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

Internship at TikTok – Recommendation Architecture Team

The Recommendation Architecture Team builds and optimizes the architecture of the recommendation system to provide the most stable experience for TikTok users. Interns will help:

• Design and implement a reasonable offline data architecture for large‑scale recommendation systems.
• Design and implement flexible, scalable, stable, and high‑performance storage and computing systems.
• Investigate and troubleshoot production system issues and build mechanisms and tools to ensure overall operational stability.
• Build industry‑leading distributed systems such as storage and computing to provide reliable infrastructure for massive data and large‑scale business systems.
• Develop and implement techniques and analytics applications to transform raw data into meaningful information using data‑oriented programming languages and visualization software.