Past employments
- LTE modem product bring up, integration, field deployment for protoype studies in 10+ sites over US
- Redesigned and migrated FW project to GN build system, improve build time and eliminate flakly builds
- Implemented python host tools framework for developers and field ops’ speeding up daily operations
- Automating github CI framework with on device HW test
- Firmware Lead of Verily Patch Class 1 med device, taking it from start to pilot
- Drove product Bluetooth SIG certification and FDA 510K certification
- Manage cross functional team communication and product schedules
- Technical mentor-ship of junior team members
- Oversaw FW release process and implementation of release infrastructure
- Enabled HW factory manufacturing flow in China
- Achieved multiple internal/external user studies and GA launch
- Own multiple core system components
- Published python host tools to internal and external users
- Bring up and maintain BLE communication stack on Nordic NRF528xx
- Developed custom Android Platform for new POS register
- Designed and Implemented WIFI + USB log monitoring services for telemetry purpose
- Debugged and optimized Android WIFI stack
- Implemented over the air system upgrade components
Square|Embedded Software Engineer
- Developed firmware and help ship 2 Square credit card reader products
- Build up and maintained a CI/CD on-device HW test infrastructure
- Implemented a USB stack on Freescale Kinetis MCUs
- Design and Implemented battery management and power control logic for Square card readers
- Implement JTAG/GDB/OpenOCD support for new custom silicon
- Developed hardware feature verification tests of Tegra4 crypto engine
- Maintained and developed Trustzone secure OS on Tegra Android
- Maintained and developed Widevine, HDCP key management in Android
- Designed and developed Trustzone secure OS build flow within Android
- Work with OpenOCD, open source project, to bring a kernel debugger compatible with Tegra 3 devices