AI Agent Algorithm Engineer Intern (Global E-Commerce, Conversational AI) - 2027 Start (PhD)
Core
Build and evolve the agent runtime for TikTok's global e-commerce customer service, creating a self-evolving system where served conversations drive continuous training and improvement.
Role type
PhD intern, AI Agent Algorithm Engineer
Builds
Self-evolving agent runtime, context/memory systems, post-training pipelines, and evaluation harnesses for customer-service agents
Domain
E-commerce, Conversational AI, Large Language Models
Deliverable
production ML models
Required skills
Python, C++/Go/Rust/Java, Machine Learning, Deep Learning, NLP, LLM fine-tuning, Agent loop engineering, Context engineering, Tool integration, Evaluation design
Preferred skills
Post-training (SFT/DPO/RLHF), Agent systems (harness/MCP/sub-agents), Evaluation benchmarks (LLM-as-judge), Inference serving (vLLM/TensorRT-LLM), Multilingual NLP, Open-source contributions
Technologies
Python, C++, Go, Rust, Java, vLLM, TensorRT-LLM, MCP, SFT, DPO, RLHF, LLM-as-judge
Responsibilities
Orchestrate agent skills and tools; Engineer context and memory for long multi-turn agents; Post-train and fine-tune LLMs; Design and integrate tools and MCP connectors; Build evaluation harnesses; Own end-to-end surfaces and ship to production
Seniority
PhD Intern, hands-on IC
