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Korean PDF Annotation Specialist

Mercor


Job Location:

Tokyo - Japan

Monthly Salary: Not provided by the employer
Posted: 3 September 2026 (15 hours ago)
Application Deadline: 1 December 2026
Vacancies: 1 Vacancy

Job Summary

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 DAngelo Larry Summers and Jack Dorsey.

Position: PDF Annotation & Transcription Experts Korean
Type: Contract
Compensation: $34/hour
Location: Remote

Role Responsibilities

  • Source documents by finding publicly accessible Korean PDFs with multimodal elements like images tables or diagrams. Record the source of each document.
  • Annotate structure by identifying and bounding every meaningful region of the page. Assign each a component type and a reading-order index.
  • Record relationships by linking each region to its parent component such as a figure or table.
  • Transcribe faithfully by reproducing all text exactly as it appears in Hangul including any hanja 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 colleagues work. Every task is reviewed end-to-end by a second Korean expert.

Qualifications

Must-Have

  • Native Korean speaker with full command of Hangul including hanja.
  • Experience in bilingual transcription translation editorial work or AI training data.
  • Exact character-level accuracy.
  • Systematic application of taxonomy across pages.
  • Comfort with unfamiliar layouts like multi-column newspapers and handwritten forms.

Preferred

  • Experience with AI training data: annotation labeling grading or bilingual evaluation.
  • Skills in transcription and localization: MTPE subtitling bilingual QA OCR correction.
  • Document production experience: typesetting copy-editing proofreading or digitization of Korean-language material.
  • Knowledge of script and encoding: Unicode normalization Korean input methods Hangul jamo composition and hanja handling.

Application Process (Takes 2030 mins to complete)

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

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