Korean PDF Annotation Specialist

mercor; Österreich; Remote; EUR 36,000 - 48,000; Full time

Job summary

Mercor connects elite creative and technical talent with leading AI research labs. Position: PDF Annotation & Transcription Expert – Korean. Type: Contract. Location: Remote.

Responsibilities include sourcing Korean PDFs with multimodal elements, annotating structures, and transcribing Hangul with hanja. You will capture page metadata and ensure cross-validation by a second Korean expert.

Qualifications

• Native Korean speaker with Hangul and hanja.
• Experience in bilingual transcription or AI training data.
• Exact character-level accuracy.
• Systematic taxonomy application across pages.
• Comfort with multi-column layouts and handwritten forms.

Responsibilities

• Source Korean PDFs with multimodal elements and record sources.
• Annotate structure by bounding regions and assigning component types and reading-order indices.
• Record relationships by linking regions to parent components (figures, tables).
• Transcribe faithfully in Hangul, flag illegible regions.
• Capture page metadata, language, document type, source, dimensions, and handwriting/handwritten forms.

Skills

Native Korean

Hangul transcription

Bilingual transcription

Character-level accuracy

Taxonomy consistency

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.

Application Process

(Takes 20–30 mins to complete)