Backend services for Prime Video Recommendation platform.

Camera subsystem for Hololens 2 and military IVAS goggles.

Projects: Axon Body 3 and Axon Dock+ Architecture and major contributor for evidence management, uploading to cloud securely and efficiently. Working closely with cloud team on solidify the system to ingest over 100TB per day with success rate >99.9%. + Design and implement logging system, secure log upload and Splunk ingestion.+ Build Splunk dashboard for device health monitoring and alert, making tutorial for the team. + Significantly improve the performance of location service. + Tech lead for engineering AI-powered gunshot detection. + Deliver remote wakeup and sync with Split Tunnel VPN over LTE. + Pivotal role in delivery firmware update, connection manager, device state update, live streaming + Leading role in delivery external client integration. + Level up testing with ATS on Jenkin, unit test with Google Test Framework. Over 80% in unit test coverage and integration testing.

Core duty: + Embedded system development including Embedded Linux && C/C++. Build Linux kernel, u-boot, device tree and root file system, firmware update, device flashing procedure and boot optimization.+ Responsible for adopting and developing embedded linux system for industrial multi-channel energy meter at high resolution (1second). + Tech lead a team to deliver a gateway to communicate with existing building management meters and systems. Design a software layer to provide run-time procedure to map any industrial devices with various protocols into our system on the fly.+ Develop test automation with google test framework, Python and scripting. Lab automation with LABView. Build server and continuous integration with TeamCity.

Game designer for multi-platform game Eyebert.