data annotation

DescriptionPlease submit your resume in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment.What this opportunity involvesAnnotation is what helps...

Position: Speech AI Evaluation Specialist Portuguese (Brazil) Type: Hourly contract Compensation: $6 USD/hour Location: Remote (Brazil) Commitment: 10-40 hours/week Role Responsibilities Participate in short voice conversations with AI models using a designated platform. Follow provided scenarios and prompts during AI voice interactions. Evaluate...

Hospital Health Data Governance Lead (AI Training) About The Role What if your expertise in healthcare data governance could directly shape how AI understands and interprets hospital data systems — influencing tools that will support clinical decision-making for millions of patients? We're looking for experienced Hospital Health Data Governance Leads to...

OverviewAt Toloka, we connect smart, curious people from around the world with freelance online tasks that train and improve artificial intelligence. Toloka connects individuals with Generative AI projects from leading tech innovators. Our mission is to unlock the full potential of AI by involving real people from around the world in the development...

Overview At Toloka, we connect smart, curious people from around the world with freelance online tasks that train and improve artificial intelligence. Toloka connects individuals with Generative AI projects from leading tech innovators. Our mission is to unlock the full potential of AI by involving real people from around the world in the development...

Innodata (NASDAQ: INOD) is a leading data engineering company. With more than 2,000 customers and operations in 13 cities around the world, we are an AI technology solutions provider-of-choice for 4 out of 5 of the world's biggest technology companies, as well as leading companies across financial services, insurance, technology, law, and medicine. By...

Precision Medicine Data Lead (AI Training) About The Role What if your expertise in genomics and clinical data could directly shape how AI understands and advances personalized medicine for millions of patients worldwide? We're looking for a Precision Medicine Data Lead to help guide how complex healthcare and genomic data is structured, integrated, and...

CNTXT AI is a leading artificial intelligence company focused on building next-generation AI systems, products, and infrastructure. We specialize in developing multimodal AI, robotics, and intelligent agents, powered by high-quality real-world data. Data is at the core of our innovation. We invest heavily in data collection, annotation, and AI training...

AI Data Specialist - Portuguese (Brazil) São Paulo RWS - TrainAI Temporary/Contract / Remote Job Type: Freelance Location: Remote in Brazil Work Schedule: Part-time. Flexible, work whenever you want Start Date: Immediately Duration: Long-term project Rate: 6 USD/hour Help Shape the Future of AI Are you a student, recent graduate, stay‑at‑home parent,...

Data Annotator for AI Models - Spanish (Spain) in BrazilSão PauloRWS - TrainAI /Full-time Employee /RemoteLocation: Remote working in Brazil (a one-time visit to our São Paulo office is required to pick up the equipment)Work Schedule: Full-time, Monday to Friday, 8 AM to 5 PM PST (Pacific Standard Time)Experience: Previous experience in data annotation or...

Biotech Health Data Governance Lead (AI Training) About The Role What if your expertise in biotech data governance could directly shape how AI understands and works with life sciences research? We're looking for a Biotech Health Data Governance Lead to ensure that clinical trial and research data is accurate, traceable, compliant, and ready to power the...

Hospital Health Data Governance Lead (AI Training) About The Role What if your expertise in healthcare data governance could directly shape how AI understands, interprets, and works with clinical and operational health data? We're looking for experienced Hospital Health Data Governance Leads to help ensure that the health data used to train cutting-edge AI...

Data Annotator for AI Models - Portuguese (Brazil) in Brazil São Paulo RWS – TrainAI Full-time Employee Remote Location: Remote working in Brazil (a one-time visit to our São Paulo office is required to pick up the equipment) Work Schedule: Full-time, Monday to Friday, 8:0 AM to 5:0 PM PST (Pacific Standard Time) Experience: Previous experience in data...

LocationRemote working in Brazil (a one-time visit to our São Paulo office is required to pick up the equipment)Work ScheduleFull-time, Monday to Friday, 8:00 AM to 5:00 PM PST (Pacific Standard Time)ExperiencePrevious experience in data annotation or content review is a plusEducationBachelor's degree requiredContract duration3 monthsCompensation11...

**Accepted Locations**: **Loom Video** We have created an Loom video that we highly recommend you watch! Check it out here: Loom Video **Overview** Join our expert annotation team to create training data for the world's most advanced AI models. No previous AI experience is necessary. You'll get your foot in the door with one of the most prominent players...

AI Model Evaluator Remote (From Brazil) Contract - Work: Remote | 8 hours/day | 5 days/week (working days may vary) - Equipment: Candidate's own laptop - Mandatory ~2-hour assessment Job Description We are looking for Portuguese speakers based in Brazil for an AI Model Evaluation project. The work will initially involve reading comprehension and...

Location: Remote working in Brazil (a one-time visit to our São Paulo office is required to pick up the equipment) Work Schedule: Full-time, Monday to Friday, 8 AM to 5 PM PST (Pacific Standard Time) Experience: Previous experience in data annotation or content review is a plus Education: Bachelor’s degree required Contract duration: 3...

Location: Remote working in Brazil (a one-time visit to our São Paulo office is required to pick up the equipment)Work Schedule: Full-time, Monday to Friday, 8 AM to 5 PM PST (Pacific Standard Time)Experience: Previous experience in data annotation or content review is a plusEducation: Bachelor’s degree requiredContract duration: TBCCompensation: 11...

Location: Remote working in Brazil (a one-time visit to our São Paulo office is required to pick up the equipment)Work Schedule: Full-time, Monday to Friday, 8 AM to 5 PM PST (Pacific Standard Time)Experience: Previous experience in data annotation or content review is a plusEducation: Bachelor’s degree requiredContract duration: TBCCompensation: 11...

About The Role AI systems are only as good as the feedback that trains them — and that's where you come in. We're looking for detail-oriented individuals to review, rate, and improve AI-generated outputs across text, image, and structured data formats. Your assessments directly influence how AI models learn, respond, and improve over time. This is a...