Document Annotation Specialist (Japanese) for AI Training Data
Job Description
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About the Role
The role focuses on creating high-quality training data for AI models, specifically for languages like Japanese that are less frequently encountered by parsing and vision-language models. The project involves annotating real, publicly available PDF pages to produce a structural map and transcription of every text region.
The dataset emphasizes challenging document types such as handwritten content, dense multi-column layouts, vertical text, tables, diagrams, and mixed-script pages. Documents include newspapers, textbooks, examinations, flyers, forms, manuals, menus, brochures, notices, and worksheets to ensure a diverse and realistic representation of Japanese documents.
All annotation and transcription work is performed by humans, ensuring accuracy and consistency.
The Role
What You'll Do
- Open and verify tasks by confirming the page is in Japanese, legible, contains real content, and does not include personal details
- Annotate page structure by identifying and bounding regions such as document titles, section headings, paragraphs, lists, tables, figures, diagrams, captions, formulas, questions, and answer fields. Assign each region a component type and reading-order index
- Record relationships between regions, such as linking a region to its parent figure or table
- Transcribe text faithfully, including kanji, hiragana, katakana, furigana, and handwritten content. Flag any illegible regions
- Capture page metadata including language, document type, source, page dimensions, and flags for tables, formulas, and handwriting
- Review a colleague’s work to ensure quality and accuracy
Requirements
Who You Are
- A native Japanese speaker with full proficiency in kanji, hiragana, katakana, furigana, and variant character forms
- Professional experience in interpretation, journalism, transcription, translation, editorial work, or similar document-intensive fields
- Highly detail-oriented with a focus on character-level accuracy over speed
- Systematic and consistent in applying a taxonomy across numerous documents
- Comfortable with diverse and unfamiliar document layouts, including vertical text and multi-column formats
Nice-to-Have Specialties
- Experience with AI training data annotation, labeling, grading, or bilingual evaluation
- Transcription and localization skills, including MTPE (Machine Translation Post-Editing), subtitling, bilingual QA, OCR correction, or post-editing
- Document production expertise such as typesetting, copy-editing, proofreading, or digitization of Japanese-language material
- Familiarity with script and encoding, including Unicode normalization, Japanese input methods, full-width and half-width forms, and kanji variant handling
What Success Looks Like
- Every meaningful region on the page is accurately bounded and typed
- Reading order reflects the actual reading sequence, including vertical text and multi-column layouts
- Transcriptions match the source text character-for-character in Japanese script, not romaji
- Tasks pass second-expert review on the first attempt
- Unsuitable pages are identified and flagged immediately rather than after extensive work
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