Matthias Langer is an AI Developer Technology Engineer at NVIDIA DevTech in Shanghai, where he engages in the development of NVIDIA Merlin HugeCTR and other NVIDIA Merlin components. His work mainly focuses on workload distribution, algorithm parallelization, and performance optimization of HPC recommendation systems. Matthias holds a Ph.D. in computer science from La Trobe University in Melbourne and has over 10 years of experience as a software engineer and machine learning researcher.