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Machine Learning Scientist Intern (TikTok-Recommendation) - 2027 Start (PhD)

San Jose, United States of America💼 Internship🗓 2026-09-28

Core

Develop industry-leading recommendation systems and end-to-end ML solutions for content understanding, LLMs, robustness, and fairness to elevate user experience and platform safety.

Role type

PhD intern, machine learning scientist (recommendation systems)

Builds

Production recommendation models and intelligent solutions for TikTok's global markets

Domain

Social media, recommendation systems, large language models

Deliverable

production ML models

Required skills

deep learning frameworks (PyTorch, TensorFlow), deep neural network architectures, theoretical and empirical research, C/C++, Python, shell programming, data structures and algorithms

Preferred skills

applied machine learning, machine learning infrastructure, large-scale recommendation systems, market-facing ML products, first-author publications in top AI conferences, internship in AI research organization

Technologies

PyTorch, TensorFlow, C, C++, Python

Responsibilities

Design and optimize full-stack ML pipelines from algorithm to infrastructure, collaborate on cross-functional product strategies, tackle high-priority product challenges in content understanding and fairness

Seniority

Intern, research-focused

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