Mandarin Language Expert

AI Trainer Jobs; United States; Remote; USD 45,000 - 65,000; Full time

Job summary

SME Careers is seeking a remote hourly contractor to review and generate language content for AI training. You will craft prompts, assess model outputs, and provide expert feedback to ensure accurate, logical explanations.

Candidates should have senior localization experience, Mandarin proficiency, and strong English skills. Responsibilities include evaluating AI responses for accuracy, bias, and clarity, and applying QA workflows to ensure consistent quality across time zones.

Qualifications

• Bachelor’s degree or higher in Translation, Linguistics, Localization, or related field.
• Native or near-native Chinese (Mandarin) proficiency with China locale conventions.
• Minimum C1 English proficiency for prompts, sources, and evaluation guidelines.
• 5+ years of professional localization/translation experience.
• Ability to apply MQM/LQA concepts for quality decisions.
• Proficiency with CAT tools and QA workflows; comfortable with structured guidelines.
• Excellent editorial judgment with attention to detail.

Responsibilities

• Develop AI Training Content: Create detailed prompts and responses to guide AI learning.
• Optimize AI Performance: Evaluate and rank AI responses to improve accuracy and fluency.
• Ensure Model Integrity: Test models for inaccuracies or biases and validate reliability across use cases.

Skills

Localization

Linguistic QA

MQM Error Typology

Editorial judgment

Copyediting

Terminology management

Chinese (Mandarin) proficiency

English proficiency

Education

Bachelor’s degree or higher in Translation, Linguistics, Localization, Communications

Tools

CAT tools

QA workflows

Translation memory

Job description

Pay: up to $40/hour

In this hourly-paid, fully remote contractor role, you will review AI-generated responses and/or generate language content, evaluate reasoning quality and step-by-step problem-solving, and provide expert feedback so outputs are accurate, logical, and clearly explained. You will assess solutions for accuracy, clarity, and adherence to the prompt; identify errors in methodology or conceptual understanding; fact-check information; write high-quality explanations and model solutions that demonstrate correct methods; and rate and compare multiple AI responses based on correctness and reasoning quality. You will apply senior-level Chinese (Mandarin) localization/translation judgment alongside Minimum C1 English proficiency to ensure terminology, tone, and cultural nuance are consistently correct across use cases. This role is with SME Careers, a fast-growing AI Data Services company and a subsidiary of SuperAnnotate that provides AI training data for many of the world’s largest AI companies and foundation-model labs. Your work directly helps improve the world’s premier AI models.

Responsibilities

• Develop AI Training Content: Create detailed prompts in various topics and responses to guide AI learning, ensuring the models reflect a comprehensive understanding of diverse subjects.
• Optimize AI Performance: Evaluate and rank AI responses to enhance the model's accuracy, fluency, and contextual relevance.
• Ensure Model Integrity: Test AI models for potential inaccuracies or biases, validating their reliability across use cases.

Requirements

• Bachelor’s degree or higher in Translation, Linguistics, Localization, Communications, or a related field.
• Native or near-native Chinese (Mandarin) proficiency and strong command of the locale conventions for China.
• Minimum C1 English proficiency (reading/writing) for interpreting prompts, sources, and evaluation guidelines.
• 5+ years of professional localization/translation experience (multilingual localization experience strongly preferred).
• Demonstrated ability to apply MQM/LQA concepts (severity, category, and root-cause thinking) to produce consistent quality decisions.
• Proficiency with CAT tools and QA workflows (translation memory, termbases, automated checks) and comfort working with structured guidelines.
• Excellent editorial judgment (register, tone, inclusivity, and cultural nuance) with extreme attention to detail.
• Ability to rigorously fact-check localized content (units, references, names, dates) using reliable sources and consistent reasoning.
• Comfort working as an hourly contractor: dependable throughput, clear documentation, and responsiveness across time zones.
• Previous experience with AI data training / annotation / evaluation is preferred.

Skills: Style Guides, Chinese (Mandarin), English, Copyediting, Terminology Management, Localization, CAT tools, Translation, Linguistic QA (LQA), MQM Error Typology

Open to candidates in: Australia, Cambodia, Canada, France, Germany, Hong Kong, Indonesia, Italy, Macau, Malaysia, New Zealand, Peru, Singapore, South Africa, Taiwan, Thailand, the Netherlands, The Philippines, The United Kingdom, The United States, Vietnam

Interview language: English