Remote Mandarin Linguist & Data Annotation Specialist

Sigma AI; United States; Remote; USD 21,000 - 48,000; Full time

Job summary

Sigma AI, a global data annotation leader, is seeking a freelance linguist to work remotely on Mandarin Chinese tasks for AI training. You will analyze and annotate content across audio, text, and multimedia, delivering accurate transcripts, labels, and localization work through our online platform, on a 24/7 accessible workflow.

Ideal candidates are native or near-native Mandarin speakers with excellent English, strong writing and editing skills, and solid linguistics knowledge.

Qualifications

• Native or near-native Mandarin Chinese required with high accuracy in listening and transcription.
• Fluent English with strong spelling and attention to detail.
• Solid understanding of linguistic theory, grammar, and language structure.
• Strong writing, editing and communication skills; computer literacy.

Responsibilities

• Categorization, annotation, correction, transcription, evaluation of language data.
• Participate in conversational interactions and localization tasks.
• Voice recording, content creation, and validation across audio, video, images, sentences, or words.
• Work via online platform with remote, freelancer-based engagement.

Skills

Mandarin Chinese proficiency

English fluency

Writing & editing

Communication skills

Computer literacy

Attention to detail

Education

Bachelor’s degree in Linguistics, Languages, Literature, or related field

Job description

Sigma AI, a global data annotation leader, is seeking a freelance linguist to work remotely on Mandarin Chinese tasks for AI training. You will analyze and annotate content across audio, text, and multimedia, delivering accurate transcripts, labels, and localization work through our online platform, on a 24/7 accessible workflow.

Ideal candidates are native or near-native Mandarin speakers with excellent English, strong writing and editing skills, and solid linguistics knowledge.