Korean Document Annotation Expert for AI Training

Obsidian; New York (NY); On-site; USD 42,000 - 70,000; Full time

Job summary

Mercor is seeking a detail-oriented Korean language annotator for building structured training data. You will open tasks, verify Korean content, and annotate every meaningful region with precise type and reading order.

You will transcribe faithfully in Hangul, including hanja where present, and document metadata. The role requires native Korean fluency and a meticulous reviewer-velocity process to ensure quality on every page.

Qualifications

• Native Korean speaker with full Hangul command.
• Experience in bilingual transcription, editorial work, or AI training data preferred.
• Character-level accuracy is essential; careful and methodical work.
• Systematic approach to annotate hundreds of pages.
• Review by a second Korean expert is part of the process.

Responsibilities

• Open and verify tasks, ensure pages are Korean, legible, and free of personal details.
• Annotate structure and bound regions with types and reading order.
• Record relationships between regions and figures/tables.
• Transcribe faithfully in Hangul, noting illegible areas.
• Capture page metadata such as language, document type, and dimensions.
• Participate in peer review to ensure quality first-time.

Skills

Korean language

Attention to detail

Editing/review experience

Job description

Mercor is seeking a detail-oriented Korean language annotator for building structured training data. You will open tasks, verify Korean content, and annotate every meaningful region with precise type and reading order.

You will transcribe faithfully in Hangul, including hanja where present, and document metadata. The role requires native Korean fluency and a meticulous reviewer-velocity process to ensure quality on every page.