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Japanese Document Annotation Specialist - AI Trainer

Mercor

Role overview

Qualifications

  • Native fluency in Japanese with full command of kanji, hiragana, and katakana.
  • Professional experience in interpretation, journalism, transcription, translation, or editorial work.
  • Exact character-level accuracy.
  • Systematic application of taxonomy across pages.

Responsibilities

  • Open and check tasks. Confirm pages are in Japanese, legible, have real content, and show no personal details.
  • Annotate structure. Identify and bound every meaningful region of the page, assigning each a component type and reading-order index.
  • Record relationships. Link each region to its figure or table through a parent component identifier.
  • Transcribe faithfully. Reproduce all text exactly as it appears, including kanji, hiragana, katakana, and handwritten content.

Key facts

Hard skills

Other skills

  • Digitization
  • Detail Oriented

About the company

Mercor logo

Mercor

Job Boards & Talent Marketplaces

Our vast talent network trains frontier AI models in the same way teachers teach students: by sharing knowledge, experience, and context that can't be captured in code alone. Today, more than 30,000 experts in our network collectively earn over $2 million a day.

Company details

IndustryJob Boards & Talent Marketplaces
Company size51 - 200

Links

Website LinkedIn See all jobs

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Job description

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Position: PDF Annotation & Transcription Experts – Japanese
Type: Contract
Compensation: $31/hour
Location: Remote

Role Responsibilities

  • Open and check tasks. Confirm pages are in Japanese, legible, have real content, and show no personal details.
  • Annotate structure. Identify and bound every meaningful region of the page, assigning each a component type and reading-order index.
  • Record relationships. Link each region to its figure or table through a parent component identifier.
  • Transcribe faithfully. Reproduce all text exactly as it appears, including kanji, hiragana, katakana, and handwritten content.
  • Capture page metadata. Include language, document type, source, page dimensions, and flags for tables, formulas, and handwriting.
  • Review a colleague's work. Every task is reviewed end to end by a second Japanese expert.

Qualifications

Must-Have

  • Native fluency in Japanese with full command of kanji, hiragana, and katakana.
  • Professional experience in interpretation, journalism, transcription, translation, or editorial work.
  • Exact character-level accuracy.
  • Systematic application of taxonomy across pages.
  • Comfort with unfamiliar layouts like vertical text and multi-column newspapers.

Preferred

  • Experience with AI training data annotation, labeling, or bilingual evaluation.
  • Skills in transcription and localization, including MTPE, subtitling, and OCR correction.
  • Document production experience in typesetting, copy-editing, or digitization of Japanese material.
  • Knowledge of script and encoding, including Unicode normalization and Japanese input methods.

Application Process (Takes 20–30 mins to complete)

  • Upload resume
  • AI interview based on your resume
  • Submit form

Resources & Support

  • For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome
  • For any help or support, reach out to: support@mercor.com

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.



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