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Remote AI training and data labeling jobs in China

Find remote AI training and data labeling jobs open to applicants in China.

  • 100% remote
  • Flexible hours
  • Hourly / per-task pay
  • 7 open roles

LLM Code Evaluation Engineer

Evaluate large language models on real coding problems, inspect open-source repositories, and test bug-fixing tasks locally. This contract role is open worldwide, requires English, and offers 20 or more hours per week.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Jul 16, 2026

Math LLM Training Analyst

Create and evaluate mathematical reasoning content for language models. Analyze problems, validate claims, and explain solutions clearly in a remote contract role requiring 20+ hours each week.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Jul 16, 2026

Python AI Model Evaluation Developer

Evaluate large language model responses, write Python solutions, and create training data in a fully remote one-month contract. Commit to 20, 30, or 40 hours per week with Pacific Time overlap.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Jul 16, 2026

AI Model Evaluation Data Scientist

Evaluate AI models, rank responses, build fine-tuning datasets, and write Python solutions in a fully remote data science contract. Choose 20, 30, or 40 hours per week with four hours of daily Pacific Time overlap.

Generative AI & RLHF
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Jul 16, 2026

AI Response Evaluator (Portuguese)

Evaluate Portuguese AI responses for natural, accurate personalization in realistic conversations. This three-month contractor role pays $15 per hour and offers 20 or more hours per week.

Generative AI & RLHF
Text
Remote · Worldwide
Portuguese
Part-time · Flexible
Entry level
Hourly · $15/hr

Posted Jul 15, 2026

AI Personalization Evaluator (German)

Review German-language AI conversations, test how models use personal context, and compare responses for accuracy and naturalness. This remote contractor role pays $15 per hour and requires 20+ hours per week.

Generative AI & RLHF
Text
Remote · Worldwide
German
Part-time · Flexible
Intermediate level
Hourly · $15/hr

Posted Jul 15, 2026

Quality Assurance Lead (Thai)

Review AI-generated Thai content and trainer work for grammar, meaning, tone, and cultural fit. This remote contractor role pays $25 to $30 per hour and requires 20+ hours weekly.

Generative AI & RLHF
Text
Remote · Cambodia, China, Thailand +2 more
Thai, English
Part-time · Flexible
Entry level
Hourly · $25–$30/hr

Posted Jul 9, 2026

Senior Python AI Response Reviewer

Review AI-generated Python solutions and technical explanations for correctness, code quality, performance, and reasoning. Earn $60 per hour with 20+ hours weekly and use C1 English and Chinese.

Coding & Software
Text
Remote · Bangladesh, Bhutan, Brazil +18 more
English, Chinese
Part-time · Flexible
Expert level
Hourly · $60/hr

Posted Jul 9, 2026

Traditional Chinese-Speaking AI Evaluation Expert

Review AI responses for accuracy, reasoning, prompt adherence, and Traditional Chinese localization. This remote contract role pays $25 to $35 per hour, requires 20+ hours weekly, and is open to candidates in China, Macao, and Taiwan.

Generative AI & RLHF
Text
Remote · China, Macao, Taiwan
Traditional Chinese, English
Part-time · Flexible
Entry level
Hourly · $25–$35/hr

Posted Jul 8, 2026

Simplified Chinese-Speaking QA Lead

Review AI-generated Simplified Chinese content and trainer QA work for Mainland China projects at $35 per hour. This remote contract role requires 20+ hours weekly, strong Chinese and English skills, and experience with content or AI quality review.

Generative AI & RLHF
Text
Remote · China
Chinese
Part-time · Flexible
Expert level
Hourly · $35/hr

Posted Jul 8, 2026

Document Data Extraction Specialist

Review PDF and DOCX files, correct AI-generated extraction drafts, and produce accurate structured data for legal, finance, accounting, and compliance documents. This part-time contractor role pays $8 to $11.20 per hour and requires less than 20 hours per week.

Legal & Finance
Document
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $8–$11.2/hr

Posted May 14, 2026

Accounting Finance Document Annotation Specialist

Review financial PDFs, correct OCR, label document regions, and structure tables and key-value fields for AI training. Earn $7 to $9 per hour with 20 or more hours per week.

Legal & Finance
Document
Remote · Worldwide
English
Part-time · Flexible
Intermediate level
Hourly · $7–$9/hr

Posted Apr 27, 2026

Image Quality Scoring

Rate image quality metrics and image quality assessment tools in a remote, part-time contract role. Work 20 or more hours per week for $5 to $7 per hour.

Image & Video Annotation
Image
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $5–$7/hr

Posted Apr 15, 2026

Computer Science Expert Python Validation

Use Python to validate AI-generated computer science solutions, assess multi-step reasoning, and design rigorous problems. This project-based expert role pays $15-$40 per hour and is open worldwide.

Coding & Software
Text
Remote · Worldwide
English
Part-time · Flexible
Expert level
Hourly · $15–$40/hr

Posted Apr 5, 2026

Data Science Expert, Python, SQL And GenAI

Design and verify realistic, computational data science problems using Python, SQL, statistics, machine learning, and GenAI. This project-based contractor role pays $15 to $40 per hour and is open worldwide.

Coding & Software
Text
Remote · Worldwide
English
Part-time · Flexible
Expert level
Hourly · $15–$40/hr

Posted Apr 5, 2026

Machine Learning Expert, Python, GenAI And SQL

Create and verify challenging computational machine learning and STEM problems using Python, statistics, SQL, and modern GenAI tools. This global, project-based contract role is for experienced specialists who can work in clear written English.

