and stories to life across various domains.
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Assamese Language Voice Actor – Voice Recording Project
Careerflow.ai
Remote
Record short, natural scripted conversations and dialogues for sales and customer service scenarios to develop voice-based technology.
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Data Specialist, Russian Market - KL
TikTok
Kuala Lumpur, Malaysia
Bridge between ML engineers and labellers to ensure accurate structuring of unstructured Russian content (video, images, text) for model training.
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🌍 STEM Expert, Remote - Contract
Xperteez Technology
Remote
Validate AI-generated scientific and mathematical solutions by solving complex domain-specific problems and developing reference solutions.
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Video Annotation Specialist | Remote - Contract
Xperteez Technology
Remote
Review and annotate short video and audio clips to train AI systems for analysis and reasoning.
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Technical Writer/ Editor - Remote , Contract
Xperteez Technology
Remote
Evaluate and compare AI-generated responses to writing prompts, providing analytical quality scores and detailed rationales to help train next-generation AI systems.
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🌍 Subject Matter Expert – Chart & Data Visualization Analysis, Remote - Contract
Xperteez Technology
Remote
Interpret domain-specific charts and design quantitative reasoning tasks to train AI systems.
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Senior Journalist / Writer
Xperteez Technology
Remote
Evaluate AI-generated writing for quality, accuracy, tone, and structure; create reference pieces defining excellent output; provide editorial feedback and rewrites to shape writing standards for AI systems.
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Content Quality and Evaluation Specialist - AI Data Service Operations
TikTok
Ho Chi Minh City, Vietnam
Develop operational guidelines, create and validate testing sets, and analyze high-risk content cases to ensure enforcement accuracy and consistency for international AI products.
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Product Manager/Product Owner | Remote - Contract
Xperteez Technology
Remote
Evaluate and analyze AI-generated responses to writing prompts to train next-generation AI systems, focusing on clarity, tone, instruction adherence, and factual accuracy.
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Senior Book Editor | Remote - Contract
Xperteez Technology
Remote
Senior Book Editor training next-generation AI systems by applying expertise to elevate editorial standards across diverse manuscripts.
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🌍 Open Source GitHub Maintainer, Remote- Contract
Xperteez Technology
Remote
Evaluate code patches generated by LLMs and provide detailed feedback to train next-generation AI systems.
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🌎 Math Expert (PhD), Remote - Contract
Xperteez Technology
Remote
Develop and provide accurate, insightful responses to complex mathematics prompts spanning undergraduate and graduate curricula for AI training.
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LLM Trainer - Agent Function call
Xperteez Technology
Remote
Simulate high-quality multi-turn conversations between users and AI assistants utilizing function-calling tools to generate proprietary data for fine-tuning and benchmarking foundational LLMs.
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PhD & Academic Expert, Remote - Contract
Xperteez Technology
Remote
Evaluate AI model responses for accuracy, depth, and reasoning quality; create expert-level prompts, reference answers, and detailed critiques to define performance standards for AI systems.
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Linguistics Specialists | Remote - Contract
Xperteez Technology
Remote
Evaluate AI-generated written content for accuracy, clarity, coherence, and adherence to guidelines to improve next-generation AI systems.
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TikTok LIVE - AI Data Operation Specialist (Thai Speaking)
TikTok
Singapore
Lead quality initiatives in content moderation for TikTok LIVE by leveraging human labeling and machine learning models, including LLMs, to uphold content quality and train AI systems.
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Gmail & Google Calendar AI Assistant Evaluator, Remote- Contract
Xperteez Technology
Remote
Evaluate and train next-generation AI assistants by performing real-world digital tasks like email management, calendar scheduling, and online bookings, then grading their accuracy and completeness.
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Content Quality Specialist - Korean
TikTok
Kuala Lumpur, Malaysia
Constructing and iterating Golden Sets for content safety, analyzing high-risk cases, and establishing SOPs to improve AI model performance and human review quality.
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Education & Tutoring Expert, Remote- Contract
Xperteez Technology
Remote
Simulate realistic one-on-one tutoring and educational conversations to train next-generation AI systems.
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Data Scientist, Remote - Contract
Xperteez Technology
Remote
Evaluate AI model outputs on data science, statistics, ML, and quantitative problems; create expert-level prompts, datasets, and reference solutions; identify flawed methodology and statistical errors.
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Data Entry Keyer | Remote - Contract
Xperteez Technology
Remote
Design and produce expert-level evaluation tasks, datasets, and grading rubrics to train and benchmark AI agents on data entry and validation.
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🇺🇸 Career Coach, Remote - Contract
Xperteez Technology
Remote
Simulate realistic one-on-one career coaching conversations to train next-generation AI systems.
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Bilingual Mental Health Expert - Remote | Contract
Xperteez Technology
Remote
Bilingual mental health expert training next-generation AI systems with nuanced psychological expertise.
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Audio Annotation Trainer - English (US)
Careerflow.ai
Remote
Record voice-overs with clarity, emotion, and appropriate pacing to bring characters and stories to life for AI projects.
