Join Sigma .AI – Shaping the Future of Artificial Intelligence What is Sigma? Sigma is a leading integral 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? 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 Bachelor's degree in Linguistics, Languages, Literature,



or a related field Linguist with native or near-native proficiency in Mandarin Chinese Fluent in English with the ability to accurately listen and write with excellent spelling and attention to detail Solid command of linguistic theory, grammar, and language structure Strong writing, editing, and communication skills Computer literacy (Preferred (but not mandatory)) Experience in data annotation or content rating Strong attention to detail Technical Requirements 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 Important Notes Sigma .AI does not hire through third parties. No agents' intermediaries or third pa

📌 Mandarin Chinese Linguist Expert | Sigma AI (Madrid)
🏢 Sigma
📍 Madrid