Software Engineer Project Intern (Model Infrastructure) - 2026 Start (BS/MS)

Responsibilities About the Team The TikTok Model Infrastructure team is the core engine powering the world's most engaged "For You" feed. We focus on the engineering efficiency and architectural evolution of recommendation models at an unprecedented scale. As we lead the industry's shift toward LLM2Rec and Large Recommendation Models (LRM), our mission is to build ultra-high-performance infrastructure that bridges the gap between massive data scale and extreme algorithmic complexity. We tackle …