AI Data Expert - Portuguese (Brazil) - Remote

About The Opportunity

We are seeking detail-oriented human reviewers with a strong understanding of their local cultural context to support a range of AI training and evaluation projects.

In this role, you will work across diverse task types, including evaluating prompts and AI-generated outputs, reviewing and correcting text, analyzing multimedia content, contributing voice recordings, among others.

You will contribute to ensuring high-quality results by applying careful judgment to factors such as accuracy, clarity, cultural appropriateness, brand alignment, and overall effectiveness in meeting task objectives. This work requires strong analytical skills, attention to detail, and nuanced judgment informed by real-world standards, local norms, and market expectations.

What You'll Deliver

• Depending on the task, you may be asked to generate original content or assess AI-generated outputs.

• Deliver culturally relevant and appropriate content by applying local insight into tone, symbolism, visual cues, and market fit.

• Spot common issues such as visual artifacts, inconsistent style, translation errors, or cultural mismatches.

• Provide concise, structured annotations that can be used directly for model improvement.

• Apply evaluation guidelines consistently and participate in calibration and QA processes to ensure aligned scoring and judgment standards

Qualifications

• Native fluency in the target language

• Strong command of English

• Experience as AI reviewer, annotator, or evaluator preferred

• Comfortable working with both textual and audio/video materials

• Ability to follow detailed guidelines consistently and provide clear feedback

• High attention to detail and ability to thoroughly and accurately categorize content

Why Collaborate with Lilt?

• Your schedule, your rules. As an independent contractor, work when you want, as much or as little as you want. No fixed hours, no check-ins, no micromanaging.

• Get paid quickly and fairly. We respect your time and your expertise. Competitive rates, prompt payments, no chasing invoices.

• Work on projects that actually matter. Contribute to cutting-edge AI and language technology that is shaping how humans and machines communicate.

• Be part of something bigger. Join a global community of linguists, subject matter experts, and language professionals who are advancing human knowledge together.

• Grow without limits. As a Lilt contractor you get access to diverse, innovative projects that expand your portfolio and sharpen your skills across industries and domains.

• Earn recognition for great work. Top contributors unlock higher rates, priority project access, and a platform to be seen as the expert you are.

• Have fun doing what you love. Bring your language skills to life on projects that are as interesting as they are impactful.

How to Join Our Expert Community

1 - Submit your application including an updated copy of your CV in English

2 - Complete a short assessment in SuperAnnotate to evaluate your annotation skills

3 - Finalize onboarding and profile set-up in our system, and become eligible for Applied AI projects.

AI is changing how the world communicates — and LILT is leading that transformation. LILT's mission is to make the world's information available to everyone, no matter the language they speak. Join our global community who thrive on innovation and excellence. Our collective knowledge, uniqueness, and skills deliver multilingual AI and human-verified services to Enterprises, Governments, and AI Developers around the world.

Earn money. Have fun. Advance human knowledge. Work on diverse projects from anywhere, any time you want. Get paid quickly and fairly, and build your professional network in a supportive community—all through a streamlined application process tailored to your expertise.

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LILT is an equal opportunity employer. We extend equal opportunity to all individuals without regard to an individual's race, religion, color, national origin, ancestry, sex, sexual orientation, gender identity, age, physical or mental disability, medical condition, genetic characteristics, veteran or marital status, pregnancy, or any other classification protected by applicable local, state or federal laws. We are committed to the principles of fair employment and the elimination of all discriminatory practices.