Japanese PDF Annotation Expert: Precise Page Mapping

Mercor; Helsinki; On-site; EUR 32,000 - 42,000; Full time

Job summary

Mercor seeks meticulous Japanese language annotators to build training data for diverse Japanese documents. You will identify meaningful regions, bound them, and transcribe text with kanji, kana, furigana and handwritten content.

Applicants should be native Japanese speakers with accuracy-first mindset, capable of handling complex layouts. The role emphasizes rigorous taxonomy, end-to-end quality checks, and collaboration on multilingual datasets.

Qualifications

• Native Japanese speaker with full command of kanji, hiragana and katakana.
• Experience in interpretation, transcription, translation, editorial work, or comparable document-intensive work.
• Character-level accuracy is essential; a single wrong character is a defect.
• You are systematic and apply consistent taxonomy across pages.

Responsibilities

• Source publicly accessible Japanese PDFs with multimodal elements and record its origin.
• Annotate page structure by bounding regions and assigning component types and reading-order indices.
• Record relationships by linking regions to their parent figures or tables.
• Transcribe faithfully, preserving exact characters including kanji, kana, furigana and handwriting.
• Capture page metadata: language, document type, source, dimensions, and flags for tables, formulas, and handwriting.
• Review a colleague's work through a second expert check.

Skills

Native Japanese speaker

Kanji/Hiragana/Katakana proficiency

Job description

Mercor seeks meticulous Japanese language annotators to build training data for diverse Japanese documents. You will identify meaningful regions, bound them, and transcribe text with kanji, kana, furigana and handwritten content.

Applicants should be native Japanese speakers with accuracy-first mindset, capable of handling complex layouts. The role emphasizes rigorous taxonomy, end-to-end quality checks, and collaboration on multilingual datasets.