Katkat
Technical Screen

TikTok Software Engineer C++ performance interview experience

TikTokSoftware Engineer · Technical Screen · Jul 2026

The recruiter screen focused on my background, C++, and performance optimization. A technical coding interview followed on an online platform. I solved algorithmic problems in C++ and explained my approach and complexity analysis. The same session also covered modern C++ and engineering fundamentals, including memory management, multithreading, STL, and performance optimization techniques. The in…

Shared by a candidate · reported Jul 2026. Interview formats change; use it as a guide, not a script.