Grapevine Round1 AI is looking for a final year PhD graduate to join the Backend Engineer team for TikTok in Singapore. This role focuses on optimizing system architecture for large-scale recommendation systems and enhancing performance, stability, and cost-efficiency.

The ideal candidate will have excellent programming skills, a strong understanding of data structures and algorithms, and proficiency in either C/C++ or Python. This is a 2026 graduate opportunity aimed at research-driven infrastructure engineering.