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42 remote jobs found
Language Data Contractor
Portuguese Testing Organization +12 Go Flexible Healthcare Training Confidentiality Operations Communication Accuracy Education Microsoft Word Microsoft Excel English
  • United States
  • $30 per test
  • Jul 22, 2026

PORTUGUESE ( PORTUGAL ) TESTING EVALUATOR ABOUT THE ORGANIZATION ALTA Language Services is the only 100% employee-owned company in our field. As employee owners, we work hard and go beyond words to perform each and every task with integrity and a passion to stay innovative.

Alignment Portuguese AI +12 Sourcing Quality Assurance Communication Accuracy Annotation Testing Assurance Acting Documentation Nuance Linguistics Education
  • Brazil
  • Jul 14, 2026

Project Overview We are sourcing independent Language Alignment & Resource Partners (LARPs) to provide native-level Brazilian Portuguese language vetting and QA for a specialized AI data project.

Linguistics (SME) Contractor ↻ Reposted
Portuguese Localization AI +12 Training Organization Accuracy Communication English Consistency Translation Research Flexible Collaboration AI Training European Portuguese
  • Remote (Global)
  • $20–$40/hour
  • Jul 14, 2026

Portuguese Language Expert (AI Training) About the Role We're looking for Portuguese language experts to help evaluate and improve AI systems trained on Portuguese-language content.

Linguistic Quality Assurance English Flexible +12 Translation Localization Testing Management Cybersecurity Writing GDPR Quality Assurance Microsoft Teams Gaming Culture Grammar
  • China
  • Jul 10, 2026

TransPerfect Games is a leading provider of bespoke and flexible videogame services, offering a wide range of solutions including translation, functional and localization game testing, certification testing, focus group and playtesting, player support and community management,…

Language Data Full-time
Portuguese AI Onboarding +12 Communication Writing English Messaging Organization Documentation Troubleshooting Confidentiality Programming Transcription Translation Analysis
  • Remote (Global)
  • Jul 6, 2026

Portuguese (Portugal) AI Product Tester Location: 100% Remote, global Device: Applicants must own a qualifying Google Pixel device for the duration of the project Compensation: USD $150.00 one time payment upon successful completion of 14 qualified submissions.(each submission…

Language Data Full-time ↘ +1 regions
Portuguese AI Onboarding +12 Communication Messaging Organization Documentation Troubleshooting Confidentiality Programming Transcription Translation Analysis Testing Localization
  • Remote (Global)
  • Jul 6, 2026

Brazilian Portuguese AI Product Tester No Google Pixel device? No problem at all! We will happily lend and ship the required phone directly to your home for the duration of the project. Location: 100% Remote, located in the U.S.

RWS
AI & Data Training Contractor · Part-time Ongoing
AI Portuguese German +12 English Dubbing Acting Editing Localization Training Storytelling VAT Tax Voice Acting Media Localization Synthetic Speech
  • Brazil
  • $12 – $12/hr
  • Jul 5, 2026

Join the future of entertainment! We’re looking for native or near native Portuguese (Brazil) and German-speaking creative professionals with English skills to rate the dubbing of media content based on understandability and meaningfulness, voice naturalness, prosody, voice…

Transcription & Audio Training Contractor · Full-time
Portuguese AI Sourcing +12 Telecommunications Accuracy Training Audit Role-Play Finance Auditing Programming JSON Troubleshooting Writing Communication
  • Remote (Global)
  • $6 – $65/hr
  • Jul 4, 2026

Project Overview We are sourcing independent Audio Evaluation Specialists for an AI benchmark evaluation project assessing advanced agentic audio models.

AI Portuguese Training +12 Teaching Organization Accuracy Writing Tutoring English Consistency Testing Research Collaboration AI Training Attention to Detail
  • Remote (Global)
  • $25-30/hr
  • Jun 26, 2026

AI Language Expert — Portuguese (AI Training) About the Role We're looking for native Portuguese speakers with a background in language teaching or assessment to help evaluate and improve AI systems trained on Portuguese-language content.

Bilingual LLM & Translation Full-time ↘ +2 regions
Portuguese Marketing Translation +10 Localization Training English Research Communications Linguistics Product Management Language Services Machine Learning Product Support
  • United States, Portugal
  • Jun 23, 2026

As a trusted global transformation partner, Welocalize accelerates the global business journey by enabling brands and companies to reach, engage, and grow international audiences.

English Portuguese Linguistic Quality Assurance +12 Translation Localization Training Patents Proofreading Chemistry JIRA Consistency Linguistics Biology Copywriting Management
  • Brazil
  • $1 – $1/hr
  • Jun 15, 2026

As a trusted global transformation partner, Welocalize accelerates the global business journey by enabling brands and companies to reach, engage, and grow international audiences.

