Nov 2016 – Jul 2019 · 2 yrs 8 mos · Sunnyvale

• Storage and Media Infrastructure
• Working on building a distributed data processing pipeline that provides authentication, authorization, and accounting (AAA) for data composition and streaming, including user frontend logic and backend data stream processing. This system supports create, read, update and delete (CRUD) cycle to user documents with high availability. It has setup for continuous integration (CI), performance monitoring, real-time visualization, client level load balancing, events alerting and notification, error handling and recovery. This solution works with NoSQL database system, blob storage system, Kafka, Zookeeper Hadoop, Samza, Log4j, Kibana, Amazon S3/ETS and Azure. It launched in August 2017 and reached 1M QPS, becoming revenue generator.

Aug 2014 – Oct 2016 · 2 yrs 2 mos · Redmond, Washington

• Worked on Media Editing Pipeline APIs, implemented audio editing functions.
• Worked on video transcoding pipeline, implemented resumable transcoding.
• Developed Bluetooth MIDI APIs, released with the Windows 10.
• Worked on audio pipeline, responsible for HDAudio kernel driver.
• Worked on the next generation of Audio Driver framework.