Machine Learning Engineer Graduate (Short Video Content Understanding/Multimodal Recommendation) - 2026 Start (BS/MS)

Responsibilities

• Lead multimodal algorithm development for TikTok’s short-video business, exploring applications of multimodal technologies in recommendations and related scenarios to improve key business metrics.
• Conduct cutting-edge research in multimodal and MLLM technologies, designing robust algorithms to meet business needs while pursuing technical breakthroughs.
• Drive engineering deployment and implementation, ensuring model stability, scalability, and efficiency across production environments and data pipelines.
• Focus on key areas including:
• • General AI platform design and development, covering few-shot/zero-shot on MLLMs, AI labeling, auto prompting, active learning, continued pretraining, and reinforcement learning.
  • Integration of content understanding with recommendation systems, including UGC ecosystems, cold-start handling, interest exploration, and comment understanding.
  • Leveraging multimodal techniques to build next-generation recommendation systems, such as generative models and end-to-end approaches.

Requirements

• Proven experience in multimodal content understanding, with expertise in large language models (LLMs) and familiarity with current progress in the field.
• Strong technical foundation in at least one major deep learning framework (e.g., PyTorch or TensorFlow).
• Proactive mindset, a strong sense of ownership, excellent communication skills, and ability to collaborate across teams.
• Degree attainment: Bachelor’s, Master’s, or PhD in Software Development, Computer Science, Computer Engineering, or a related technical discipline, with completion or recent graduation.
• Hands-on experience deploying content understanding solutions in search, advertising, recommendation, or related domains.

Technologies

• PyTorch
• TensorFlow

Benefits

• Medical, dental, and vision insurance from day one
• 401(k) savings plan with company match
• Paid parental leave
• Short-term and long-term disability coverage
• Life insurance
• Wellbeing benefits
• 10 paid holidays per year
• 10 paid sick days per year
• 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure)

LA County (Unincorporated) Candidate Notice

• Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.
• Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:
• 1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;
• 2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and
• 3. Exercising sound judgment.