Find remote AI training and data labeling jobs open to applicants in Japan.
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.
Posted Jul 15, 2026
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.
Posted Jul 15, 2026
Review Japanese AI-generated content and trainer QA work for $55 per hour while helping improve guidelines, feedback, onboarding, and quality processes. The role is open to candidates in Japan and requires 20 or more hours each week.
Posted Jul 9, 2026
Review and rank Japanese AI responses, fact-check content, and write model solutions for $40 per hour. This part-time contract requires fluent Japanese, C1 English, and localization experience.
Posted Jul 9, 2026
Build and improve machine learning models remotely using Python, MongoDB, large datasets, and model evaluation methods. This contractor role pays $80 to $140 per hour and is open to candidates in many countries.
Posted Jul 3, 2026
Build backend services, RESTful APIs, and MySQL systems in a remote contract role using C# and .NET. The role pays $60 to $110 per hour and is open to candidates in 52 countries.
Posted Jun 28, 2026
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.
Posted May 14, 2026
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.
Posted Apr 27, 2026
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.
Posted Apr 15, 2026
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.
Posted Apr 5, 2026
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.
Posted Apr 5, 2026
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.
Posted Apr 5, 2026
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.
Posted Mar 29, 2026
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.
Posted Mar 29, 2026
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.
Posted Mar 29, 2026
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.
Posted Mar 29, 2026
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.
Posted Mar 29, 2026
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.
Posted Mar 29, 2026
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.
Posted Mar 29, 2026
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.
Posted Mar 29, 2026
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.
Posted Mar 29, 2026
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.
Posted Mar 29, 2026
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.
Posted Mar 29, 2026
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.
Posted Mar 29, 2026
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.
Posted Mar 29, 2026
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.
Posted Mar 29, 2026
Design realistic civil engineering problems, write complete solutions, and verify them with Python. This part-time contractor role pays $15 to $50 per hour and requires 20+ hours each week.
Posted Mar 29, 2026
Build and manage Python scraping workflows for complex, JavaScript-heavy websites. This remote contractor role pays $20 per hour and requires 20 or more hours each week.
Posted Feb 26, 2026
Transcribe short Japanese audio clips with careful, accurate listening and flexible weekday scheduling. This Japan-based contract pays $15 per hour and offers ongoing work of about one hour per day.
Posted Feb 5, 2026
Design realistic tests for AI agents, define expected behavior, and review model outputs in a structured writing role. Work worldwide for 20 or more hours per week at $18-$24 per hour.
Posted Jan 13, 2026
AI training is the human work used to prepare and review examples for artificial-intelligence systems. Depending on the assignment, work may involve 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. For roles open to applicants located in Japan, read each posting to understand the specific task and requirements.
OpenTrain is the hiring organization for the public roles available through OpenTrain. Candidates apply through OpenTrain, and successful candidates may be placed or referred to the client whose project they will support. Because eligibility and other terms can differ by assignment, use the individual posting as the source for role-specific information.
