Senior Software Engineer, C/C++ SDK Performance Optimization
San Jose
Workplace: OnsiteFull timeFunction: Software EngineeringExperience: 4+ yearsEducation: mastersSkills: ["Ownership mindset","Clear communication","Collaboration","Rapid learning"]Own and optimize the Effect SDK that powers TikTok’s camera and creation experiences. You’ll diagnose and fix frame drops, jank, thermal throttling, and power issues by profiling the camera→effect→render→encode pipeline across CPU, GPU, memory, and threading. Partner with rendering and on-device algorithm teams to evolve the SDK’s business architecture for iOS and Android, while localizing production bugs and improving performance across mobile devices.

