Tech Lead Software Engineer, AI & Agent - TikTok Ecosystem & Platform

About the Team

The TikTok PGC-Ecosystem & Platform team is a global team responsible for ensuring the health and sustainable growth of the content ecosystem. We take on the responsibility of building next-generation backend systems powered by AI and Agents, collaborating with product managers, data scientists, and strategy operations teams. Together, we develop intelligent content understanding, risk identification systems, and automated governance platforms—utilizing cutting-edge technologies like LLMs and RAG—to ensure high-quality content distribution and a fair, creative environment for users and creators worldwide.

As a core Tech Lead Software Engineer, you will go beyond routine coding to design and implement intelligent, scalable solutions. You will work at the intersection of business logic and cutting-edge technology to drive ecosystem efficiency.

Responsibilities

• AI & Agent Integration: Collaborate with product managers and data scientists to design and implement backend architectures that integrate LLMs and Agent-driven workflows into real-world business scenarios. - System Architecture & Optimization: Design and maintain high-performance backend services, ensuring system reliability, scalability, and extensibility to support complex ecosystem governance logic. - End-to-End Solution Delivery: Deeply understand TikTok’s product ecosystem to develop and deploy end-to-end technical solutions that address content quality and platform integrity. - Technical Excellence & Growth: Drive engineering best practices within the team, solving complex technical challenges while growing alongside a team of high-caliber engineers. - Cross-Functional Collaboration: Actively contribute your technical expertise and perspectives to the product development lifecycle, helping the team iterate and scale effectively.