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110 remote jobs found
Data Annotation & Labeling Contractor ↘ +4 regions
AI Annotation Portuguese +12 Make Linguistics Translation Localization Education Research Writing Assurance Quality Assurance Microsoft Teams Training Accuracy
  • Brazil, Peru, Spain, Portugal
  • $8–$11.5/hr
  • Jul 23, 2026

Launch Your Career in Artificial Intelligence We are seeking language professionals who are available and prepared to commit to this project for a minimum of six months.

AI Annotation French +12 Italian Portuguese Make Linguistics Translation Localization Education Research Writing Assurance Quality Assurance Microsoft Teams
  • United States
  • $15 – $18/hr
  • Jul 23, 2026

Launch Your Career in Artificial Intelligence Artificial Intelligence is transforming how the world communicates, learns, and solves problems—and skilled reviewers play an important role in improving the quality of these systems.

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.

Image & Video Annotation Freelancer · Full-time
Portuguese AI Annotation +11 Microsoft Excel Consistency Rubrics English Writing Accuracy AI Data Annotation Data Annotation English Proficiency Attention to Detail Quality Review
  • Portugal
  • $36 – $36/hr
  • Jul 20, 2026

About the Role We are looking for detail-oriented Trainers to support an AI data annotation project. In this role, you will review pre-seeded questions paired with images and provide accurate "golden" answers based on what you observe in the image.

Image & Video Annotation Freelancer · Full-time
Portuguese AI Annotation +11 Microsoft Excel Consistency Rubrics English Writing Accuracy AI Data Annotation Data Annotation English Proficiency Attention to Detail Quality Review
  • Brazil
  • $24 – $24/hr
  • Jul 20, 2026

About the Role We are looking for detail-oriented Trainers to support an AI data annotation project. In this role, you will review pre-seeded questions paired with images and provide accurate "golden" answers based on what you observe in the image.

Evaluation & Quality Full-time ↘ +1 regions
Portuguese Microsoft Teams Advertising +12 Accuracy Decision Making Monitoring Documentation Communications English Annotation Communication Research Feedback Documentation Data Annotation Analytical Skills
  • Portugal
  • $15/hr
  • Jul 17, 2026

Welo Data is looking for an experienced Expert Rater to support, mentor, and guide rating teams while helping improve the quality of AI-powered advertising systems.

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.

Data Annotation & Labeling Full-time ↻ Reposted
Portuguese AI Training +12 Verification Editing Writing Flexible Infrastructure Positioning Recruiting Planning AI Training Human Data Language Skills Attention to Detail
  • Portugal
  • From $30/hr
  • Jul 13, 2026

Portuguese - Fluent Speakers - AI Training - Portugal About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world.

Data Annotation & Labeling Full-time ↻ Reposted
Portuguese AI Training +12 Verification Editing Writing Flexible Infrastructure Positioning Recruiting Planning AI Training Human Data Language Skills Attention to Detail
  • France
  • From $30/hr
  • Jul 13, 2026

Portuguese - Fluent Speakers - AI Training - France About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world.

Data Annotation & Labeling Full-time ↻ Reposted
Portuguese AI Training +12 Verification Editing Writing Flexible Infrastructure Positioning Recruiting Planning AI Training Human Data Language Skills Attention to Detail
  • Canada
  • From $30/hr
  • Jul 13, 2026

Portuguese - Fluent Speakers - AI Training - Canada About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world.

Data Annotation & Labeling Full-time ↻ Reposted
Portuguese AI Training +12 Verification Editing Writing Flexible Infrastructure Positioning Recruiting Planning AI Training Human Data Language Skills Attention to Detail
  • New Zealand
  • From $30/hr
  • Jul 13, 2026

Portuguese - Fluent Speakers - AI Training - New Zealand About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world.

Data Annotation & Labeling Full-time ↻ Reposted
Portuguese AI Training +12 Verification Editing Writing Flexible Infrastructure Positioning Recruiting Planning AI Training Human Data Language Skills Attention to Detail
  • United Kingdom
  • From $30/hr
  • Jul 13, 2026

Portuguese - Fluent Speakers - AI Training - UK About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world.

Data Annotation & Labeling Full-time ↻ Reposted
Portuguese AI Training +12 Verification Editing Writing Flexible Infrastructure Positioning Recruiting Planning AI Training Human Data Language Skills Attention to Detail
  • Switzerland
  • From $30/hr
  • Jul 13, 2026

Portuguese - Fluent Speakers - AI Training - Switzerland About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world.

