[All remote jobs](https://jobicy.com/jobs.md)[![Welo Global logo](https://jobicy.com/data/server-nyc0409/galaxy/mercury/2026/06/83c40f94-221.webp)](https://jobicy.com/company/welo-global.md)[Welo Global](https://jobicy.com/company/welo-global.md) # AI Trainers Network – Portuguese AI Summary This is a freelance talent-network opportunity for Portuguese-speaking contributors who may be matched with future remote AI data projects. Potential work includes annotating text, images, or audio; evaluating search, advertising, and chatbot outputs; and creating prompts for LLM improvement. Contributors must be based in Brazil or Portugal, have native or near-native Portuguese and working English proficiency, and be comfortable with digital tools. Assignments vary in duration from days to weeks, with scope and compensation shared before a contributor accepts a project. The role emphasizes accuracy, cultural awareness, and flexible independent work rather than a guaranteed active placement.[Apply for this job](#job-application)[View company](https://jobicy.com/company/welo-global.md)ShareRemote from🌐 AnywhereSalaryUndisclosedDepartment[Data Science & Analytics](https://jobicy.com/categories/data-science.md)EmploymentContractExperienceOpen levelPublished3 Nov 2026Apply before3 Dec 2026Listing views60Application actions3Application toolkit ## Make your next move. Prepare your resume, explore your fit, and draft a cover letter for this opportunity. Opportunity details ## About this role. 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](https://welocalizetalent.zendesk.com/hc/en-us/requests/new?tf_360026948474=feedback&tf_subject=Welo%20Data%20-%20Application:%20Shape%20the%20Future%20of%20AI). ### Compensation ### Additional Information Show more [Apply now >](https://jobicy.com/jobs/158793-ai-trainers-network-portuguese.md) > Annual salary information is not provided for this position. Explore salary ranges for similar roles in our [Salary Directory ›](https://jobicy.com/salaries.md) * ![Upload CV](data:image/svg+xml;base64,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) ### Upload your resume now To unlock remote work opportunities and be discovered by global employers. This job listing has been manually reviewed by the Jobicy Trust & Safety Team for compliance with our posting guidelines, including verification of the company's legitimacy, accuracy of job details, clarity of remote work policy, and absence of misleading or fraudulent content. ## Role DNA A quick view of the complexity, pace, ownership and collaboration implied by the job description. ### Job Complexity 2/5EasyHard ### Pace & Pressure 3/5RelaxedFast-paced ### Autonomy Level 5/5GuidedFull ownership ### Communication Load 3/5IndependentCollaborative AI insightTasks are likely accessible to detail-oriented language contributors, but quality standards for AI annotation and evaluation require consistent judgment and close adherence to project instructions. Difficulty can vary substantially by project type and domain. ## Salary analysis Estimated compensation compared with the broader US market for similar roles. Estimated job median (per hour)Market rate$18US market range (per hour)$12–$250$27.50 AI insightThe hourly pay period is inferred from the job context; it was not explicitly stated by the employer. No employer pay rate is disclosed. The hourly cadence and USD estimates are inferred for freelance Portuguese-language AI data annotation, evaluation, and prompt-testing assignments; actual rates may vary by project complexity, location, and required expertise. ## Core skills Skills and capabilities most closely associated with this opportunity. [Portuguese fluency](https://jobicy.com/jobs?search_keywords=Portuguese%20fluency.md)[English proficiency](https://jobicy.com/jobs?search_keywords=English%20proficiency.md)[AI data annotation](https://jobicy.com/jobs?search_keywords=AI%20data%20annotation.md)[Data labeling](https://jobicy.com/jobs?search_keywords=Data%20labeling.md)[Content evaluation](https://jobicy.com/jobs?search_keywords=Content%20evaluation.md)[Search quality evaluation](https://jobicy.com/jobs?search_keywords=Search%20quality%20evaluation.md)[Chatbot response evaluation](https://jobicy.com/jobs?search_keywords=Chatbot%20response%20evaluation.md)[Prompt creation](https://jobicy.com/jobs?search_keywords=Prompt%20creation.md)[Large language models](https://jobicy.com/jobs?search_keywords=Large%20language%20models.md)[Cultural localization](https://jobicy.com/jobs?search_keywords=Cultural%20localization.md)[Quality assurance](https://jobicy.com/jobs?search_keywords=Quality%20assurance.md)[Attention to detail](https://jobicy.com/jobs?search_keywords=Attention%20to%20detail.md)[Digital tools](https://jobicy.com/jobs?search_keywords=Digital%20tools.md)[Independent work](https://jobicy.com/jobs?search_keywords=Independent%20work.md) Sample interview questionsHow would you handle an annotation guideline that seems ambiguous for a particular example?I would first review all available instructions and examples to identify the intended rule. If the case remains unclear, I would document the ambiguity and ask the project contact for clarification rather than applying an inconsistent personal interpretation. What makes a Portuguese-language AI evaluation culturally accurate? It should reflect natural language use, regional context, tone, idioms, and potential differences between Portuguese variants. I would assess whether content is understandable, appropriate, and relevant for the target audience rather than only checking literal grammar. Describe your approach to maintaining quality during repetitive labeling tasks. I work in focused batches, regularly recheck the guidelines, and perform spot checks on completed items. I also track recurring edge cases so that I apply the same decision criteria throughout the assignment. How would you evaluate a chatbot response in Portuguese? I would assess whether it is accurate, relevant to the user’s request, clear, safe, and linguistically natural. I would also check for unsupported claims, harmful framing, and cultural or regional language issues. How do you manage flexible project work with changing timelines? I review scope, deadlines, and expected availability before accepting a project, then plan focused work blocks and communicate early if a risk arises. This helps me meet commitments while preserving consistent quality. Next step ## Apply now. Follow the employer’s application method and review Jobicy’s safety guidance before sharing personal information. Keep exploring ## Related remote jobs. * ![Cresta logo](https://jobicy.com/data/server-nyc0409/galaxy/mercury/2022/08/4d686e40b22cf2510b627c59afe5fd95.jpg) Cresta Nov 3 New ### [Lead Engineer – AI Agent Voice Experience](https://jobicy.com/jobs/158822-lead-engineer-ai-agent-voice-experience.md) Cresta unlocks the true potential of the customer experience, turning every conversation into a competitive advantage. 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