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Machine Learning Engineer Graduate (E-Commerce Supply Chain & Logistics - LLM/Agent) - 2027 Start (PhD)

TikTok, San Jose, California

TikTok has this job in 1 other place

Seattle, Washington, United States of America

Posted pay

Pay not posted

Location: San Jose, California
Work type: Not given
Level: Entry level
Skills in the job text: Python
TypeScript
Java
Go
C++
PyTorch
Hugging Face
JAX
LangChain
TensorFlow
vLLM
Posted: Not given
Last check: 2 h ago
Job type: ML / AI engineering, Inference & ML systems

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TikTok

About TikTok: funding, hiring and pay

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The role

Join the E-commerce Global Supply Chain and Logistics team at TikTok. We 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 our team. As a graduate, you will get opportunities to pursue bold ideas, tackle complex challenges, and unlock limitless growth. Successful candidates must be able to commit to an onboarding date by the end of the year. Please state your availability and graduation date clearly in your resume.

What you will do

Responsible for the development of large language models, agent systems, and related intelligent systems for the supply chain and logistics of the global E-Commerce business.
Build and land domain LLM model capabilities for e-commerce supply chain and logistics, covering continued pre-training / CPT, SFT, preference optimization, reinforcement learning such as GRPO / PPO, reward or judge model design, model compression, inference cost and latency optimization, and business applications such as address correction, trajectory prediction, logistics cost analysis, customer service semantic understanding, and root-cause analysis.
Develop multimodal and structured understanding capabilities for logistics and supply chain scenarios, focusing on unified modeling of text, numerical time series, events, product attributes, images, and documents to support scenario simulation, explainable prediction, and integration with existing forecasting or decision systems.
Build core agent capabilities for team and business workflows, including AutoResearch for new solution exploration, Harness-based task decomposition and execution loops, RAG and knowledge retrieval, context understanding, skill / tool use, evidence grounding, and Clone & Adapt workflows for reusing proven solutions across markets and logistics scenarios.
Design and improve agent architecture and engineering systems, including runtime orchestration, memory and state management, model / tool routing, permission-safe execution, observability, benchmark and Golden Set evaluation, badcase attribution, regression testing, online feedback loops, and continuous evolution mechanisms that improve context, skills, workflows, and model behavior over time.

What you need

Individuals who are completing or have recently completed a PhD degree in in artificial intelligence, computer science, machine learning, natural language processing, data mining, software engineering or a related discipline.
Experience with LLMs, agents, RAG, tool use, post-training, evaluation, or applied NLP systems, with the ability to connect model behavior to business and engineering requirements.
Strong programming ability in Python and at least one production-oriented language such as Java, C++, Go, or TypeScript; comfortable building end-to-end systems, not only model experiments.
Familiarity with machine learning and deep learning frameworks such as PyTorch, TensorFlow, JAX, vLLM, Hugging Face, LangChain, LlamaIndex, or similar ecosystems.
Strong problem decomposition skills, data analysis capability, and communication skills; able to work with ambiguous business questions and convert them into executable technical plans.

Nice to have

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

Read the job posting on the TikTok site

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Source: the company job board. We last checked this job 2 h ago. We first saw it 5 days ago. A job on a job board does not always mean that the team interviews people now.

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TikTok

Open tech jobs: 1,334
With posted pay: 2%
Median posted base: $218K–$345K

About TikTok: funding, hiring and pay