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Machine Learning Engineer Graduate (Conversational AI) - 2027 Start

TikTok • Seattle, WA, US • published 2026-10-10 09:03:13.205427

Description

Technology Machine Learning Engineer Graduate (Conversational AI) \- 2027 Start **Location :** Seattle **Employment Type :** Regular **Job Code :** A31120 Responsibilities **Team Introduction:** We build the next\-generation unified Agent system for TikTok's global e\-Commerce customer service — running in 30\+ languages across one of the largest e\-Commerce surfaces on the internet. Our north star is a self\-evolving Agent: post\-training, harness, memory / context engineering, tools, and evaluation form one closed loop, and every served conversation becomes the next iteration's training / eval / retrieval / skill\-induction signal. This loop is already running in production — cases are mined, root\-caused, turned into constrained candidates, replayed against frozen regression sets, and shipped behind guardrails. Two things make this team different from most "LLM application" work: \- We build the agent runtime itself — Codex / Claude\-Code\-class — not prompts on top of a vendor API. \- Evaluation and experimentation are first\-class systems, not an afterthought. A self\-improving loop optimizes whatever signal you give it, so the hardest and most valuable engineering here is mak...

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