Behavior prediction and planning for autonomous vehicles

• Built an event handler that significantly improved the speed and memory usage of the system used for sending out trade orders

• Designed and implemented a heuristic tool for monitoring interesting options trades

Worked with Ion Stoica and Haoyuan Li on Tachyon, a fault tolerant distributed file system enabling reliable file sharing at memory-speed across cluster frameworks, such as Spark and MapReduce

• Implemented fine-grained caching for columnar data

• Redesigned and optimized the filesystem metadata manager

Worked on the Dropbox for Business team

• Implemented permissions model for nested shared folders

• Re-designed user authentication flow to support proper logging and permissions checks

• Performance improvements to critical server endpoints