(General Hire) Machine Learning Scientist Graduate (TikTok Recommendation) - 2026 Start (PhD)

Responsibilities

• Build industry-leading recommendation system, improving user experience, content ecosystem and platform security
• Deliver end-to-end machine learning solution to address critical product challenges
• Own the full stack machine learning system and optimize algorithms and infrastructure to improve recommendation performance
• Work with cross-functional teams to design product strategies and build solutions to grow TikTok in important markets

Qualifications

• Minimum Qualifications: Individuals who are completing or have recently completed a PhD degree in computer science, machine learning, or similar fields.
• Solid knowledge and experience with at least one popular deep learning framework (e.g., PyTorch, TensorFlow) and familiarity with deep neural network architectures
• Preferred Qualifications: Research experience in one or more of the following fields: applied machine learning, machine learning infrastructure, large-scale recommendation system, market-facing machine learning product. Strong first-author publications record in major AI conferences or journals (e.g., NeurIPS, ICML, ICLR, ACL, EMNLP, NAACL etc.). Proficient in C/C++, Python, and shell programming languages, and have a deep understanding of data structure and algorithm design. Internship experience in an AI research organization