RWS
AI & Data Training Contractor · Part-time Ongoing
AI Portuguese Italian +12 English Dubbing Acting Editing Localization Training Storytelling VAT Tax Voice Acting Media Localization Synthetic Speech
  • Brazil
  • $12 – $12/hr
  • Jun 12, 2026

Join the future of entertainment! We’re looking for native or near native Portuguese (Brazil) and Italian-speaking creative professionals with English skills to rate the dubbing of media content based on understandability and meaningfulness, voice naturalness, prosody, voice…

RWS
AI & Data Training Contractor · Part-time Ongoing
AI Portuguese French +12 English Dubbing Acting Editing Localization Training Storytelling VAT Tax Voice Acting Media Localization Synthetic Speech
  • Brazil
  • $12 – $12/hr
  • Jun 12, 2026

Join the future of entertainment! We’re looking for native or near native Portuguese (Brazil) and French (France)-speaking creative professionals with English skills to rate the dubbing of media content based on understandability and meaningfulness, voice naturalness, prosody,…

Transcription & Audio Training Freelancer · Part-time
Audio Annotation Transcription Data Annotation +3 Quality Assurance Attention to Detail Written Feedback
  • Brazil
  • $3 – $5/hr
  • Jun 8, 2026

<h2>About the Project</h2> <p>Thoth AI is looking for language specialists based in Brazil to join a short-term audio transcription and labeling project for AI training (ASR/TTS).</p> <h2>Responsibilities</h2> <ul> <li>Accurately label or annotate data (text or audio) in…

Portuguese English Localization +11 Translation LLM Evaluation Data Annotation Quality Assurance Copyediting CAT Tools Terminology Management Style Guides MQM Error Typology Linguistic QA (LQA) Editorial Review
  • Brazil, Portugal
  • Up to $30/hr
  • Jun 7, 2026

In this hourly-paid remote contractor role, you will review AI-generated responses and create language content that helps improve advanced AI systems. You will evaluate: Accuracy Clarity Reasoning quality Problem-solving quality Prompt adherence while providing expert…

Bilingual LLM & Translation Full-time ↘ +2 regions
Portuguese Authorization History +4 Make Personalized Search Recommendation Systems Google Maps
  • Brazil, United States
  • May 28, 2026

What if your everyday search habits could help improve how millions of people discover places online? WHAT YOU’LL DO: Review personalized search & location recommendations in Portuguese (Brazil) Evaluate the relevance and usefulness of suggested places based on real search…

Transcription & Audio Training Freelancer · Part-time
Transcription Portuguese AI +12 Training Collaboration Accuracy Compliance Formatting Grammar Editing Quality Assurance Annotation Make Audio Transcription AI Training
  • Portugal
  • $18.8 – $33/hr
  • May 22, 2026

Overview: Welo Data is looking for experienced quality reviewers to join a high-profile AI training data project in collaboration with one of the world’s leading voice AI platforms.

Bilingual LLM & Translation Freelancer Ongoing
Translation Localization Editing +12 Proofreading Attention to Detail Data Annotation Search Relevance E-commerce Analysis Query Analysis Product Classification Quality Assurance Analytical thinking French Language Online Shopping Platforms ESCI Framework
  • Remote (Global)
  • $20-40/hr
  • May 20, 2026

Alignerr is seeking Portuguese language experts to help evaluate and improve AI systems trained on Portuguese-language content. Contributors will help shape how AI systems understand, generate, and communicate in Portuguese through language evaluation, cultural review, and…

Portuguese AI Training +12 Education Research Communication Phonetics Morphology Syntax Semantics Pragmatics Microsoft Word Expressions Reasoning Accuracy
  • Portugal
  • $6 - $65/hr
  • May 18, 2026

Are you a Portuguese (Portugal) language expert eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of linguistic discovery.

Portuguese AI Training +12 Education Research Communication Phonetics Morphology Syntax Semantics Pragmatics Microsoft Word Expressions Reasoning Accuracy
  • Brazil
  • $6 - $65/hr
  • May 18, 2026

Are you a Portuguese (Brazil) language expert eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of linguistic discovery.

Bilingual LLM & Translation Contractor · Part-time Ongoing
Translation Portuguese English +11 Localization Attention to Detail Linguistics LLM Evaluation Writing Grammar Language Quality Assurance Conversational AI Content Review Prompt Evaluation Multilingual Communication
  • Portugal
  • $22+/hr
  • May 17, 2026

DataAnnotation is seeking Portuguese-speaking Translators to help train and improve advanced AI chatbot systems. This role involves interacting with AI models in both Portuguese and English to evaluate conversational quality, logic, accuracy, and language performance.…

Portuguese AI Infrastructure +12 Training Nuance Orthography Onboarding Make Quality Assurance Calibration Transcription Captioning Reporting Translation Annotation
  • Portugal
  • May 14, 2026

ABOUT PERLE Perle is an AI infrastructure company building expert-driven training data, evaluation systems, and applied AI products for the world's leading labs and enterprises. Our partners include xAI, Samsung, ELM, and Unisys.

