Korean PDF Annotation Specialist

Mercor; Dublin; Remote; EUR 35,000 - 47,000; Full time

Job summary

Mercor seeks PDF Annotation & Transcription Experts – Korean for a remote contract role. You will locate Korean PDFs with multimodal content, annotate regions, and faithfully transcribe Hangul content, including hanja and handwriting. A second Korean expert will review all work.

Native Korean required with precise character-level accuracy and experience in bilingual transcription or AI training data. Familiarity with complex layouts like multi-column pages is essential.

Qualifications

• 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.

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 colleague's work.

Skills

Korean language

Hangul literacy

Editorial accuracy

AI training data familiarity

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 – 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 colleague's 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.