Subject Matter Expert – Natural Sciences (Portuguese BR) – Remote

ABOUT THE OPPORTUNITY

We are seeking experienced professionals in Natural Sciences to contribute to a cutting-edge AI benchmarking project in the target language. As a Subject Matter Expert, you will create and review high-quality, real-world natural sciences scenarios that evaluate AI systems in the target locale-specific contexts. Your expertise will directly shape how AI understands and performs in the compliant mathematical environments.

WHAT YOU’LL DELIVER

• Create realistic, domain-specific tasks in the target language reflecting local natural sciences practices
• Adapt and apply clear scoring rubrics to evaluate AI-generated and human responses
• Review and score submissions for accuracy, regulatory alignment, and professional quality
• Provide expert feedback and contribute to high-quality “gold standard” solutions

QUALIFICATIONS

• Native in the target language with strong professional English proficiency
• 5+ years of experience in Natural Sciences (e.g. biology, chemistry, physics, environmental science, earth sciences, or related disciplines)
• Strong knowledge of target local frameworks
• Ability to write and evaluate professional-grade natural sciences content in the target language with high attention to detail

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.
• 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

Step 1: Apply with the English-language version of your Resume/C.V. highlighting your expertise in the domain Step 2: Register in Tipalti to ensure a smooth payment process Step 3: Finalize onboarding and join the Production team

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.

At LILT, we are committed to a fair, inclusive, and transparent hiring process. As part of our recruitment efforts, we may use artificial intelligence (AI) and automated tools to assist in the evaluation of applications, including résumé screening, assessment scoring, and interview analysis. These tools are designed to support human decision-making and help us identify qualified candidates efficiently and objectively. All final hiring decisions are made by people. If you have any concerns, require accommodations, or would like to opt-out of the use of AI in our hiring process, please let us know at recruiting@lilt.com.

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.