Health physicist Jobs in Brampton, ON

We’re seeking physicists to join our AI training project. In this role, you will review AI-generated responses, evaluate the reasoning quality and step-by-step problem-solving, and provide expert feedback that helps models produce answers that are accurate, logical, and clearly explained. You will assess solutions for accuracy, clarity, and adherence to the prompt; identify errors in calculations, methodology, or conceptual understanding; fact-check physics information; write high-quality physics explanations and model solutions that demonstrate correct methods; and rate and compare multiple AI responses based on physics correctness and reasoning quality.

Key Responsibilities :

• Develop AI Training Content : Create detailed prompts in various topics and responses to guide AI learning, ensuring the models reflect a comprehensive understanding of diverse subjects.
• Optimize AI Performance : Evaluate and rank AI responses to enhance the model's accuracy, fluency, and contextual relevance.
• Ensure Model Integrity : Test AI models for potential inaccuracies or biases, validating their reliability across use cases.

Your Profile :

• You hold a Bachelor's Degree in Physics or a related field in one of the top 100 universities.
• Confident in physical reasoning, mechanics, electromagnetism, optics, thermodynamics / statistical mechanics, and modeling / systems thinking
• Expert at fact-checking information using public sources across multiple domains.
• You communicate physics clearly and turn advanced theory into real-world solutions.
• Background in research, analytical writing, debate, programming, or physics is preferred.
• English proficiency C1 and above with excellent writing skills.
• Bonus : Data labeling, RLHF, or AI model evaluation experience.