TikTok
Machine Learning Engineer Graduate (Conversational AI) - 2027 Start
San Jose, California · Full-time · Posted Oct 28, 2026
- Experience
- Graduate role; candidates must be completing or have recently completed a bachelor’s degree. No years of experience specified.
- Education
- Bachelor’s degree in Computer Science, Electrical Engineering, Mathematics, Statistics, or a related discipline.
About the job
Build and improve TikTok Shop’s production conversational AI agent system for global e-commerce customer service, including its runtime, learning loop, evaluation, and experimentation systems.
What you'll do
- Develop agent runtime, safety guardrails, tools, and context and memory management for long multi-turn conversations.
- Build post-training and data flywheel systems that convert served conversations into training, evaluation, and retrieval signals.
- Create trustworthy evaluation and online experimentation systems, including regression checks, canaries, A/B tests, and causal readouts.
What they ask for
- Completing or recently completed a bachelor’s degree in Computer Science, Electrical Engineering, Mathematics, Statistics, or a related discipline.
- Strong Python plus one of C++, Go, Rust, or Java.
- Solid ML/DL/NLP fundamentals and hands-on LLM or agent experience through coursework, research, internship, competition, open source, or a serious side project.
- Basic statistical literacy and ability to turn a paper or engineering blog into working code.
Nice to have
- Built an agent runtime, memory/context system, RAG or tool-use agent, or fine-tuned/post-trained model.
- Experience in post-training, agent systems, evaluation and experimentation, self-improving systems, inference/serving, or multilingual NLP.
Tools
Python, C++, Go, Rust, Java, SFT, DPO, RL, MCP
AI focus
Build a self-evolving conversational AI agent for global e-commerce customer service, including agent runtime, memory and context engineering, post-training, tool use, evaluation, and online experimentation.
Model-written summary · the original posting is authoritative