data annotation

Please 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 Involves Annotation is what helps AI...

Please 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 Involves Annotation is what helps AI...

Please 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 involves Annotation is what helps AI make...

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...

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: TBC Compensation: 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 plus Education: Bachelor's degree required Contract duration: TBC Compensation: 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 plusCompensation: 11 USD/hourDoes this sound like you?Are you looking for remote,...

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...

About The Role What if your C# expertise could directly shape the infrastructure powering the next generation of AI? We're looking for a Senior C# Full-Stack Engineer to build and optimize the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to train and improve their models. This is a high-impact, fully 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 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...

Data Acquisition Director (AI Training) About The Role What if your ability to find, evaluate, and secure the right data could directly determine how intelligent the next generation of AI becomes? We're looking for a Data Acquisition Director to lead the strategy and execution of sourcing high-quality datasets that fuel cutting-edge AI systems — from...

Backend Developer — AI Data Services About The Role What if your C# expertise could directly shape the infrastructure powering the next generation of AI? We're looking for a senior C# engineer to build the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to train and improve their models. This is a fully remote,...

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...

C# Infrastructure Engineer — Data Pipelines (AI Training) About The Role What if your expertise in C# and systems engineering could directly shape the infrastructure powering the next generation of AI? We're looking for a Senior C# Full-Stack Engineer to design and build the high-performance data pipelines, annotation tooling, and evaluation systems that...

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,...

Senior Backend Engineer (C#) — AI Data Platform About The Role What if your C# engineering skills could directly shape the infrastructure powering the world's most advanced AI systems? We're looking for a Senior Backend Engineer to design and build the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to train and...

Data Security & DLP Analyst (AI Training) About The Role We're looking for experienced data security professionals to help build and evaluate AI systems that reason about sensitive information risk. At Alignerr, we partner with the world's leading AI research labs — and your real-world expertise in data loss prevention and security operations will...

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 plus Education: Bachelor’s degree required Contract duration: 3...