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?

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





Fluent in British English – Able to listen and write correctly without spelling mistakes Fluent in English – Able to listen and write correctly without spelling mistakes Basic computer skills 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. Join us and be part of something integral, innovative, and impactful. Sigma .AI – Data done right.

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📌 British English Linguistic Projects (Madrid)
🏢 Sigma
📍 Madrid