Linguistic Projects Specialist, Portuguese

🕒 September 24

🇧🇷 Brazil – Remote

⏳ Contract/Temporary

🟡 Mid-level

🟠 Senior

🤖 Artificial Intelligence

👻 Ghost score 16%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 47 days.
• Jobs at this company usually fill in 31 days.
• No salary listed.

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Sigma AI

WebsiteLinkedInAll Job Openings

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.

📋 Description

• 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 required qualification tests after submitting an application • Provide documentation or information reasonably requested to verify identity and credentials

🎯 Requirements

• Fluent in Portuguese, able to listen and write correctly without spelling mistakes • Fluent in English, able to listen and write correctly without spelling mistakes • Basic computer skills • Minimum 4GB RAM computer • 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, an Android mobile phone • Tablets and iOS devices are not supported • Mandatory tests must be completed to proceed in the selection process

🏖️ Benefits

• Remote work through an online platform available 24/7 • Freelancer commercial contract • Opportunity to participate in global, innovative, and impactful AI projects • Ethical, transparent, and legally compliant selection processes • Fair and equitable treatment • Professional and independent work environment • Teamwork, continuous improvement, and fluid communication with clients

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