Speech AI Evaluation Specialist - Portuguese (Brazil)

Rws

Remote, BR

RemoteCareer-pivot friendly

Who this role is best for

Geared toward native Portuguese speakers in Brazil with flexible schedules who are interested in AI model evaluation.

Best fit for

Students or stay-at-home parents seeking flexible, part-time remote work.
— “The job is ideal for students, part-timers, or stay-at-home parents”
Professionals with native-level Portuguese fluency and advanced English skills.
— “Native-level fluency in Portuguese (Brazil)”
Individuals with experience in AI data evaluation or annotation.
— “Experience in one or more of the following areas: machine learning tasks”

Things to consider

Freelance role with part-time hours and no guaranteed duration.
— “Job Type: Freelance”
Hourly rate is fixed at 6 USD with no mention of raises.
— “Rate: 6 USD per hour”

How to stand out

Highlight any prior experience with AI data annotation or quality assurance.
— “data evaluation and quality assurance”
Demonstrate fluency in both Portuguese and English during the application process.
— “English Proficiency: Fluent or advanced proficiency in English”
Emphasize your ability to follow detailed scenarios and provide objective feedback.
— “Follow provided scenarios and prompts during interactions”

Pace · VariedCollaboration · LowAutonomy · HighDecision Impact · IndividualLevel · Mid Level

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

participate in short voice conversations with AI models
evaluate AI responses

Typical background

native-level fluency in PortugueseEnglish proficiency

Skills & requirements

Required

Portuguese FluencyEnglish Proficiency

Preferred

Machine Learning TasksData CollectionData EvaluationData Annotation

Stack & domain

Portuguese FluencyEnglish ProficiencyAi EvaluationData EvaluationData AnnotationObjectivityProductivityAIData

About the role

Original posting from Rws via Lever

We are looking for Speech AI Evaluation Specialist to support the improvement of AI-generated content in Portuguese (Brazil).
Job Type: Freelance
Location: Brazil (work from home)
Work Schedule: Part-time - 10+ hours per week. Flexible - work whenever you want.
Start Date: Immediately
Duration: TBC
Rate: 6 USD per hour
Help Shape the Future of AI
Are you a student, recent graduate, stay-at-home parent, gig worker, or professional seeking flexible remote work? Are you interested in shaping the development and safety of today’s AI models?
What You’ll Do
Participate in short voice conversations with AI models using a designated platform.
Follow provided scenarios and prompts during interactions.
Evaluate AI responses based on factors such as relevance, accuracy, clarity, and overall quality.
Provide objective ratings and feedback according to project guidelines.
Complete assigned tasks within established quality and productivity expectations.
What we’re looking for:
Native-level fluency in Portuguese (Brazil)
English Proficiency: Fluent or advanced proficiency in English (levels B2–C2)
AI & Data Capabilities (Preferred): Experience in one or more of the following areas: machine learning tasks, data collection and preprocessing, data evaluation and quality assurance, and data annotation and labeling.
What We Offer
Flexible schedule
Opportunity to earn extra income
Timely payments
The job is ideal for students, part-timers, or stay-at-home parents
#LI-PR15

Source: Rws careers (Lever)