Freelance Audio Annotators - Portuguese (Brazil)

Work Location : Remote/Work from home (Brazil) Engagement Model:

Freelance/Independent contractor Work Schedule:

Flexible schedule Language Needed:

Portuguese (Brazil) Estimated start date:

March 16th, 2026 Estimated duration:

Up to one hour in total (completion within 2 days)

DataForce by TransPerfect is looking for freelance Portuguese Annotators in Brazil to be part of an innovative project related to Artificial Intelligence.

Role description As an Audio Annotator,

you will need to handle 31 tasks, which consist of listening to a 15-second average reference audio sample and comparing it with two

additional

audio samples.

Participants

will be tasked to evaluate

the

audio

files

by

providing

their

opinion, feedback, or rating

according to

specific

project

guidelines. For each comparison, you will answer a set of questions by providing ratings on a scale from 0 to 100. The task requires careful listening and consistent evaluation based on the given criteria.

Job requirements Idiomatic fluency in Portuguese (Brazil)

Advanced English

Strong attention to detail and critical listening skills

Reliable internet connection and access to headphones

Ability to work independently and meet deadlines effectively

Ability to follow detailed project guidelines

Ability to deliver error-free work

Preferred Experience Experience using synthetic voices (Text-to-Speech) on a daily basis.

DataForce by TransPerfect is part of the TransPerfect family of companies, the world’s largest provider of language and technology solutions for global business, with offices in more than 100 cities worldwide. We offer high-quality data for Human-Machine Interaction to some of the most prestigious technology companies in the world. Our department focuses on gathering, enriching and processing data for Machine Learning in different AI domains. To learn more about DataForce please visit us at

https://www.transperfect.com/dataforce

.