Brian Fischer Email and Phone Number

Tech Lead of VALORANT's Performance and Compatibility team• Improved input performance to support 8k polling rate mice• Added support for global invalidation via engine and content fixes resulting in 15% frame time improvement on cpu bound machines

Performance Engineer in the Technology Development Group(TDG)/Vision Products Group(VPG)• Responsible for maintaining and improving software performance of RealityKit, Reality Composer, and 3D Engine and developing tools to assist with performance analysis

Performed various duties to ensure conference attendees had an enjoyable experience at GDC18 and GDC19

• Updated Electronic Trading Systems and Applications to find dynamic trading gateways• Refactored C++ infrastructure code to build as shared objects and conform to PIMPL Idiom• Improved performance and latency of C++ trading algorithms• Led and mentored interns developing an exchange simulator• Moved trade persistence from SQL to in house CQRS-ES event store• Implemented dynamic option strategy naming• Designed and implemented tool to view and filter live market trades• Developed C# service endpoint discovery tool• Regularly added new functionality to C# trading applications • Used WPF and MVVM patterns for UI enhancements of multiple internal apps

• Implemented a mixed reality educational game that teaches principles of balance and stability• Play tested at The Children's Museum of Pittsburgh and refined based on feedback

• Developed market trade data collectors and validators for the data team• Implemented an Option Greeks visualization tool using rCharts and Shiny

Developed prototype for The Speech Recognition Virtual Kitchen, an online community focused on lowering the entry level to speech recognition by providing users with Virtual Machines that provide a consistent environment for experimentation. The prototype was part of the Show & Tell Demo at Interspeech 2013