**Summary:** The MRS AI Knowledge team is at the forefront of innovation in content understanding, user understanding, retrieval, and ranking. As a key driver of Meta's app growth, we are committed to revolutionizing recommendation systems by leveraging the latest advancements in AI, including Large Language Models (LLMs) and generative AI. We're dedicated to pushing the boundaries of recommendation systems to deliver user experiences across Facebook, Instagram, Threads, and more. **Required Skills:** AI Research Scientist - MRS AI Responsibilities: 1. Collaborate, and execute on research that pushes forward the state of the art in large language model research 2. Directly contribute to experiments, including designing experimental details, developing reusable code, running evaluations, and organizing results 3. Contribute to publications and open-sourcing efforts 4. Help identify long-term research goals as well as intermediate milestones 5. Prioritize research that can be applied to Meta's product development **Minimum Qualifications:** Minimum Qualifications: 6. Currently has, or is in the process of obtaining a Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience. Degree must be completed prior to joining Meta 7. PhD in Computer Science, Artificial Intelligence, Machine Learning, or a related technical field 8. 1+ year(s) of industry work experience with an emphasis on AI Research in natural language understanding, machine learning, deep learning, or related fields 9. Experience with language model training (ie. LLMs) or related ML/AI model training 10. Experience working with machine learning libraries like Pytorch, Tensorflow, etc 11. Must obtain work authorization in the country of employment at the time of hire, and maintain ongoing work authorization during employment **Preferred Qualifications:** Preferred Qualifications: 12. Experience focused in multimodal models, reinforcement learning, and/or reasoning 13. Proven track record of achieving significant results as demonstrated by publications at leading workshops, journals or conferences such as ICASSP, INTERSPEECH, NeurIPS, ICML, ICLR, or similar 14. Experience taking ideas from research to production 15. Experience solving complex problems and comparing alternative solutions, tradeoffs, and different perspectives to determine a path forward 16. Experience working and communicating cross functionally in a team environment **Public Compensation:** $117,000/year to $173,000/year + bonus + equity + benefits **Industry:** Internet **Equal Opportunity:** Meta is proud to be an Equal Employment Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Meta participates in the E-Verify program in certain locations, as required by law. Please note that Meta may leverage artificial intelligence and machine learning technologies in connection with applications for employment. Meta is committed to providing reasonable accommodations for candidates with disabilities in our recruiting process. If you need any assistance or accommodations due to a disability, please let us know at accommodations-ext@fb.com.