Multimodal LLM Algorithm Engineer Intern (Global E-Commerce, Knowledge Graph) - 2027 Start Undergraduate​/Master Intern

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@2026 Tik Tok

Technology

Location:

Employment Type:

Intern

Job Code:

A226080

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We are part of the Global E-commerce Algorithm team, building multimodal content understanding, product understanding, semantic matching, pricing intelligence, and intelligent Agent capabilities for global content-commerce scenarios. Leveraging our massive-scale video content and global product data, we explore NLP, CV, Multimodal LLMs, Video LLMs, Multimodal Embedding & SID, Multimodal Reasoning, and Agent technologies to power product catalog construction, identical product matching, content-product linking, price comparison, AIGC content generation, and next-generation generative search and recommendation.

We are looking for talented individuals to join us for an internship. Our internship program offers students hands‑on experience, industry exposure, and opportunities to apply their knowledge to real‑world challenges while building a strong foundation for personal and professional growth. Interns will gain practical experience, explore potential career paths, and participate in social events, learning programs, and development workshops alongside industry professionals.

• Build global product catalog and content understanding systems, modeling products, videos, images, merchants, and brands with structured and semantic representations.
• Develop algorithms for identical product matching, product/merchant/brand deduplication, and cross-lingual product aggregation, addressing multimodal matching, real-time aggregation, multi-granularity clustering, and semantic alignment.
• Build pricing algorithms for price comparison, product pricing, price monitoring, and anomaly detection, supporting subsidy programs, price competitiveness analysis, and supply optimization.
• Construct multimodal semantic links across video-product, product-product, and video-video relationships to support trend understanding, product mining, AIGC generation, and content-commerce supply optimization.
• Explore next-generation generative search and recommendation through full-format representation learning and SID modeling across videos, live streams, products, and queries.
• Design and develop generative algorithms tailored for high engaging, high conversion e-commerce visual creatives, solving challenges in identity-preserving and aesthetic style consistency to produce production‑grade intelligent background synthesis，virtual try‑on, and localised lifestyle scene generation.
• Explore business‑facing Agents such as price comparison Agents, product analysis Agents, content AIGC Agents, and merchant operation Agents, leveraging RAG, tool calling, planning, reasoning, and automated evaluation.
• Own the end‑to‑end algorithm workflow, including data construction, model training, evaluation, deployment, badcase analysis, and continuous iteration.

• Minimum Qualifications
  1. Currently Pursuing a Undergraduate or Master's degree in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
• Minimum Qualifications
  2. Strong research or practical experience in NLP, CV, generative models (e.g. Diffusion，GANs，Control Net) , multimodal learning, large models, or Agents;
• Minimum Qualifications
  3. Proficiency in PyTorch / Tensor Flow and hands‑on experience in model training, tuning, and deployment;
• Preferred Qualifications
  1. Experience with LLM/VLM, Embedding/SID, RAG, Tool Calling, or Agent Planning is preferred.
• Preferred Qualifications
  2. experience with distributed training, mixed precision, inference acceleration, TensorRT, or LLM serving optimization is a plus.
• Preferred Qualifications
  3. Experience in multimodal retrieval, product understanding, content understanding, search/recommendation, pricing algorithms, intelligent Agents, or AIGC projects is preferred.
• Preferred Qualifications
  4. Passion for frontier AI technologies; familiarity with Video LLMs, Multimodal Reasoning, vision-language alignment, long-video understanding, or generative…