AI Trainer - Freelance Annotator (Portuguese)
$23 per hourToloka Annotators
Overview This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English. At Toloka, we connect smart, curious people from around the world with freelance online tasks that train and improve artificial intelligence. What We Do The Toloka Annotators 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 process. About The Role Annotation is what helps AI make sense of the world. As an annotator, you may be invited to take part in online projects such as rating AI-generated content, evaluating factual accuracy, or comparing responses — when projects are available. Responsibilities Carefully review provided data (text, images, or videos) Label or classify content based on project guidelines Identify and flag factually incorrect, sensitive, inappropriate, or unclear material Important note : This is project-based work. Tasks are available only when projects are active. You may be invited to one or more projects depending on your profile and current opportunities. Requirements Currently studying at a university or holding a completed Bachelor's, Master's, or PhD degree in any professional field Proficient in Portuguese (C2) and advanced in English (C1 or higher), both written and spoken Logical thinking, fact-checking and reasoning abilities Strong attention to detail and ability to understand and follow complex instructions Strong communication skills, including the ability to ask clarifying questions when needed Genuine interest in technology and artificial intelligence Benefits Get paid for your expertise, with rates that can go up to $23/hour depending on your skills, experience, and project needs Take part in a part-time, remote, freelance project that fits around your primary professional or academic commitments Work on advanced AI projects and gain valuable experience that enhances your portfolio Influence how future AI models understand and communicate in your field of expertise #J-18808-Ljbffr
$23 per hour
A leading AI annotation company is seeking freelance annotators to work remotely on exciting projects involving the evaluation and classification of AI... ...degree or be currently studying, with proficiency in Portuguese and advanced English skills. Responsibilities include...FreelancePortuguese language skillsHourly payPart timeRemote workFlexible hours- ...connects smart, curious people from around the world with freelance online tasks that train and improve artificial intelligence. As an annotator, you may be invited to take part in online projects such as rating AI-generated content, evaluating factual accuracy, or...FreelancePart timeRemote work
$18 per hour
...AI Trainer - Freelance Annotator (Korean) 4 days ago Be among the first 25 applicants At Toloka, we connect smart, curious people from around the world with freelance online tasks that train and improve artificial intelligence. About The Role Annotation helps...FreelancePart timeRemote work$55 per hour
A tech-driven AI company is looking for experienced Civil Engineers with Python skills to train AI models on realistic problems. This part-time freelance role allows for flexible hours and pays up to $55/hour for your expertise. Candidates should possess a degree in Civil...FreelancePart timeRemote workFlexible hours$73 per hour
...power of collective intelligence to ethically shape the future of AI. What We Do The Mindrift platform connects specialists... ...experience, and project needs. Take part in a part‑time, remote, freelance project that fits around your primary professional or academic...FreelancePart timeRemote workFlexible hours$55 per hour
...Freelance AI Trainer - Civil Engineering & Python 1 week agoBe among the first 25 applicants This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate...FreelancePart timeRemote workFlexible hours$73 per hour
...power of collective intelligence to ethically shape the future of AI. The Mindrift platform connects specialists with AI projects... ...experience, and project needs Take part in a part‑time, remote, freelance project that fits around your primary professional or academic commitments...FreelancePermanent employmentPart timeRemote workFlexible hours$30 per hour
...proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating... ...permanent employment. What This Opportunity Involves As an AI Trainer - Junior Journalist, your work will help train AI models,...FreelanceHourly payPermanent employmentTemporary workPart time10 hours per week$60 per hour
...Join the DataAnnotation team and contribute to developing cutting‑edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for proficient programmers to help advance AI development. As a member of DataAnnotation’s coding...FreelanceHourly payFull timeRemote workFlexible hours$20 per hour
...Overview DataAnnotation is committed to creating quality AI. Join our team to help train AI chatbots while gaining the flexibility... ...looking for analytical, detail-oriented small business owners, freelancers, and independent contractors to teach AI chatbots. You will...FreelanceHourly payFull timeContract workPart timeFor contractorsSelf employmentRemote work- ...AI Data Annotation Specialist (US) Freelance Role, Flexible Hours Help shape the future of AI! We’re seeking detail-oriented freelancers to join a... ...interviewing at TELUS Digital by 2x Get notified about new Data Annotator jobs in Florida, United States. #J-18808-LjbffrFreelanceHourly payWorldwideFlexible hours
$40 per hour
A leading AI development company is seeking experienced quantitative professionals to evaluate AI-generated quantitative analysis and solve complex problems. This remote role allows you to work flexibly, choosing projects and hours. Candidates should have hands-on experience...Hourly payRemote work$40 per hour
...Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for experienced quantitative professionals to help advance AI development. AI models are increasingly...Hourly payFull timeRemote workFlexible hours$60 per hour
...Join the DataAnnotation team and contribute to developing cutting‑edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for proficient programmers to help advance AI development. As a member of DataAnnotation’s coding...Hourly payFull timeRemote workFlexible hours$40 per hour
A leading AI development firm is seeking quantitative professionals to evaluate AI-generated work, solve quantitative problems, and provide impactful feedback. This fully remote role offers flexible scheduling and competitive hourly pay starting at $40 per hour. Ideal...Hourly payRemote workFlexible hours$25 per hour
...Bilingual Copyeditor (Chinese/English) Join our team at DataAnnotation to train AI models. In this role you will measure the progress of AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. You will need expert-level linguistics...Hourly payFull timeContract workPart timeRemote work$40 per hour
A tech company seeking AI Trainers in New York, USA, to train AI models by evaluating their logic and performance in mathematics. Candidates should possess an expert level of mathematical reasoning and fluency in English, and will engage in a flexible, remote working environment...Hourly payRemote workFlexible hours$25 per hour
A technology company is seeking a Korean‑English Language Instructor to interact with AI chatbots and provide feedback to enhance their output quality. This role allows for flexible working hours, and projects are compensated starting at $25+ per hour. Candidates should...Hourly payRemote workFlexible hours- A leading digital solutions company is looking for AI Data Annotation Specialists in New York. This freelance role allows for flexibility in hours, letting you work up to 40 hours per week on your own schedule. Key responsibilities include annotating and labeling text,...FreelanceHourly payFlexible hours
- ...optimal US placements. The role requires RN licensure in Florida, ASN, and 2+ years in acute care, with bilingual capabilities in Portuguese and/or Spanish preferred. You will develop scenario-based tools and collaborate with recruiting teams to ensure accurate,...Portuguese language skillsFull time
$25 per hour
...-English Language Instructor – DataAnnotation We are looking for a Japanese-English Language Instructor to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model...Hourly payFull timeContract workPart timeRemote work- ...Overview DataAnnotation is committed to creating high-quality AI. We are looking for a Fund Analyst to join our team to help train the next generation of AI while enjoying the flexibility of remote work and the freedom to set your own schedule. This role is designed to...Full timeContract workPart timeWork experience placementRemote workFlexible hours
$32 per hour
...and drive specialized data scraping workflows within our hybrid AI + human system. In this role, as an AI Pilot – that’s how we refer... ...world expertise from across the globe. About the Role This is a freelance role for a Tendem project. As a Python Data Scraping Engineer,...FreelanceHourly payPart timeRemote work- ...DataAnnotation is seeking a Korean‑English Language Instructor to train AI models. In this role you will conduct conversations with AI chatbots in both Korean and English to measure progress, evaluate logic, and provide feedback to improve model quality. You will also...Hourly payFull timeContract workPart timeRemote work
$40 per hour
...We are looking for a Postdoctoral Researcher to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. In this role you will need to hold an expert understanding...Hourly payFull timeContract workPart timeRemote work$40 per hour
A leading AI development firm is seeking experienced quantitative professionals to help advance AI by evaluating AI-generated analyses and providing feedback to shape these systems. This fully remote position allows you to set your own schedule and select projects as you...Hourly payRemote work$40 per hour
...We are looking for experienced cybersecurity professionals to join our team to help train AI models. In this role, you will evaluate AI-generated security content, solve technical cybersecurity problems, and provide feedback to improve how AI systems reason about real...Hourly payFull timePart timeRemote work$40 per hour
A technology company focused on AI is seeking experienced quantitative professionals for a remote role. Candidates will evaluate AI-generated quantitative work and design quantitative problems for AI training. The ideal applicant has over 2 years of experience in a quantitative...Hourly payRemote workFlexible hours$50 - $75 per hour
A leading AI development company seeks proficient programmers for a fully remote role focused on advancing AI systems. You'll design and solve coding problems, write high-quality code, and evaluate AI-generated content. Candidates should be fluent in English and ideally...Remote jobHourly payFlexible hours$50 - $60 per hour
...are looking for a Clinical Specialist to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate... ...Speech-Language Pathologists, Respiratory Therapists, Athletic Trainers, Massage/Recreational Therapists. Diagnostic & Laboratory...Hourly payFull timeContract workPart timeRemote work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to AI Trainer - Freelance Annotator (Portuguese). Be the first to apply!
- ai trainer Florida, NY
- work from home online freelance Florida, NY
- online freelance Florida, NY
- remote freelance writer Florida, NY
- freelance content writing Florida, NY
- moonlighting Florida, NY
- online freelance graphic designer Florida, NY
- remote freelance Florida, NY
- part time freelance writer Florida, NY
- moonlight Florida, NY