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教育测评数据标注员(高中数学) - 豆包爱学
ByteDance
济南
Ensuring accuracy of high school math test answers and evaluating the quality of AI-generated content (AIGC) for educational products.
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French - Business Analyst P0 Evals
Careerflow.ai
Remote
Evaluate the quality of AI-generated responses for professional users using personal business email history to assess relevance, accuracy, and personalization.
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内容质量与评估专家(西班牙语方向) - TikTok
ByteDance
上海
Build and iterate the core content safety evaluation dataset (Golden Set) to provide high-accuracy ground truth for platform safety strategies, AI model evaluation, and global execution teams.
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内容质量与评估专家(德语方向) - TikTok
ByteDance
上海
Build and iterate the core content safety evaluation dataset (Golden Set) to provide high-accuracy ground truth for platform safety strategies, AI model assessment, and global execution teams.
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内容质量与评估专家(韩语方向) - TikTok
ByteDance
上海
Build and iterate the core content safety evaluation dataset (Golden Set) to provide high-accuracy ground truth for platform safety strategies, AI model assessment, and global execution teams.
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内容质量与评估专家(阿拉伯语方向) - TikTok
ByteDance
上海
Build and iterate the core content safety evaluation dataset (Golden Set) to provide high-accuracy ground truth for platform safety strategies, AI model assessment, and global execution teams.
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内容质量与评估专家(泰语方向) - TikTok
ByteDance
上海
Build and iterate the core content safety evaluation dataset (Golden Set) to provide high-accuracy ground truth for platform safety strategies, AI model assessment, and global execution teams.
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内容质量与评估专家(印尼语方向) - TikTok
ByteDance
上海
Build and iterate the core content safety evaluation dataset (Golden Set) to establish high-accuracy ground truth for platform safety strategies and AI model assessment.
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Indonesian Data Annotator
Careerflow.ai
Remote
$0k–$0k
Review and annotate Indonesian content (text and images) to train AI systems.
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AI评估专家(兼职/顾问)-医美行业
ByteDance
上海
Design evaluation standards and annotate data for a medical aesthetics AI bot to ensure compliance and optimize model alignment.
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🌍 Content Writer & Editor, Remote- Contract
Xperteez Technology
Remote
Evaluate and edit text content to train next-generation AI systems, ensuring high-quality input for model learning and reasoning.
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语音大模型数据专家(国际化数据) - AI数据与安全
ByteDance
上海
Manage end-to-end production of multilingual training data for large language models, focusing on Spanish, Portuguese, Russian, Arabic, and Malay, ensuring quality and cultural adaptation.
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算法评测工程师-AI智能化方向
ByteDance
深圳
Build an end-to-end algorithm evaluation system from a user perspective for ByteDance's AI product line, focusing on quality assurance and standardized testing schemes.
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教育测评数据标注员(物理)-豆包爱学
ByteDance
济南
Evaluate answer accuracy and analysis quality for science exam questions across various educational stages in China to ensure data labeling standards are scientific and compliant.
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About the job
SK Group
Advanced Materials
Generate, curate, and review data to improve model inference capabilities and evaluate foundation model performance.
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教育测评数据标注员(语文)-豆包爱学
ByteDance
济南
Evaluate answer accuracy and parsing quality for domestic education questions at various stages to ensure data annotation standards are scientific and compliant.
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专业谣言研判(泛健康方向) - 抖音内容运营
ByteDance
北京
Evaluate authenticity of general health content on Douyin, conduct research on content phenomena, and apply verification results to business scenarios and large model training.
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生物&化学教研-豆包爱学
ByteDance
北京
Optimize AI education product features and user experience for biology and chemistry subjects; build content standards and produce high-quality annotated data for model training and evaluation.
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模型搜索专项运营 - AI数据与安全
ByteDance
成都
Specialized operations for international large model search, collaborating with algorithm, product, and engineering teams to optimize search performance and data quality.
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Japanese Data Annotator
Careerflow.ai
Remote
$0k–$0k
Review and annotate text and image content (articles, screenshots, ads) to train AI systems.
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Kannada Language Voice Actor – Voice Recording Project
Careerflow.ai
Remote
Record short, natural scripted conversations in Kannada for sales and customer service scenarios to train voice-based technology.
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语音大模型语言专家(语音理解方向) - AI数据与安全
ByteDance
上海
Build data production and evaluation systems for speech large language models, focusing on NLP/ASR research and business implementation.
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语音大模型数据专家(国际化数据) - AI数据与安全
ByteDance
北京
Lead end-to-end management of training data for large language models across multiple languages (Spanish, Portuguese, Russian, Arabic, Malay, etc.), establishing annotation frameworks and quality standards tailored to linguistic nuances.
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高中语文教研 - 豆包爱学
ByteDance
北京
Design AI-powered Chinese language learning products and optimize model performance for the Chinese subject.
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Content Quality and Evaluation Project Intern (AI Data Service Operations) - 2026 Start
TikTok
Ho Chi Minh City, Vietnam
Designing and adjudicating high-quality training and evaluation data for generative AI and large language models to support global content ecosystem governance.
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