AI Trainer - Freelance Annotator (Portuguese)

Toloka Annotators; Brasil; Remote; BRL 64,777; Part time

Benefits offered by this job

Competitive pay up to $9/hour

Flexible work hours

Valuable AI experience

Job summary

A technology company specializing in AI training is seeking online annotators in Brazil. As a part-time, remote freelance role, you will review and classify various types of data to support AI development. Candidates must be pursuing or have completed a Bachelor's, Master's, or PhD degree and demonstrate proficiency in both Portuguese and English. This role offers competitive pay up to $9/hour and allows you to influence how AI understands and communicates in your field.

Qualifications

• Currently studying or holding a completed degree in any professional field.
• Proficient in Portuguese (C2) and advanced in English (C1 or higher).
• Strong reasoning and fact-checking abilities.

Responsibilities

• Carefully review provided data (text, images, or videos).
• Label or classify content based on project guidelines.
• Identify and flag factually incorrect or inappropriate material.

Skills

Logical thinking

Fact-checking ability

Attention to detail

Communication skills

Interest in technology

Education

Bachelor's, Master's, or PhD degree

Job description

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.

What We Do

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 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 $9/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