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TikTok · 2 weeks ago

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

United States

Internship

Remote

Intern

$42.75/hr - $42.75/hr

Start in 2026 Summer

TikTok is the leading destination for short-form mobile video, and they are seeking a Machine Learning Engineer Intern to join their algorithm team. The intern will be responsible for developing models and algorithms to enhance content understanding and ensure user safety on the platform.

Content CreatorsContent DiscoveryMedia and EntertainmentSocial MediaVideo

H1B Sponsor Likely

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

Qualification

Machine LearningDeep LearningMultimodal ModelingPyTorchTensorFlowEnd-to-end Algorithm DevelopmentClear CommunicationTeamworkLearning AbilityResponsibility

Required

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

Able to commit to working for 12 weeks during the Summer of 2026

Preferred

Strong learning ability, clear communication, and a strong sense of teamwork and responsibility

Benefits

Day one access to health insurance

Life insurance

Wellbeing benefits

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)

Housing allowance

Company

TikTok

Glassdoor3.4

TikTok is a short-form video entertainment app and social network platform. It is a sub-organization of ByteDance.

Founded in 2003

Los Angeles, California, USA

10001+ employees

https://www.tiktok.com

H1B Sponsorship

TikTok has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

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Trends of Total Sponsorships

2025 (979)

2024 (601)

2023 (387)

2022 (322)

2021 (133)

2020 (72)