Remote AI training jobs for Japanese speakers

Explore remote AI training and data labeling roles that list Japanese as a working-language requirement. OpenTrain hires candidates and may place or refer successful applicants to a client project.

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

Business Account Rater (Multilingual, Google Workspace)

Evaluate AI-generated business email responses using your active Google Workspace inbox and provide structured RLHF feedback in Spanish, Italian, Portuguese, German, Japanese, Korean, or French. Remote contractor role, part-time (20+ hrs/wk typical) for 3–4 months with PST overlap.

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Generative AI & RLHF

Text

Remote · Brazil, France, Germany +4 more

Spanish, Italian +5 more

Part-time · Flexible

Entry level

Posted Jul 26, 2026

Business Account Rater (Gmail Personalization)

Review AI-generated email replies that use business Gmail history and rate them for relevance, personalization, and helpfulness. Contractor role for US-based native speakers of Spanish, Italian, Portuguese, German, Japanese, Korean, or French; flexible hours for a 3–4 month engagement.

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Generative AI & RLHF

Text

Remote · United States

Spanish, Italian +5 more

Part-time · Flexible

Entry level

Posted Jul 25, 2026

AI Quality Analyst — Japanese Personalization

Join OpenTrain to evaluate a new personalization feature in Japanese: design multi-turn prompts, compare paired model responses, and write clear rationales in a remote, 3-month contractor role paying $15/hr with PST overlap.

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Generative AI & RLHF

Text

Remote · Worldwide

Japanese

Part-time · Flexible

Entry level

Hourly · $15/hr

Posted Jul 20, 2026

Business Account Rater (German, Japanese, Korean, French)

Review AI-generated business replies in German, Japanese, Korean, or French and deliver structured feedback that improves personalization and accuracy. Remote contractor role, ~20+ hours/week (min 4 hours/day), 3–4 month engagement; must reside outside the United States and use an active business Gm

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Generative AI & RLHF

Text

Remote · Germany, Japan, France

German, Japanese +2 more

Part-time · Flexible

Entry level

Posted Jul 17, 2026

Japanese Audio Transcription Reviewer

Review AI-generated Japanese transcriptions and diarization for multi-channel, conversational audio—validating timestamps, speaker IDs, and preserving unnormalized speech. Remote, contract work for fluent Japanese speakers with a strong ear; ~20+ hours/week.

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Audio & Speech

Audio

Remote · Worldwide

Japanese

Part-time · Flexible

Entry level

Posted Jul 17, 2026

Japanese Audio Annotation QA Specialist

Join OpenTrain AI as a remote Japanese Audio Annotation QA Specialist to validate multi-channel conversational audio, verbatim transcripts, diarization, timestamps, metadata, and safety checks; requires native Japanese and 20+ hours/week availability.

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Audio & Speech

Audio

Remote · Worldwide

Japanese

Part-time · Flexible

Intermediate level

Posted Jul 17, 2026

Japanese Voice Actor — Remote Freelance

Flexible freelance role recording Japanese voice-overs for characters, dubbing, and localization; requires a demo reel, professional recording setup, and 20+ hours/week availability. Work remote or in-studio on varied AI training projects through OpenTrain.

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Audio & Speech

Audio

Remote · Worldwide

Japanese

Part-time · Flexible

Intermediate level

Posted Jul 17, 2026

Japanese Content Analysis & LLM Trainer

Join OpenTrain to improve LLMs by analyzing Japanese texts: summarize, fact-check, and craft QA scenarios that teach models. Remote part-time contractor role for bilingual Japanese/English contributors, 20+ hours/week with some overlap to US hours.

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Generative AI & RLHF

Text

Remote · Worldwide

Japanese, English

Part-time · Flexible

Entry level

Posted Jul 17, 2026

Business Account Rater — Personalized AI Response Evaluation

Contractor role reviewing AI-generated business replies using real corporate Gmail inboxes; native-level German, Japanese, Korean, or French required. Remote U.S.-based work with flexible hours (typical 4+ hrs/day, target 20+ hrs/week, up to 40 hrs/week), writing structured feedback to improve model

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Generative AI & RLHF

Text

Remote · United States

German, Japanese +2 more

Part-time · Flexible

Entry level

Posted Jul 16, 2026

Business Account Rater (German)

Join OpenTrain to evaluate AI-generated responses for business users using real Gmail account context; native-level German required. Contract, remote role (3–4 months) with flexible hours and a required PST overlap.

