Machine Learning Scientist Intern (TikTok-Content Ecology—LLM application) - 2026 Start (PhD)

Join the Content Ecology Algorithm Team to develop and optimize LLM, NLP, and computer vision models that power TikTok’s video understanding, trending detection, intelligent customer service, and personalized content discovery. You’ll implement multimodal AI for video, text, and speech, fine-tune deep learning models with TensorFlow or PyTorch, and deploy scalable machine learning solutions in distributed environments. Collaborate with researchers, engineers, and business teams to improve user engagement and growth.