Join to apply for the Model Infrastructure Engineer Graduate (TikTok Recommendation Architecture) - 2026 Start (BS/MS) role at TikTok .

The Recommendation Architecture team builds and optimizes our recommendation system's architecture to provide a stable and best user experience. As a New Graduate, you’ll work on optimizing Large Language Models (LLMs) and large‑scale recommender models on GPU platforms, building and scaling AI infrastructure that powers state‑of‑the‑art models in production.

We are looking for talented individuals to join our team in 2026. Successful candidates must commit to an onboarding date by the end of 2026. Please state your availability and graduation date in your résumé.

Responsibilities

• Optimize model performance and memory efficiency on GPU‑based systems.
• Collaborate with research and infrastructure teams to deploy high‑throughput training and inference pipelines.