[Remote] Machine Learning Engineer Intern (TikTok Short Video Content Understanding/Multimodal Recommendation) - 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. They are seeking a Machine Learning Engineer Intern to empower content understanding for TikTok's Short Video business by developing advanced algorithms and applications in multimodal recommendation systems.

Responsibilities

• Lead multimodal algorithm development for TikTok’s short-video business, explore applications of multimodal technologies in recommendation systems and other scenarios to improve key business metrics
• Conduct cutting-edge research in multimodal and MLLM technologies, design advanced algorithms to solve business requirements while achieving technical breakthroughs
• Drive engineering deployment and implementation, ensuring model stability, scalability, and efficiency in production environments
• Focus on key areas including (but not limited to):
• General AI platform design and development, including few-shot/zero-shot on MLLM, AI-labeling, auto prompting, active-learning, continue pretraining and RL
• Integration of content understanding with recommendation systems (e.g., UGC ecosystems, cold start, interest exploration, comment understanding)
• Leveraging multimodal techniques to develop next-generation recommendation systems, such as generative models and end-to-end approaches

Skills

• Proven experience in multimodal content understanding, with expertise in large language models (LLMs) and familiarity with cutting-edge progress in the field
• Strong technical foundation in at least one major deep learning framework (e.g., PyTorch, TensorFlow)
• Proactive mindset, strong sense of ownership, excellent communication skills, and ability to collaborate across teams
• Currently pursuing a Master degree with a background in computer science, machine learning, or similar fields
• Able to commit to working for 12 weeks during Summer 2026
• Hands-on experience deploying content understanding solutions in search, advertising, recommendation, or related domains

Benefits

• Interns have 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 Overview

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