Data Annotation & Labeling Full-time ↻ Reposted
Portuguese AI Training +12 Verification Editing Writing Flexible Infrastructure Positioning Recruiting Planning AI Training Human Data Language Skills Attention to Detail
  • Remote (Global)
  • From $30/hr
  • Jul 13, 2026

Portuguese - Fluent Speakers - AI Training - USA About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world.

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,…

AI Expert - Music & Audio Contractor · Part-time
Music Theory music-composition Music Transcription +10 Ear Training melody-recognition rhythm-analysis Audio Evaluation portuguese-lyrics-evaluation songwriter Audio Engineering Music Production generative-ai-evaluation Critical Listening
  • Remote (Global)
  • $50–$70/hour
  • Jul 9, 2026

Evaluate and improve generative music AI systems by applying expert musical listening skills, Portuguese lyric understanding, and knowledge of melody, rhythm, tempo, and musical structure.

AI Expert - Music & Audio Contractor · Part-time Short-term
Music Production Audio Engineering Audio Mixing +10 Music Theory Creative Writing Portuguese English Composition Audio Quality Assessment Music Annotation AI Evaluation Critical Listening Generative AI
  • Remote (Global)
  • $26 – $26/hr
  • Jul 7, 2026

Help train frontier AI systems by evaluating AI-generated music, lyrics, vocals, and audio quality in Portuguese using your expertise in music production, songwriting, music theory, and critical listening.

Response Rater Contractor
Portuguese Assurance AI +12 Leadership Training Strategic Thinking Coaching Combine Annotation Audit Alignment Calibration Onboarding Microsoft Teams Documentation
  • Brazil, Mexico, Argentina, Spain
  • Jul 6, 2026

Overview Are you an experienced quality assurance professional with a passion for language quality, AI, and team leadership? We are looking for a Portuguese (Brazil)-speaking Quality Control Lead to join a large-scale AI training program.

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.

Sports (AI) Contractor
Football Knowledge FIFA World Cup Sports Statistics +8 Data Verification Content Evaluation Fact-Checking AI Content Rating AI Evaluation English Portuguese Multilingual QA
  • Brazil
  • $10.8-$17.4/hour
  • Jun 26, 2026

Seeking bilingual football fans in Brazil to evaluate AI-generated FIFA World Cup 2026 content in English and Portuguese, ensuring accuracy in sports data, statistics, and match information. $10.80-$17.40/hr.

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.

QA Reviewer / Auditor 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

Role Overview As a Portuguese Quality Assurance Lead (QAL), you will oversee quality, consistency, and contributor performance across Portuguese AI training projects. You will review AI-generated Portuguese content as well as trainer and QA work, evaluate outputs against…

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

Role Overview Mercor is recruiting Portugal and Brazil-based Finance Experts for a research project with a leading foundational AI model laboratory. This opportunity is designed for experienced finance professionals who can contribute domain expertise to projects focused on…

AI Expert - Document & Presentation QA 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

About the Role Join a client's team as a Portuguese-speaking Business Document Expert and play a central role in evaluating and elevating next-generation AI-driven productivity tools. In this fully remote role, you'll use your business acumen and advanced Office Suite skills to…

Portuguese AI Microsoft Excel +12 PowerPoint Microsoft Word Finance Strategic Thinking Marketing Operations Analysis Reporting Precision Cross-Functional Collaboration Microsoft Teams Economics
  • Remote (Global)
  • $20 – $70/hr
  • Jun 15, 2026

Job Title: Business Document Expert (Portuguese Speaker) Job Type: Contract Location: Remote (Ideally based in the US) Job Summary Join our customer's team as a Business Document Expert and play a pivotal role in evaluating and elevating the next generation of AI-driven…

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,…

Marketing Portuguese AI +12 Microsoft Word PowerPoint Microsoft Excel Documentation Training Accuracy Organized Communication English Collaboration Communications Cross-Functional Collaboration
  • Remote (Global)
  • $10 – $55/hr
  • Jun 9, 2026

Job Title: Marketing Documents Specialist (Portuguese) Job Type: Contractor Location: Remote (Ideally based in the US) Job Summary: In this role, you'll apply your expertise to help train next-generation AI systems.

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