Coding & Software
Text
Remote · Worldwide
English
Part-time · Flexible
Expert level
Hourly · $15–$40/hr

Posted Apr 5, 2026

AI Infrastructure Automation Engineer

Help train and evaluate AI systems for infrastructure design, DevOps automation, reliability, and high-volume workflows. This worldwide contract role pays $15 to $45 per hour and requires 20+ hours weekly.

Coding & Software
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$45/hr

Posted Mar 29, 2026

Low-Code Developer Automation And JavaScript

Build and review advanced automation workflows, JavaScript logic, and AI-generated solutions for systems that use APIs and webhooks. This worldwide contract pays $15-$45 per hour and requires 20+ hours each week.

Coding & Software
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$45/hr

Posted Mar 29, 2026

Integration Developer API Specialist

Evaluate how AI systems design API integrations between CRMs, ad platforms, email tools, and databases. This worldwide contractor role pays $15-$45 per hour and requires 20+ hours weekly.

Coding & Software
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$45/hr

Posted Mar 29, 2026

AI Workflow Engineer, LLM Integration And Prompt Engineering

Build, test, and improve large language model workflows for content, communication, and personalized outreach. This worldwide contractor role pays $15 to $45 per hour and requires at least 20 hours each week.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$45/hr

Posted Mar 29, 2026

n8n Workflow Developer for AI Automation

Build and evaluate advanced self-hosted n8n workflows for AI training, integrations, scraping, and automation. This global contract pays $15-$45 per hour and requires 20+ hours each week.

Coding & Software
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$45/hr

Posted Mar 29, 2026

No-Code Automation Specialist Zapier Make

Use Zapier and Make.com to create, test, and improve workflow automation tasks that help train and evaluate AI systems. This part-time contract role offers 20+ hours per week and pays $15 to $45 per hour.

Coding & Software
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$45/hr

Posted Mar 29, 2026

Financial Mathematics Expert Python Quant Finance

Create and verify advanced Python problem sets for quantitative finance, covering stochastic processes, optimization, simulation, time series, and risk modeling. This worldwide contract role pays $15 to $60 per hour for 20+ hours per week.

Legal & Finance
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$60/hr

Posted Mar 29, 2026

Statistics Expert Python Degree Required

Design research-style computational statistics problems, verify solutions in Python, and document reproducible answers. This contract role requires a degree and offers $15 to $60 per hour.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$60/hr

Posted Mar 29, 2026

Biology Expert for AI Training With Python

Create original biology research problems that require serious reasoning and Python-based verification. This worldwide, part-time contract pays $15-$60 per hour and suits professionals with a relevant degree.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$60/hr

Posted Mar 29, 2026

Computational Chemistry Problem Designer

Create advanced computational and quantum chemistry problems, verify solutions with Python and chemistry libraries, and model real research workflows. This part-time contractor role requires a PhD and offers $15 to $60 per hour based on task complexity.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$60/hr

Posted Mar 29, 2026

Physics Expert Python Research Experience

Create challenging computational physics problems and verify reproducible Python solutions across mechanics, electromagnetism, thermodynamics, and quantum mechanics. This global, part-time contract role pays $15 to $60 per hour.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$60/hr

Posted Mar 29, 2026

Mathematics Expert Python Degree Required

Design original, research-style mathematics problems and verify complete solutions in Python. This part-time contract role requires an advanced mathematics background, a degree, and at least 20 hours per week.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Expert level
Hourly · $15–$60/hr

Posted Mar 29, 2026

Mechanical Engineering Problem Author

Create realistic mechanical engineering problem sets and fully verified Python solutions for AI training. This part-time contract role pays $15 to $50 per hour and requires at least 20 hours per week.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$50/hr

Posted Mar 29, 2026

Electrical Engineering Python Contributor

Create and verify realistic electrical engineering problems, writing clear prompts and reproducible Python solutions. This worldwide contract role pays $15 to $50 per hour and requires an electrical engineering degree plus relevant experience.

Coding & Software
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$50/hr

Posted Mar 29, 2026

What this work can involve

AI training is human work that helps prepare and review examples used by artificial-intelligence systems. Depending on the individual role, data labeling may involve annotating images or video, transcribing or recording audio, writing or rating model responses, evaluating search results, translating text, reviewing code, or applying subject-matter knowledge. The actual responsibilities vary by posting, so consult the live listing for the opportunity you are considering.

  • Look for the specific type of data or content named in each posting.
  • Check the individual live posting for its eligibility, responsibilities, and requirements.
  • Treat the live posting as the source of truth for client-specific details.

How hiring works through OpenTrain

OpenTrain is the hiring organization for roles on OpenTrain that list China among their eligible applicant locations. Candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support. Consult each individual live posting for all other details about the role and its requirements.

  • Apply through OpenTrain for a role whose posting lists China as an eligible applicant location.
  • Read the individual posting for its stated eligibility and requirements.
  • Use the live posting as the source of truth for role-specific details.

Frequently asked questions

What can this work involve?
Remote AI training and data labeling work can involve preparing or reviewing examples for artificial-intelligence systems. Depending on the individual posting, tasks may include labeling images or video, transcribing or recording audio, writing or rating model responses, evaluating search results, translating text, reviewing code, or applying subject-matter knowledge. The live posting defines the actual responsibilities.
Where can I find role-specific details?
Find role-specific details in the individual live posting. It is the only source of truth for eligibility in China, responsibilities, qualifications, experience, pay, hours, schedule, location rules, and client-specific requirements. Review that information before applying through OpenTrain.
How does hiring work through OpenTrain?
OpenTrain is the hiring organization for roles on OpenTrain, and candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support. Consult the individual live posting for every other role-specific detail.