Japanese PDF annotation expert mapping document structure and transcribing complex pages for Mercor. Building human-authored training data to improve frontier AI systems.
Responsibilities
Open and check provided PDF annotation tasks
Confirm pages are in Japanese, legible, contain real content, and have no personal details
Identify and bound every meaningful page region
Assign component types and reading-order indexes
Link regions to related figures or tables using parent component identifiers
Transcribe all text faithfully in Japanese script, including kanji, hiragana, katakana, furigana and handwritten content
Flag illegible source regions
Capture language, document type, source, page dimensions, and table, formula and handwriting flags
Review colleagues' work end to end as an experienced annotator
Produce human-authored structural maps and transcriptions for AI training data
Requirements
Native fluency in Japanese
Full command of kanji, hiragana, katakana, furigana and variant character forms
Professional experience in interpretation, journalism, transcription, translation, editorial work, or comparable document-intensive work
Character-level accuracy in Japanese transcription
Ability to apply a taxonomy consistently across hundreds of pages
Comfort with vertical text, multi-column newspapers, exam papers and handwritten forms
Japanese-language document annotation, labeling, grading, bilingual evaluation, transcription, localization, MTPE, subtitling, bilingual QA, OCR correction, post-editing, typesetting, copy-editing, proofreading, digitization, Unicode normalization, Japanese input methods, full-width and half-width forms, and kanji variant handling are nice-to-have specialties
Must be an independent contractor
H1-B and STEM OPT candidates are not supported
Benefits
Fully remote role
Flexible own schedule
Weekly payments via Stripe or Wise
Opportunity to work on projects training and enhancing AI systems
Collaboration with leading researchers
Competitive pay
Referral earnings of up to $140 per successful referral
Japanese PDF annotation and transcription expert mapping document structure and faithfully transcribing published pages. Creating human - authored training data for Mercor’s frontier AI partners.
Japanese PDF annotation expert mapping layouts and transcribing real documents. Creating high - accuracy training data for Mercor’s document AI and frontier - model projects.
Japanese PDF annotator mapping page structure and transcribing Japanese documents. Creating human - authored training data for Mercor’s document AI and frontier model projects.
Japanese PDF annotation expert mapping layouts and transcribing real documents for Mercor’s AI training projects. Ensuring character - level accuracy across complex Japanese pages.
Freelance Japanese Teacher delivering personalized online lessons for Busuu’s global language - learning platform. Teaching corporate clients through 1:1 coaching, needs analysis, and bespoke learning paths.
Japanese PDF annotation and transcription expert mapping document structure and transcribing complex pages. Creating human - authored training data for Mercor’s frontier AI systems.
Japanese PDF annotation and transcription expert mapping page structure and transcribing text for Mercor’s AI training datasets. Fully remote independent contract work focused on high - accuracy Japanese documents.
Japanese PDF annotation and transcription expert creating human - authored training data for Mercor’s document AI projects. Mapping document structure and transcribing Japanese text character by character.
Japanese PDF annotation and transcription expert mapping document structure and faithfully transcribing text. Creating human - authored training data for Mercor’s frontier AI projects.
Japanese PDF annotation and transcription expert creating training data for Mercor’s document AI projects. Structuring pages and transcribing Japanese text for frontier AI models.