Machine Learning Engineer, AI Agent

TikTok is a short-form mobile video platform, and its team develops algorithms for international advertising customer growth. The Machine Learning Engineer will build the core AI agent for advertising sales, develop reusable skills and automation capabilities, and create stable, reliable agent infrastructure.

Responsibilities:

• Build the core "brain" of an AI agent for the advertising sales domain and track cutting-edge technologies. Explore mainstream Agent frameworks, continuously monitor the latest advancements in the AI Agent field, and introduce and validate the feasibility of new technologies—with a focus on enhancing automated task planning and scheduling, tool invocation, multimodal interaction, and deep research capabilities. Establish an Agent evaluation mechanism for Harness-driven iteration
• Develop a Skills toolset for advertising sales and customer acquisition scenarios, building and optimizing a suite of high-performance, reusable Skills
• Explore Agent automation and self-evolution, enabling the Agent to learn from real-world interaction data and continuously improve its decision-making and execution capabilities
• Build stable and reliable Agent infrastructure, including performance and stability optimization of the Agent system