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85 remote jobs found
Translation & Localization 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.

Quality & Evaluation Contractor Ongoing
Quality Assurance Localization QA Translation Review +11 LLM Evaluation AI Training Content Review Annotation Linguistics Style Guide Development Team Leadership Quality Management English Communication Brazilian Portuguese Documentation
  • Brazil, Portugal
  • Up to $35/hr
  • Jun 20, 2026

Seeking experienced Portuguese language specialists to lead quality assurance operations across AI training projects, manage contributor quality, and ensure Portuguese content meets linguistic, cultural, and localization standards.

AI Expert - Finance Contractor
Financial Analysis Investment Banking Private Equity +9 hedge-funds Equity Research Corporate Finance Venture Capital Financial Modeling Valuation Capital Markets Investment Analysis Quantitative Analysis
  • Portugal, Brazil
  • $80/hour
  • Jun 18, 2026

Seeking finance professionals based in Portugal or Brazil with experience in investment banking, private equity, hedge funds, equity research, venture capital, or corporate finance to contribute expertise to AI research projects.

AI & Data Training Contractor · Part-time Ongoing
Business Analysis Microsoft Excel Microsoft PowerPoint +10 Microsoft Word Business Writing Analytical Skills Quality Assurance AI Evaluation Attention to Detail Professional Communication Structured Feedback Business Strategy Portuguese
  • Remote (Global)
  • $20 – $70/hr
  • Jun 16, 2026

Remote contract for Portuguese-speaking business professionals with 3+ years' experience in finance, strategy, marketing, or operations to evaluate AI-generated business documents and deliverables using Excel, PowerPoint, and Word.

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 German +10 English Dubbing Acting Editing Localization Training Storytelling Voice Acting Media Localization Synthetic Speech
  • Remote (Global)
  • $12 – $12/hr
  • Jun 12, 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…

RWS
AI & Data Training Contractor · Part-time Ongoing
AI Portuguese Italian +10 English Dubbing Acting Editing Localization Training Storytelling Voice Acting Media Localization Synthetic Speech
  • Remote (Global)
  • $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 +10 English Dubbing Acting Editing Localization Training Storytelling Voice Acting Media Localization Synthetic Speech
  • Remote (Global)
  • $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,…

AI & Data Training Contractor
Manufacturing Operations English +12 Portuguese AI Benchmarking Engineering Logistics Management Optimization Rubrics Problem Solving Analysis Accuracy Purchasing
  • Brazil
  • Jun 9, 2026

About The Opportunity We are looking for experienced Manufacturing and Industrial Operations professionals to support a cutting-edge AI benchmarking project focused on industrial, production, and supply chain environments.

RWS
AI & Data Training Freelancer · Part-time
AI Portuguese Flexible +12 Accuracy English Assurance Annotation Payments Speech AI LLM Evaluation Remote Work English Proficiency Machine Learning Data Collection Data Evaluation
  • Brazil
  • From $6/hr
  • Jun 9, 2026

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.

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

Remote contractor opportunity for experienced Portuguese localization professionals to evaluate AI-generated content, perform linguistic QA, create training data, and improve advanced AI language models.

RWS
AI Expert – Linguistics & Language Freelancer · Part-time
Portuguese Literature Linguistics +12 AI Writing Reasoning Syntax Analysis Localization English Grammar Orthography Journalism Flexible Training
  • Brazil
  • $40 – $40/hr
  • Jun 4, 2026

Project Overview Help shape the future of AI in Brazil! We are building a next‑generation benchmark to evaluate how well AI systems handle complex, real‑world questions in Brazilian Portuguese .

AI & Data Training Freelancer · Part-time
Portuguese AI Accuracy +12 Grammar Formatting Training Transcription Editing Quality Assurance Voice AI AI Platforms AI Training AI Training Data Data Quality Content Review
  • Portugal
  • $10 – $20/hr
  • Jun 3, 2026

🎧 Get Paid to Review Portuguese Audio Transcriptions | Remote (Portugal) | $33/hr Help improve one of the world's leading voice AI platforms by ensuring high-quality Portuguese audio transcriptions. WHAT YOU'LL DO: • Review short Portuguese audio transcriptions for accuracy.

