AI Agent Algorithm Engineer Graduate (Global E-Commerce, Conversational AI) - 2027 Start (PhD)
Core
Build and evolve the agent runtime (harness/agent loop) for TikTok's global e-commerce customer service, enabling self-evolving agents across 30+ languages.
Role type
Senior IC AI Agent Algorithm Engineer (Graduate)
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, LLMs, agents, post-training (SFT/DPO/RL), context engineering, tool integration, evaluation design
Preferred skills
Agent runtime/harness development, post-training techniques, agent evaluation benchmarks, inference serving, multilingual NLP
Technologies
vLLM, TensorRT-LLM, MoE, MCP, RAG
Responsibilities
Orchestrate skills, tools, and context for agent loops; engineer context and memory for long multi-turn agents; post-train and fine-tune LLMs; design and integrate tools and MCP connectors; build evaluation systems; own end-to-end surfaces and ship to production.
Seniority
Graduate, hands-on IC