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

TikTok is seeking a talented Machine Learning Scientist Intern to join their Recommendation Algorithm team in 2026. This internship offers students industry exposure and hands-on experience in developing industry-leading recommendation systems that elevate user experience, strengthen platform safety, and empower a vibrant content ecosystem. You will collaborate with cross-functional teams, drive development of end-to-end machine learning solutions, and optimize the full-stack ML pipeline to enhance recommendation performance.

Requirements

• Currently pursuing a PhD with a background in computer science, machine learning, or similar fields
• Good knowledge of theoretical and empirical research in addressing research problems
• Solid knowledge and experience with at least one popular deep learning framework (e.g., PyTorch,TensorFlow) and familiarity with deep neural network architectures
• Proficient in C/C++, Python, and shell programming languages, and have a deep understanding of data structure and algorithm design

Benefits

• Health insurance
• Life insurance
• Wellbeing benefits
• 10 paid holidays per year
• Paid sick time
• Housing allowance (potentially)