About the role#
This internship is part of the E-commerce Global Supply Chain and Logistics team. You will work on AI-native capabilities for global logistics, including logistics agents, address intelligence, and workflow automation for supply chain operations. This role focuses on applying LLMs, agents, reinforcement learning, and retrieval systems to real logistics problems at scale.
What you'll do#
- Develop large language models and agent systems for global E-Commerce supply chain and logistics.
- Build domain LLM capabilities, including continued pre-training, SFT, preference optimization, and reinforcement learning.
- Create multimodal and structured understanding capabilities for logistics scenarios, such as text, numerical time series, and product attributes.
- Develop core agent capabilities like AutoResearch, task decomposition, RAG, and tool use.
- Manage agent architecture, engineering, and evaluation, including runtime orchestration, memory management, and regression testing.
What you'll need#
- Currently pursuing a PhD in artificial intelligence, computer science, operations research, automation, statistics, mathematics, or a related field.
- Experience with LLMs, agents, RAG, tool use, post-training, or applied NLP systems.
- Strong programming skills in Python and familiarity with Java, C++, Go, or TypeScript.
- Familiarity with machine learning frameworks like PyTorch, TensorFlow, JAX, vLLM, Hugging Face, LangChain, or LlamaIndex.
- Research or project experience in coding agents, workflow orchestration, or automated evaluation systems is preferred.
- Experience with LLM post-training techniques like SFT, DPO, PPO, GRPO, or RLHF.
- Background in e-commerce, logistics, operations research, or knowledge graphs.
- A history of published papers, open-source contributions, or hands-on projects in AI engineering.
Location & details#
- Location: Seattle, Washington, USA.
- Employment type: Full-time intern.
- Work modality: On-site.
- Compensation: $57 per hour.
- Applications are reviewed on a rolling basis.
About TikTok
TikTok operates as an entertainment provider. The company maintains a global presence with offices in cities including Los Angeles, Singapore, New York, London, and Tokyo. It employs over 92,000 people. The organization is privately held.
How to get in at TikTok
Landing an internship at TikTok requires speed because early applicants often get seen before the pile grows. Intern Insider sends an instant alert the moment a role matching your target is published anywhere, so you can apply among the first. This gives you a better chance of your resume being reviewed while the team is still actively filling the position. You should aim to be one of the first people to submit your materials. Reaching out to the right person can also improve your chances of getting a response. Intern Insider surfaces the recruiters behind the company roles so you can contact them directly to ask about the role or a referral. This direct approach often works better than waiting for a response from a general application queue.
