Team Introduction

TikTok's Recommendation Architecture Team is responsible for designing and developing the architecture and computing systems that power the recommendation engines behind products with over a billion users. The team ensures system stability and high availability, abstracts general-purpose real-time and batch computing frameworks, and builds flexible, scalable, high-performance storage systems and computing models. We provide core infrastructure and general-purpose components for key areas such as deduplication, counting, feature generation, training pipelines, and stream-batch computing engines, enabling the success of recommendation services at scale. For roles looking to start before calendar year 2026 : We are looking for talented individuals to join us for an internship in from Sept. 2025 onwards. Internships at TikTok aim to offer students industry exposure and hands-on experience. Watch your ambitions become reality as your inspiration brings infinite oppo...