PhD Internship: AI & LLMs for Global Logistics

TikTok Inc.; San Jose (CA); On-site; USD 33,000 - 60,000; Full time

Benefits offered by this job

Internship program

PhD-friendly environment

Mentorship and networking

Job summary

TikTok Inc. is seeking PhD-level interns to join the E-commerce Global Supply Chain and Logistics team. You will work on AI-native capabilities for global logistics, including agents, address intelligence, context engineering, and workflow automation.

Ideal candidates are pursuing a PhD and have experience with LLMs, agents, and reinforcement learning, applying these to real logistics challenges at scale. This internship emphasizes hands-on research, collaboration, and impact across TikTok’s

Qualifications

• Currently pursuing a PhD in AI, CS, OR, automation, statistics, mathematics, or related discipline.
• Experience with LLMs, agents, RAG, tool use, post-training, evaluation, or applied NLP systems.

Responsibilities

• Support development of large language models, agent systems, and related intelligent systems for global E-Commerce logistics.
• Contribute to domain LLM model capabilities for e-commerce supply chain & logistics, including pre-training, SFT, RL methods, and model optimization.
• Support multimodal and structured understanding for logistics scenarios across text, time series, events, images, and documents.
• Develop core agent capabilities for workflows, including task decomposition, RAG, context understanding, and tool use.
• Assist with agent architecture, evaluation, and continuous improvement of context, skills, and model behavior.

Skills

LLMs

Agents

RAG

Tool use

Post-training

Evaluation

Education

PhD candidate

Tools

PyTorch

TensorFlow

JAX

vLLM

Hugging Face

LangChain

LlamaIndex

Job description

TikTok Inc. is seeking PhD-level interns to join the E-commerce Global Supply Chain and Logistics team. You will work on AI-native capabilities for global logistics, including agents, address intelligence, context engineering, and workflow automation.

Ideal candidates are pursuing a PhD and have experience with LLMs, agents, and reinforcement learning, applying these to real logistics challenges at scale. This internship emphasizes hands-on research, collaboration, and impact across TikTok’s