Cantonese Chinese (Traditional script) Linguistic Projects (Remote) | Sigma AI

Sigma; United States; Remote; USD 21,000 - 41,000; Full time

Job summary

Sigma.AI is a global data collection and annotation company offering remote freelance opportunities. You will perform Cantonese-English linguistic tasks including categorization, annotation, transcription, and evaluation through our 24/7 online platform.

Prerequisites include fluency in Cantonese and English, strong attention to detail, and basic computer literacy. Tablets and iOS devices are not required. This is a flexible, contract-based role within a global team.

Qualifications

• Fluent in Cantonese Chinese, able to listen and write correctly without spelling mistakes.
• Fluent in English, able to listen and write correctly without spelling mistakes.
• Basic computer literacy is required.

Responsibilities

• Categorization, annotation, correction, transcription, evaluation, and localization of audio/video/text content.
• Support conversational interactions and content creation for localization projects.
• Work remotely via Sigma.AI's 24/7 online platform under a freelance contract.

Skills

Cantonese

English

Computer literacy

Job description

Join Sigma.AI – Shaping the Future of Artificial Intelligence

What is Sigma?

Sigma is a leading global technology company specializing in data collection and annotation for Artificial Intelligence. With over 30 years of experience, offices in Spain, the US, and the UK, and operations in more than 700 languages, we support top multinational clients in developing cutting‑edge AI solutions.

Soft Skills We Value

Are you a proactive professional who thrives on challenges, values collaboration, and approaches every task with empathy, integrity, and a passion for learning?

If so, we’d love to hear from you!

What Will You Do?

As part of our linguistic projects, your responsibilities may include:

Categorization - Annotation - Correction - Transcription - Evaluation - Conversational interactions - Voice recording - Content creation - Localization - Validation of audio, video, images, sentences, or words.

All tasks are remote, performed through an online platform available 24/7. This opportunity is offered for freelancers under a commercial contract.

Requirements

We are looking for candidates with the following qualifications:

• Fluent in Cantonese Chinese - Able to listen and write correctly without spelling mistakes
• Fluent in English - Able to listen and write correctly without spelling mistakes
• Computer literacy

Preferred (but not mandatory):

• Experience with one or more of the following: computational linguistics, corpus analysis, language data annotation, or LLM training
• Strong attention to detail

Technical Requirements

To participate in our projects, you will need:

Computer:

• Minimum 4GB RAM
• Microphone and webcam
• Operating system:
  • Windows 10 or higher
  • macOS 13 Ventura or higher
• All OS updates installed and supported by the vendor

Connectivity & Accessories:

• Stable internet connection
• Headphones
• Secure internet location, protected by a strong password

For audio-collection projects only:

• Mobile phone with Android OS

Tablets and iOS devices are not supported.

Need Help?

We’re here for any questions or concerns.

Join us and be part of something global, innovative, and impactful.

Sigma.AI – Data done right.