Mathematics Specialist (Fluent in Portuguese - Brazil) – AI Trainer
Mathematics Specialist (Fluent in Portuguese - Brazil) – AI Trainer is an open role at Rise Data Labs, available remotely.
Applications open on Rise Data Labs’s own site. How we make money.
About this role
We are seeking a Mathematics Specialist fluent in Brazilian Portuguese to join our AI Training team. In this role, you will combine mathematics expertise with language proficiency to help train, evaluate, and improve advanced AI models. You will review AI outputs, create and verify math problems, and ensure accuracy and cultural relevance in both Portuguese and English.Responsibilities Review, annotate, and evaluate AI-generated responses in mathematics, including algebra, calculus, statistics, and applied math. Create, verify, and refine math problems, solutions, and explanations in both Portuguese and English. Localize and adapt mathematical explanations to Brazilian Portuguese, ensuring precise terminology and notation. Provide constructive feedback to improve AI reasoning, clarity, and accuracy. Develop benchmark datasets and testing materials to measure AI performance. Collaborate with AI researchers, linguists, and subject-matter experts to enhance training methods. Ensure academic accuracy, linguistic quality, and cultural appropriateness of all content. Requirements Bachelor’s degree or higher in Mathematics, Applied Mathematics, Statistics, Engineering, or a related quantitative field. Strong problem-solving ability across core mathematical domains. Native or near-native fluency in Brazilian Portuguese and professional proficiency in English. Ability to explain complex mathematical concepts clearly and accessibly. Excellent attention to detail and critical thinking skills. Comfortable using digital tools for annotation, evaluation, or content creation. Experience in teaching, tutoring, curriculum development, or AI/ML data annotation is a plus. What We Offer Opportunity to contribute to cutting-edge AI development. Remote, flexible work environment. Competitive compensation based on experience and expertise. Collaborative team of mathematicians, linguists, and AI specialists.
Pay
Not disclosed
Rise Data Labs doesn’t publish a rate for this listing - it isn’t missing from our data.
About Rise Data Labs
Rise Data Labs's connection to Rise Data Labs: Direct AI training data platform. Data labeling, RLHF, text/image/audio/video annotation
Ownership confidence: Confirmed. See the full network profile →
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Frequently asked questions
How do I apply for the Mathematics Specialist (Fluent in Portuguese - Brazil) – AI Trainer role at Rise Data Labs?
Applications go through Rise Data Labs's own portal - HumanSourcer links to the listing and never collects applications or handles hiring. Rise Data Labs's access model is "Open / self-serve" (Open application). This listing was first seen here on July 30, 2026 and was still live at the last check.
Is the Mathematics Specialist (Fluent in Portuguese - Brazil) – AI Trainer role at Rise Data Labs remote?
Yes - Rise Data Labs lists this role as remote.
What does the Mathematics Specialist (Fluent in Portuguese - Brazil) – AI Trainer role at Rise Data Labs pay?
Rise Data Labs doesn't state a rate on this listing. HumanSourcer never fills that gap with an estimate, so the absence is the source's, not a hole in this page. Rise Data Labs's profile shows what its rate-carrying listings do advertise.
What kind of work is Mathematics Specialist (Fluent in Portuguese - Brazil) – AI Trainer?
Translation / linguistics. Data labeling, RLHF, text/image/audio/video annotation
Is Rise Data Labs a legitimate AI-training platform?
Direct AI training data platform - and that relationship is rated "Confirmed" here because it can be checked against www.risedatalabs.com rather than taken on Rise Data Labs's word. Confidence describes how well the ownership is evidenced. It is not a rating of how the platform treats the people who work for it, which no public source covers reliably.
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