
501 - 1000 employees
Founded 2008
💼 Consulting
🏥 Healthcare
📦 Logistics
Consulting • Healthcare • Logistics
Sigma AI is a global company that collects, prepares, and labels high-quality training data and delivers custom, data-centric AI solutions to help organizations build ethical, human-centered machine learning systems. Through its Sigma Cognition arm it offers bespoke AI services, and its workforce of annotators and specialists supports speech, text, image, and video data annotation at scale. The company emphasizes integrity, inclusivity, and sustainability while helping clients reduce bias and scale AI responsibly.
🔥 3 hours ago
🗣️🇪🇸 Spanish Required
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501 - 1000 employees
Founded 2008
💼 Consulting
🏥 Healthcare
📦 Logistics
Consulting • Healthcare • Logistics
Sigma AI is a global company that collects, prepares, and labels high-quality training data and delivers custom, data-centric AI solutions to help organizations build ethical, human-centered machine learning systems. Through its Sigma Cognition arm it offers bespoke AI services, and its workforce of annotators and specialists supports speech, text, image, and video data annotation at scale. The company emphasizes integrity, inclusivity, and sustainability while helping clients reduce bias and scale AI responsibly.
• Perform linguistic project tasks including categorization, annotation, correction, transcription, evaluation, conversational interactions, voice recording, content creation, localization, and validation • Validate audio, video, images, sentences, or words • Complete qualification tests after submitting an application • Work remotely through an online platform available 24/7
• Fluent in Colombian Spanish; 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 • Preferred but not mandatory: strong attention to detail • Computer with minimum 4GB RAM • Microphone and webcam • Windows 10 or higher, or macOS 13 Ventura or higher • All operating system updates installed and supported by the vendor • 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 • Mandatory tests must be completed to proceed in the selection process
• Remote work through an online platform available 24/7 • Freelancer opportunity under a commercial contract
Apply Now🕒 September 16
Independent Contractor recording 400 Colombian Spanish sentences for CrowdGen’s AI and speech technology data collection project. Fully remote, flexible, project-based work.
🗣️🇪🇸 Spanish Required
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Voice contributor recording Colombian Spanish audio for Welo Data's AI project. Producing studio-quality samples and participating in scheduled customer-service recording sessions.
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🕒 July 27
Audio Contributor role for recording scripted prompts in Spanish. Remote, freelance opportunity for AI and voice technology development.
🗣️🇪🇸 Spanish Required
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Freelance transcriber fluent in Colombian Spanish, ensuring accurate audio to text transcription. Flexible remote work opportunity with adherence to style guides and deadlines.
🗣️🇪🇸 Spanish Required