AI & Data Training 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…

RWS
AI & Data Training Full-time
Portuguese Philosophy AI +12 Writing Reasoning Theology Teaching Anthropology History Institutions Ethics Education English Flexible Training
  • Brazil
  • From $30/hr
  • May 28, 2026

Project Overview Help shape the future of AI in Brazil! We are building a next‑generation benchmark to evaluate how well AI systems handle complex, real‑world questions in Brazilian Portuguese .

RWS
AI & Data Training Full-time ↻ Reposted
Portuguese AI Writing +12 Reasoning Mechanics Gaming Logic Research Psychology Communication Esports Unity Unreal Engine Physics Game Design
  • Brazil
  • From $60/hr
  • May 28, 2026

Project Overview Help shape the future of AI in Brazil! We are building a next‑generation benchmark to evaluate how well AI systems handle complex, real‑world questions in Brazilian Portuguese .

AI & Data Training Full-time
Optimization Portuguese AI +12 Translation Grammar Accuracy English Localization Quality Assurance Hospitality Management Consistency English comprehension Language Review AI Tools
  • Portugal
  • From $17.1/hr
  • May 25, 2026

About the Role We are looking for experienced language specialists to review, refine, and validate AI translation prompts for attraction and travel content. This is not a traditional translation role; the focus is on optimizing AI-generated translations.

AI & Data Training Full-time
Optimization Portuguese AI +12 Translation Grammar Accuracy English Localization Quality Assurance Hospitality Management Consistency Brazilian Portuguese English comprehension Language Review
  • Brazil
  • From $8.5/hr
  • May 25, 2026

About the Role We are looking for experienced language specialists to review, refine, and validate AI translation prompts for attraction and travel content. This is not a traditional translation role; the focus is on optimizing AI-generated translations.

RWS
AI Portuguese Translation +11 Auditing Communication Flexible Audit Linguistics Recruiting English Onboarding Go Brazilian Portuguese Remote Work
  • Brazil
  • From $25/hr
  • May 22, 2026

Project Overview: Are you a professional linguist or do you hold an academic degree in translation? We are hiring professional linguists (or people who have an academic degree in translation) to join a fascinating project focused on auditing and evaluating the quality of…

AI & Data Training Freelancer · Part-time
Transcription Portuguese AI +12 Training Collaboration Accuracy Compliance Formatting Grammar Editing Quality Assurance Annotation Make Audio Transcription AI Training
  • Portugal
  • $33 – $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.

Localization AI Specialist 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

Remote freelance opportunity for Portuguese language experts to evaluate and improve AI-generated Portuguese content.

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.

Translation & Linguistics (AI) 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

Remote flexible opportunity for Portuguese-speaking translators and language experts to evaluate AI chatbot conversations and help improve multilingual AI systems.

Acting Role-Play Improvisation +11 Emotional Communication Performing Arts Voice Acting Character Performance Conversational Roleplay Emotional Intelligence Communication Skills Drama Theater Performance Empathy AI Safety Testing
  • Remote (Global)
  • $40/deliverable
  • May 16, 2026

Remote freelance opportunity for actors, performers, and emotionally skilled communicators to participate in AI safety role-play conversations focused on emotional distress and sensitive conversational evaluation.

AI & Data Training Full-time ↘ +2 regions
Portuguese AI Sourcing +12 Quality Assurance Communication Accuracy Annotation Testing Assurance Acting Documentation Linguistics Education Linguistic QA Data Annotation
  • 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
AI & Data Training Full-time
Portuguese Communication Zencastr +10 European Portuguese Data Collection Audio Recording Customer Support Following Instructions Quality Review Google Sheets Google Drive Communication Skills Attention to Detail
  • Portugal
  • From $7/hr
  • May 14, 2026

Job Overview We are looking for individuals to record natural conversations using provided scripts. You will work with a partner and play a specific role (such as Customer or Support Agent).

Quality & Evaluation Contractor · Full-time Short-term
LLM Evaluation Data Annotation LLM Prompt Engineering +11 Personalization Testing Portuguese Content Moderation Analytical thinking SxS Evaluation Linguistic analysis Written communication Annotation Review AI Personalization Quality Analysis Quality Assurance
  • Remote (Global)
  • $15/hr
  • May 13, 2026

Remote contractor opportunity for Portuguese-speaking AI quality analysts to evaluate personalized Gemini AI interactions, assess model responses, and contribute to advanced AI personalization and evaluation systems.

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