[Remote] Machine Learning Engineer Intern (Trust and Safety - CV/NLP/Multimodal LLM) - 2026 Summer(BS/MS)

Note: The job is a remote job and is open to candidates in USA. TikTok is the leading destination for short-form mobile video, and they are seeking a Machine Learning Engineer Intern for the 2026 summer internship program. The role involves developing advanced computer vision and NLP models to enhance content safety on the platform, as well as optimizing model training frameworks. Responsibilities Leverage multimodal large models to explore few-shot and zero-shot strategies for content safety scenarios, and build moderation models with strong generalization capabilities Participate in reinforcement learning–based data mining, and help design Chain-of-Thought (CoT) annotation frameworks to improve the model’s understanding of complex risks Build risk ranking and recall systems to enhance coverage and accuracy in identifying high-risk content Collaborate with product and policy teams to drive real-world deployment and performance optimization of moderation algorithms Skills Currently pursuing a Master degree with a background in computer science, machine learning, or similar fields Solid foundation in machine learning and deep learning; familiarity with multimodal modeling; hands-on experience with large model projects is a plus Interest in content safety, with an understanding of the challenges in risk identification within moderation workflows Proficient in end-to-end algorithm development, including data processing, modeling, and evaluation; experience with PyTorch or TensorFlow is required Strong learning ability, clear communication, and a strong sense of teamwork and responsibility Benefits Interns have day one access to health insurance Life insurance Wellbeing benefits and more Interns also receive 10 paid holidays per year Paid sick time (56 hours if hired in first half of year, 40 if hired in second half of year) Interns who are not working 100% remote may also be eligible for housing allowance. Company Overview TikTok is a short-form video entertainment app and social network platform. It is a sub-organization of ByteDance. It was founded in 2003, and is headquartered in Los Angeles, California, USA, with a workforce of 10001+ employees. Its website is Company H1B Sponsorship TikTok has a track record of offering H1B sponsorships, with 979 in 2025, 601 in 2024, 387 in 2023, 322 in 2022, 133 in 2021, 72 in 2020. Please note that this does not guarantee sponsorship for this specific role.