Portuguese AI Infrastructure +12 Training Nuance Orthography Onboarding Make Quality Assurance Calibration Transcription Captioning Reporting Translation Annotation
  • Brazil
  • May 14, 2026

ABOUT PERLE Perle is an AI infrastructure company building expert-driven training data, evaluation systems, and applied AI products for the world's leading labs and enterprises. Our partners include xAI, Samsung, ELM, and Unisys.

Bilingual LLM & Translation Full-time ↘ +2 regions
Alignment Portuguese AI +12 Sourcing Quality Assurance Communication Accuracy Annotation Testing Assurance Acting Documentation Nuance Linguistics Education
  • Portugal, Brazil
  • May 14, 2026

Project Overview We are sourcing independent Language Alignment & Resource Partners (LARPs) to provide native-level Portuguese language vetting and QA for a specialized AI data project.

View Details
Transcription & Audio Training Freelancer · Part-time Short-term
Audio Transcription Data Annotation Listening Skills +3 Attention to Detail Speech Data Labeling Grammar & Punctuation
  • Portugal
  • $17.10/hr
  • Apr 29, 2026

About the Role Welo Data is seeking Portuguese Audio Annotation Analysts to support AI training for a leading voice AI platform. In this role, you will listen to short audio clips, transcribe speech accurately, and label audio issues to improve speech recognition systems. Key…

Transcription & Audio Training Freelancer · Part-time Short-term
Audio QA Transcription Review Data Annotation QA +4 Attention to Detail Linguistic Quality Control Error Detection Feedback Writing
  • Portugal
  • $18.80/hr
  • Apr 29, 2026

About the Role Welo Data is seeking Portuguese Audio Annotation Verifiers to perform quality assurance on transcription data for a leading voice AI platform. In this role, you will review and validate transcription outputs, ensuring accuracy, consistency, and adherence to…

Transcription & Audio Training Freelancer · Full-time
Annotation Portuguese AI +12 Training Collaboration Transcription Accuracy Compliance Formatting Grammar Editing Quality Assurance Audio Annotation AI Training AI Training Data
  • Portugal
  • From $18.8/hr
  • Apr 28, 2026

Overview: Welo Data is looking for experienced quality reviewers to join a high-profile AI training data project in collaboration with one of the world’s leading voice AI platforms.

Transcription & Audio Training Freelancer · Full-time
Transcription Portuguese AI +12 Training Formatting Flexible Annotation Make Audio Transcription AI Training AI Training Data Voice AI AI Platforms Language Skills Attention to Detail
  • Portugal
  • From $17.1/hr
  • Apr 28, 2026

Overview: Welo Data is seeking attentive listeners to join an exciting AI training data project for one of the world's leading voice AI platforms. Your contributions will directly enhance how the platform understands Portuguese dialects.

Language Data Full-time
Portuguese AI Annotation +12 Operations Collaboration Empathy Transcription Localization English macOS Audio Collection Android SDK iOS SDK Documentation Artificial Intelligence
  • Brazil
  • Mar 26, 2026

🌟 Join Sigma.AI – Shaping the Future of Artificial Intelligence 🌍 🔹 What is Sigma? Sigma is a leading global technology company specializing in data collection and annotation for Artificial Intelligence.

Templates Engineering Optimization +12 Accuracy Precision Recall Documentation Portuguese English Education Linguistics Communication AI LLMs Data Classification
  • Portugal
  • Mar 16, 2026

We are seeking a Prompt Engineer to be responsible for the end-to-end technical migration workflow for transitioning templates to LLM autoraters. The role is required to use client’s internal tools to leverage prompt engineering techniques to maximize model performance.

Portuguese AI Communication +12 Training Education Accessibility Acting Nuance Pronunciation Accuracy Dubbing Narration Coaching Annotation Insurance
  • Remote (Global)
  • $6 – $65/hr
  • Feb 24, 2026

Are you an experienced voice actor eager to shape the future of AI? Large-scale language models and speech technologies are evolving rapidly, moving beyond simple interactions into expressive, human-like communication.

Portuguese AI Training +12 Education Research Communication Phonetics Morphology Syntax Semantics Pragmatics Microsoft Word Expressions Reasoning Accuracy
  • Remote (Global)
  • Feb 12, 2026

Are you a Portuguese (Brazil) language expert eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of linguistic discovery.

Portuguese Annotation AI +12 Accuracy Consistency Curation Cross-Functional Collaboration Microsoft Teams English Communication Grammar Syntax Problem Solving Linguistics Localization
  • Brazil
  • Dec 9, 2025

Job Title: Portuguese Language Expert (Brazil) Job Type: Contractor Location: Remote Job Summary: Join our customer’s team as a Portuguese Language Expert and play a pivotal role in shaping high-quality language data resources for cutting-edge projects.

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