Especialista em Física – AI Content Specialist

Physics Subject Matter Expert (AI Training)
About the Role
We're looking for physics experts in São Paulo and across Brazil to help train and evaluate cutting-edge AI models. Your deep understanding of physics will directly shape how AI reasons through complex problems — from undergraduate mechanics to graduate-level electromagnetism and beyond.
This is a fully remote, flexible contract role where your subject matter expertise is the most valuable thing you bring. No AI background required.

• Organization : Alignerr

• Type : Hourly Contract

• Location : Remote (São Paulo, Brazil)

- Commitment : 10–40 hours/week

• Commitment : 10–40 hours/week

• Design challenging, rigorous physics problems across domains such as mechanics, electromagnetism, thermodynamics, and quantum physics

• Develop clear, step-by-step solutions that demonstrate precise reasoning and logical structure

• Evaluate AI-generated responses for scientific accuracy, depth of reasoning, and quality of explanation

• Collaborate with researchers to develop and refine benchmarks spanning undergraduate to Masters-level physics

- Provide structured, actionable feedback that helps AI systems reason more like expert physicists

• Provide structured, actionable feedback that helps AI systems reason more like expert physicists

• Currently pursuing or have completed a Masters degree in Physics, Applied Physics, or a closely related field — from USP, UNICAMP, UFRJ, or equivalent institutions

• Strong physics reasoning and problem-solving skills across multiple advanced domains

• Able to communicate complex concepts clearly and concisely in written English

• Detail-oriented with a systematic approach to quality and accuracy

• Self-motivated and comfortable working independently and asynchronously

- No prior AI experience required

• No prior AI experience required

• Experience with data annotation, evaluation systems, or academic content creation

• Familiarity with AI or machine learning concepts

- Background in research, tutoring, or technical writing

• Background in research, tutoring, or technical writing

• Work directly on frontier AI projects in partnership with leading AI research labs

• Fully remote and async — work on your own schedule from anywhere

• Freelance perks: high autonomy, variety, and global collaboration

• Contribute to meaningful work that advances the state of AI in STEM

• Potential for ongoing contract renewals and expanded project scope