Skip to content
OpenTrain AIFor AI Companies

Remote AI training and data labeling jobs in Japan

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

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

Transcription Specialist (French)

Transcribe short French recordings from France for $15 per hour, with about one hour of work each day and a flexible schedule. You will also flag unclear audio and mark segments that cannot be understood confidently.

Audio & Speech
Audio
Remote · Worldwide
French, English
Part-time · Flexible
Entry level
Hourly · $15/hr

Posted Jan 7, 2026

Mechanical Engineering AI Trainer

Create difficult mechanical engineering problems and verified Python solutions to train and evaluate advanced AI models. This part-time contract pays $10 to $45 per hour and requires advanced English and Python.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Intermediate level
Hourly · $10–$45/hr

Posted Dec 12, 2025

Senior Data Science AI Task Designer

Design difficult, realistic data science problems for AI training and evaluation. This part-time contract pays $50 per hour and requires advanced Python, SQL, statistics, machine learning, and technical writing skills.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $50/hr

Posted Dec 3, 2025

AI Red Team Engineer for LLMs

Test AI models and agents for security weaknesses, build repeatable red-team tools, and document clear findings. This remote contract pays $40 per hour for fewer than 20 hours per week.

Generative AI & RLHF
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Intermediate level
Hourly · $40/hr

Posted Nov 17, 2025

AI Red Team Engineer for LLM Security

Work remotely as an AI Red Team Engineer testing LLMs, agents, and RAG systems for security weaknesses. This contract role pays $40 per hour and requires C1 English plus hands-on cybersecurity experience.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Intermediate level
Hourly · $40/hr

Posted Oct 6, 2025

Automotive Engineering AI Trainer and QA Reviewer

Review and improve AI prompts and responses across vehicle dynamics, powertrain, controls, embedded systems, ADAS, and manufacturing. This worldwide contract pays $40 per hour for less than 20 hours per week.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40/hr

Posted Oct 1, 2025

What this work can involve

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.

  • Possible work areas include image and video annotation, language tasks, search evaluation, response review, and code review.
  • The live posting explains the responsibilities and eligibility for that particular assignment.

How hiring works through OpenTrain

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.

  • Apply through OpenTrain for the role you are considering.
  • Review the posting carefully for its applicant-location rules and other requirements.

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 assignment, tasks may include 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 individual posting explains the actual responsibilities.
Where can I find role-specific details?
The individual live posting is the only source of truth for eligibility, responsibilities, qualifications, experience, pay, hours, schedule, location rules, and client-specific requirements. Check each posting to confirm whether applicants located in Japan can apply and to understand the details of that role.
How does hiring work through OpenTrain?
OpenTrain is the hiring organization for roles available through OpenTrain. Candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support, while the individual posting provides the role-specific information.