Machine Learning Scientist Intern (TikTok-Recommendation) - 2026 Start (PhD)

Join the Recommendation algorithm team to develop and optimize end-to-end machine learning solutions that improve user experience and strengthen platform safety. You will work on industry-leading recommendation systems and address high-priority challenges in content understanding, LLMs, robustness, and fairness. The role includes designing and iterating full-stack ML pipelines—from algorithm ideas to system infrastructure—and collaborating cross-functionally to drive growth in global markets.