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Generative AI & RLHF

Text

Remote · United States

German, Japanese +2 more

Part-time · Flexible

Entry level

Posted Jul 16, 2026

Business Account Rater (German / Japanese / Korean / French)

Review AI-generated business responses for relevance, accuracy, and personalization using real professional email history. Remote contractor role (part-time to full-time) requiring native-level fluency in German, Japanese, Korean, or French and overlap with PST.

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Generative AI & RLHF

Text

Remote · Germany, Japan, South Korea +1 more

German, Japanese +2 more

Part-time · Flexible

Entry level

Posted Jul 16, 2026

Japanese Music AI Evaluation Expert

Join OpenTrain to evaluate AI-generated Japanese music—lyrics, vocal quality, and production—by rating and annotating samples with a detailed musical taxonomy. Remote contractor role, bilingual Japanese/English required, expected 20+ hrs/week and competitive hourly pay.

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Audio & Speech

Audio

Remote · Worldwide

Japanese, English

Part-time · Flexible

Intermediate level

Hourly · $34.72–$62.49/hr

Posted Jul 10, 2026

Japanese Content QA Lead — Remote (Japan), Part-Time

Lead QA for Japanese AI-generated content on OpenTrain: review outputs, coach trainers and QAs, maintain style guides, and help scale quality processes. Contract, 20+ hrs/week, $55/hr, remote within Japan.

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Generative AI & RLHF

Text

Remote · Japan

Japanese

Part-time · Flexible

Entry level

Hourly · $55/hr

Posted Jul 9, 2026

Japanese AI Response Evaluation Specialist

Join OpenTrain as a remote contractor evaluating Japanese AI responses: fact-check, rate outputs, and write model solutions. $40/hr, 20+ hours/week; applicants must be based in Japan with native/near-native Japanese and C1 English.

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Generative AI & RLHF

Text

Remote · Japan

Japanese, English

Part-time · Flexible

Intermediate level

Hourly · $40/hr

Posted Jul 9, 2026

Japanese Marketing Document AI Training Specialist

Join OpenTrain to create, translate, and evaluate Japanese marketing documents for AI training—remote contractor, part-time (20+ hrs/week) with pay from $30–$70/hr. Native Japanese and 3+ years of marketing experience required.

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Translation & Localization

Document

Remote · Worldwide

Japanese

Part-time · Flexible

Entry level

Hourly · $30–$70/hr

Posted Jun 30, 2026

Japanese-English Transcription Specialist — Remote, Part-Time

Join OpenTrain to transcribe and edit Japanese↔English audio and text in a flexible, remote contractor role (20+ hrs/week). Earn $30–$65/hr working on bilingual transcription and translation tasks that improve real AI systems.

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Translation & Localization

Audio

Remote · Worldwide

Japanese, English

Part-time · Flexible

Entry level

Hourly · $30–$65/hr

Posted Jun 30, 2026

Japanese HR Document Review Specialist

Work remotely as a Japanese HR document reviewer, producing and evaluating Word/Excel/PowerPoint HR materials to help train AI systems. Part-time contractor role for US-based candidates (20+ hrs/week) with pay listed up to $55/hour ($10–$55/hr range).

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Writing & Editing

Document

Remote · United States

Japanese

Part-time · Flexible

Entry level

Hourly · $10–$55/hr

Posted Jun 30, 2026

Japanese Business Document Review Specialist

Work remotely reviewing and improving AI-generated business documents in Japanese—provide structured, professional feedback across finance, strategy, marketing, and operations. Part-time contractor role (20+ hrs/week) paying up to $70/hr for experienced business professionals.

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Generative AI & RLHF

Document

Remote · Worldwide

Japanese

Part-time · Flexible

Expert level

Hourly · $30–$70/hr

Posted Jun 30, 2026