Welocalize

Est. expiry Jul 15, 2025

Last seen Oct 10

Posted Jun 10, 2025 · 487 days ago

AI Trainers Network - Portuguese

AI Trainers Network
Remote - Europe
RemoteEuropeFreelance, Mid-Level
At a glance

Freelance Portuguese AI training network contributor; join global talent pool

Original job description

Welo Data, part of Welocalize, is a global AI data company with 500,000+ contributors delivering high-quality, ethical data to train the world’s most advanced AI systems. We’re building smarter, more human AI with a diverse community in 100+ countries. At Welo Data, Limitless AI. Limitless You. isn’t just a slogan—it’s our promise. We build smarter AI through the power of human contribution, offering limitless opportunities for our global community to grow, contribute, and work on their terms. Are you detail-oriented and curious about tech?   Welo Data is building a global network of linguists, language enthusiasts, and culturally aware contributors to shape safer, smarter AI.   By joining our talent community, you’ll be first in line for flexible, remote projects in annotation, evaluation, and prompt creation—always on your terms.   Note: This is not an active job opening. By applying, you’ll join our global contributor network. When a project aligns with your skills and availability, we’ll reach out with all the details, including scope, timeline, and compensation.   What You’ll Need - Native or near-native fluency in Portuguese - Based in: Brazil, Portugal - English proficiency - Comfortable with digital tools - Detail-oriented and curious   Why Join Us? 🚀 Limitless You – Work when and where you want, with room to grow 🤖 Limitless AI – Contribute to smarter, more inclusive AI 🌎 Be Part of Us – Join a global, supportive community   About our projects: Welo Data projects vary by scope and complexity, but all play a role in building more accurate, inclusive, and human-centered AI. Depending on your skills, you might: 📝 Annotate or label text, images, or audio to train AI systems 🔍 Evaluate search results, ads, or chatbot responses for quality and relevance 💬 Create and test prompts to improve large language models (LLMs) 🌍 Ensure content reflects cultural, linguistic, or industry-specific accuracy Some projects last a few days; others may extend over several weeks. Before each one, you’ll receive clear details on tasks, timelines, and compensation, so you can decide what works best for you.   How to Apply? Click the “Apply” button on our website to fill out a short form and join our talent database. It only takes a few minutes to get started and become part of our growing community.   📬 Questions? If you have any questions about the process, feel free to contact us at TalentRequests@welocalize.com.

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Responsibilities
  • Annotate or label text, images, or audio to train AI systems
  • Evaluate search results, ads, or chatbot responses for quality and relevance
  • Create and test prompts to improve large language models (LLMs)
  • Ensure content reflects cultural, linguistic, or industry-specific accuracy
Requirements
  • Native or near-native fluency in Portuguese
  • Based in Brazil or Portugal
  • English proficiency
  • Comfortable with digital tools
  • Detail-oriented and curious
Welocalize logo
Welocalize · 116 open roles
Top locations (all time): Remote - Europe · 122 · Remote, Worldwide · 77 · Remote - Worldwide · 44 · +82 other locations
View company
Current open roles at Welocalize on JobCrawls
LocationActive listings
Remote - Europe122
Remote, Worldwide77
Remote - Worldwide44
India14
Remote - Global11
Finland10
South Korea6
Germany5
Spain5
Japan4
Thailand4
China4
France4
Indonesia4
United States3
Remote - Finland3
Poland3
Nigeria3
Philippines3
Malaysia2
Greece2
Slovenia2
Hungary2
Seoul, South Korea2
Canada2
Turkey2
South Africa2
Sweden2
Netherlands2
Norway2
Denmark2
Vientiane, Laos1
Wales1
Tashkent, Uzbekistan1
Kazakhstan1
Iceland1
Global1
Armenia1
Mongolia1
Austria1
Cairo, Egypt1
Brazil1
Sarajevo1
Santa Clara, CA1
Kiev, Ukraine1
Colombo, Sri Lanka1
Ghana1
Islamabad, Pakistan1
Albania1
New Zealand1
Valetta, Malta1
Belgium1
Phnom Penh, Cambodia1
Taiwan1
North Macedonia1
Italy1
Georgia1
Tel Aviv, Israel1
Afghanistan1
Singapore1
Hong Kong1
Remote1
Addis Ababa, Ethiopia1
Minsk, Belarus1
Saudi Arabia1
Vietnam1
Berlin, Germany1
Ireland1
Slovakia1
Bulgaria1
Serbia1
Lithuania1
Kyrgyzstan1
Croatia1
Romania1
United Kingdom1
Katmandú, Nepal1
Tbilisi1
Azerbaijan1
Czech Republic1
Riga, Latvia1
Galicia, Spain1
Beijing, China1
Porto, Portugal1
Estonia1
Current role mix at Welocalize on JobCrawls
Role typeActive listings
AI Trainers Network52
AI Trainer23
Accessibility Tester5
Sports Localization Specialist3
Lyric Translation Reviewer3
Ads Quality Rater2
Shape the Future of AI2
AI Data Annotator2
Quality Control Specialist2
Generative AI Analyst2
Korean Lyrics Reviewer1
AI Trainers Network Contributor1
Tagalog AI Trainer1
Patent Translator1
Korean to English Patent Translator1
Enterprise Solutions Sales Lead1
Product Marketing Linguist1
Linguist – Pharmacovigilance (Life Sciences)1
AI Data Contributor1
AI Trainers Network - Ukrainian1
AI Trainers Network Belarusian1
AI Trainers Network - Sinhala1
Danish Culture Expert1
Brazilian Subject Matter Expert in Law and Ethics1
AI Trainers Network Latvian1
Patent Translator / LQA Reviewer1
Language Lead1
Language Content Reviewer1
Brazilian Subject Matter Expert in Politics1
Pharmacovigilance Translator1
AI Trainers Network Basque1
Patent Linguist1
Subject Matter Expert1
Urdu Linguist1
AI Trainer (Bosnian)1
Translation Quality Reviewer1
Sign Language Interpreter1
Audio Contributor1
Football Localization Specialist1
AI Trainers Network - Malay1
Data Contributor1
AI Trainers Network Tajik1
Subject Matter Expert in Animals and Pets1
History Expert1
Multimedia Content Reviewer1
Korean Language Trainer Network1
Arabic AI Trainer1
Interpreter1
Punjabi AI Trainer1
Subject Matter Expert in Literature & Linguistics1
Linguistic Tester1
Music Localization Specialist1
AI Trainers Network - Lao1
Reviewer1
AI Trainers Network Kannada1
Non-Linguistic Quality Control Specialist1
AI Trainers Network Marathi1
German Accessibility Tester1
Finnish Data Trainer1
Spanish Accessibility Tester1
Current role-level mix at Welocalize on JobCrawls
Role levelActive listings
Mid-Level128
Intern6
Senior6
Expert4
Executive1
Junior1

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