[Remote] Research Scientist Intern- (Trust and Safety - CV/NLP/Multimodal LLM) - 2026 Start(PhD)

Note: The job is a remote job and is open to candidates in USA. TikTok is the leading destination for short-form mobile video, and they are seeking a Research Scientist Intern to join their Trust and Safety algorithm team. The role involves developing advanced models and algorithms to recognize violation content and optimize distributed model training frameworks. Responsibilities Develop computer vision model or multimodality model to recognize violation content in TikTok Explore cutting-edge multimodal or computer vision large models (CLIP, COCA, ALBEF, BLIP, Flamingo, ViT-G, ViT-22B, EVA-enormous, etc) Explore the application of LLM in our business scenarios, like pre-training, zero-shot/ few-shot learning, hard case mining, etc Continuously optimize the training framework to better adapt to the training of large models Skills PhD candidate in computer science or a related technical discipline Related Research Experience at least one of the following areas: computer vision, multimodality, LLM Be proficient with at least one deep learning framework (e.g. PyTorch, TensorFlow) Have excellent analytical and problem-solving skills, logical thinking skills, communication and collaboration skills Published papers in the top AI conferences or journals is a plus, including CVPR, ICCV, ECCV, NIPS, ICML, ICLR, TPAMI, IJCV, etc Benefits Interns have day one access to health insurance Life insurance Wellbeing benefits 10 paid holidays per year Paid sick time (56 hours if hired in first half of year, 40 if hired in second half of year) Housing allowance Company Overview TikTok is a short-form video entertainment app and social network platform. It is a sub-organization of ByteDance. It was founded in 2003, and is headquartered in Los Angeles, California, USA, with a workforce of 10001+ employees. Its website is Company H1B Sponsorship TikTok has a track record of offering H1B sponsorships, with 979 in 2025, 601 in 2024, 387 in 2023, 322 in 2022, 133 in 2021, 72 in 2020. Please note that this does not guarantee sponsorship for this specific role.