Especialista em Física – AI Content Specialist
- Pay
- $35–$55/hr
- Location
- Brazil
- Type
- Contract
- Posted
- Jun 15, 2026
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
What You'll Do
- 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
Who You Are
- 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
Nice to Have
- Experience with data annotation, evaluation systems, or academic content creation
- Familiarity with AI or machine learning concepts
- Background in research, tutoring, or technical writing
Why Join Us
- 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
Quick answers
How much does the Especialista em Física – AI Content Specialist job at Alignerr pay?
Alignerr lists the pay as $35–$55/hr. That is close to the median of $45 an hour for AI Expert - Physics roles here (from 64 listings).
Who can apply for this AI training job?
The listing is open to applicants in Brazil. The role is remote.
Is this job remote, and what kind of work is it?
Yes, it is remote. The engagement type is contract. Alignerr hires for this role through its own application, which you reach from the Apply now button.
Which languages does this job need?
English.
How do I apply, and does it cost anything?
Select Apply now to go to Alignerr's application. Legitimate AI training work never asks you to pay to apply or to buy equipment. AI Training Jobs does not charge applicants. The listing was posted Jun 15, 2026 and is refreshed daily; closed jobs are marked as such.
About Alignerr
Selective AI training platform by Labelbox connecting subject matter experts with generative AI improvement projects.
466 open jobs here · median $60 an hour across 465 listings with pay
Alignerr pay, requirements, and all jobsMore jobs at Alignerr
Similar jobs
