Machine Learning Engineer Intern; E-Commerce Supply Chain & Logistics-LLM​/Agent PhD

Discover a career that energizes and excites you every day.

@2026 Tik Tok

Technology

Location:

Seattle

Employment Type:

Intern

Job Code:

A78529B

Qualifications

Minimum Qualifications:

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• Currently pursuing a PhD degree in artificial intelligence, computer science, operations research, automation, statistics, mathematics, or a related discipline
• Experience with LLMs, agents, RAG, tool use, post-training, evaluation, or applied NLP systems
• Strong programming ability in Python and familiarity with at least one production-oriented language such as Java, C++, Go, or Type Script
• Familiarity with machine learning and deep learning frameworks such as PyTorch, Tensor Flow, JAX, vLLM, Hugging Face, Lang Chain, Llama Index, or similar ecosystems

Preferred Qualifications:

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• Research or project experience in coding agents, long-horizon agents, computer-use agents, agent harnesses, workflow orchestration, or automated evaluation systems
• Experience with LLM post-training, including SFT, DPO, PPO, GRPO, RLHF, RLAIF, reward modeling, counterfactual data, or evidence-driven decision training
• Experience building benchmarks or evaluation datasets from real user questions, including taxonomy design, golden answers, error attribution, and regression testing
• Experience with e-commerce, logistics, operations research, data platforms, knowledge graphs, or enterprise knowledge management systems
• Published papers, strong open-source contributions, or hands‑on projects in LLMs, agents, NLP, data mining, machine learning systems, evaluation, or AI engineering

Join the E-commerce Global Supply Chain and Logistics team  are building AI-native capabilities for global logistics, including logistics agents, address intelligence, context engineering, agent evaluation, and workflow automation for complex supply chain operations. This role is for candidates who want to apply LLMs, agents, reinforcement learning, retrieval systems, and software engineering to real logistics problems at global scale. We are looking for talented individuals to join us for an internship.

PhD internships at Our Company provide students with the opportunity to actively contribute to our products and research, as well as to the organization's