Backend Engineer Graduate (TikTok Recommendation Architecture) - 2026 Start (BS/MS)

About the Team

Our Recommendation Architecture Team builds and optimizes the recommendation system to provide the most stable experience for TikTok users. The team focuses on architecture, stability, high availability, and performance of both online services and offline data flows, collaborating with the algorithm team to enhance recommendation effectiveness and user experience while reducing costs. We build data and service mid‑platforms and create flexible, scalable high‑performance storage and computing systems.

Responsibilities

• Participate in the design of recommendation systems to enhance development efficiency, performance, scalability, and recommendation effectiveness.
• Optimize backend systems and services for data security, modularity, computational efficiency, and scalability.
• Troubleshoot production systems, and design and implement tools to ensure overall stability.
• Build industry‑leading distributed syste...