D. degree in Computer Science, Artificial Intelligence, Machine Learning, Natural Language Processing, Computer Vision, Statistics, or relevant technical field Must obtain work authorization in country of employment at the time of hire and maintain ongoing work authorization during employment Experience with Python Experience with deep learning frameworks such as PyTorch Research experience in machine learning, including training or fine-tuning deep learning models and designing experiments to evaluate them Familiarity with large language models and AI-native development (Claude, Codex etc) Intent to return to the degree program after the completion of the internship/co-op Proven track record of research achievements as demonstrated by publications at leading venues such as NeurIPS, ICML, ICLR, ACL, EMNLP, NAACL, COLM, CoLLAs, KDD, WWW or ICWSM Research or project experience in one or more of: continual or lifelong learning, multi-task learning and model merging, active learning, knowledge distillation, LLM post-training (SFT, preference optimization, RL), uncertainty estimation and calibration, learning from AI feedback or LLM judges, multimodal modeling, or sequence/graph modeling of user behavior Experience applying ML to trust and safety, content moderation, fraud or abuse detection Experience with large-scale or parameter-efficient training (e.g., LoRA, distributed training) Demonstrated software development experience via internships, work experience, coding competitions, or widely used open-source contributions Experience working and communicating cross-functionally in a fast-paced environment, with the ability to frame real-world problems as rigorous ML problems and drive iterations from clear analysisMeta builds technologies that help people connect, find communities, and grow businesses. People who choose to build their careers by building with us at Meta help shape a future that will take us beyond what digital connection makes possible today-beyond the constraints of screens, the limits of distance, and even the rules of physics.