Machine Learning Engineer Intern (Conversational AI) - 2027 Start (PhD)
Core
Building the next-generation unified Agent system for TikTok's global e-commerce customer service, focusing on agent runtime, context engineering, post-training, and self-evolving loops.
Role type
PhD intern, machine learning engineer (conversational AI & agent systems)
Builds
Self-evolving agent runtime, evaluation systems, and data flywheels for live commerce
Domain
E-commerce, conversational AI, large language models
Deliverable
production ML models
Required skills
Python, C++/Go/Rust/Java, ML/DL/NLP fundamentals, LLMs/agents experience, statistical literacy
Preferred skills
Post-training (SFT/DPO/RLHF), agent systems (harness/MCP), evaluation & experimentation, self-improving systems
Technologies
Python, C++, Go, Rust, Java, LLMs, MCP, A/B testing
Responsibilities
Orchestrate agent skills and tools; manage context and memory for long multi-turn agents; implement post-training and data flywheels; build tool and skill libraries; design robust evaluation systems; construct self-evolving loops; conduct online experimentation
Seniority
Intern, research-focused (via careerplan.io/jobs/7670689681491364101-machine-learning-engineer-intern-conversational-ai-2027-start-phd-at-tiktok)
