Software System Engineer

• Aug 2020 - Present

Software Engineer Manager & Tech Lead

• May 2013 - Jun 2020

● Managed design and implementation of EasyMesh Wireless Network controller. ● Led Wireless Extender FW Team of nearly 20 developers and testers in the U.S. and India. ● Communicated effectively with senior managers, Chief Technology Officer staff, and marketing and system teams to define feature set and roadmap for AP/extender products. ● Architectured the portable SDK and NBI interface (with JSON over HTTP) to access and control EasyMesh controller data elements stored in SQLite database from the cloud and mobile app. ● Spearheaded all software development on ARRIS/Motorola extender and video bridge products. ● Developed the WiFi 6/6E and WiFi 5 extenders based on Broadcom and Quantenna WiFi chips, and integrated remote management functions from TR69 server and mobile app. ● Charted automation test tool for wireless performance benchmark test and long-term reliability test ● Analyzed trace logs, OTA captures and core dumps to identify and resolve issues impacting system interoperability; wireless connection; throughput; TCP/IP; video freeze; EasyMesh; TR69 agent; mobile agent; kernel crash; memory leaking; and system performance. ● Served as main contact for software support, organizing onsite and remote troubleshooting to service customers and the factory. Accomplishments: ● Honored with “Star Award” for leading the AMAP Controller Team to complete development of the world’s first EasyMesh certified product and prepare for IBC demonstration. ● Improved and gated the quality and reliability for wireless extenders and video bridges that deployed to millions of customers, including AT&T, DIRECTV, Bell Canada, and France Telecom. ● Earned Star awards for support to customers on wireless video bridge and on WVB2 and VAP 2500 for AT&T. ● Developed and enhanced wireless home network management algorithms to actively manage the mesh network and to steer STAs for better performance and load balance. Added system healthy monitor and recovery function Show less

Senior Staff Engineer & Project Leader

• Jan 2007 - May 2013

● Led customer support, requirement assessment, firmware release planning, and factory support. ● Managed up to 15 firmware and test engineers in the U.S. and India. ● Developed VIP STB on WinCE and wrote HAL driver for flash, tuner, Mll interface, and Ethernet switch use C. ● Designed and implemented software for CDMA SyncML Manager and completed integration between SyncML Manager and components such as BREW U, OBEX, PIM Database, and MPT tool. ● Spearheaded SyncML to feature complete stage as Core Developer of CDMA Local Sync feature for Mot’s handset. ● Debugged the MSM/MCDSP hardware interface and software low-level driver. ● Supported subcomponent teams by debugging and resolving MPT server/mobile client interfacing issues. Accomplishments: ● Delivered 802.1 wireless video access points (VAP) and STA to AT&T, Vodafone, and Bell Canada. ● Designed and implemented wireless video features on embedded Linux platforms, including firmware (FW) upgrade; TR-069 remote management; and 802.1 related feature enhancement and bug fixes and throughput test. ● Honored with a “Bravo Award”” for developing a high-performance IPTV WiFi solution. ● Earned “Bravo Award” for FW software release of VAP2500 for AT&T and VAP2400 for Verizon. ● Added low power and long music playback while working on projects to integrate external CSR Blue-tooth SOC into CDMA phones and added driver support for CSR SOC chip on blue-tooth transport. Show less

Senior Software Engineer

• Jun 2002 - Jan 2007

● Implemented software for Wavecom products to interface with other devices through USB, I2C, GPIO, SPI, RS232 etc. Wrote driver code for Wavecom USB device, and new LCD and flash memory parts. Debugged and tested the system with Trace32, bus monitor, Oscilloscope and logic analyzer. ● Developed BSP software features, and significantly enhanced the FW download speed by 4 times. Improved performance of our wireless module in power consumption and battery charging. ● Involved in adding custom features to Wavecom’s CDMA core software, including IOTA, GPSOne, QNC, data call retry, TCP/IP. Fixed various CDMA software bugs ● Designed and developed the MMI application software for Wavecom handsets to meet our customers’ needs. Integrated Wavecom’s OpenMMI platform to various hardware prototypes. Show less

Software Engineer

• Apr 2001 - Jun 2002

· ● Participated in developing and integrating software for Siemens’s GSM/TDMA phone - S46. ● Designed and implemented AT&T Wireless specified MMI features and mobile applications for both GSM and TDMA technology (including NAM programming, System Searching, Technology Switching, International Call, etc); Written embedded C program in GBS and Nucleus RTOS. ● Solved various handset software bugs in areas of Address book, Flex Memory, IRDA, Organizer, etc, and tested with equipment. Cooperated with Integration team to pass test cases. Show less

Software Engineer

• Jan 2000 - Apr 2001

● Completed the full resource file generators of Motorola’s phone tools - CPB using Visual C++, MFC, SQL and ODBC. Successfully integrated it with Motorola’s platform GUI - Synergy and applied in P2K cellular phone release. ● Integrated Motorola’s CDMA handset system and tested with CMD80; Analyzed the handset problems based on data log files and test results; Fixed CDMA call processing related software bugs and implemented various feature enhancement. ● Completed the full resource file generators of Motorola’s phone tools - CPB using Visual C++, MFC, SQL and ODBC. Successfully integrated it with Motorola’s platform GUI - Synergy and applied in P2K cellular phone release. ● Integrated Motorola’s CDMA handset system and tested with CMD80; Analyzed the handset problems based on data log files and test results; Fixed CDMA call processing related software bugs and implemented various feature enhancement.

Research Assistant

• Jul 1998 - Dec 1999

·● Involved in developing the scientific instrument -KSOLO Autonomous Drift System to acquire real time scientific data and transmit to ALGOS satellites. Analyzed the data and created the algorithm. ● Processed satellite images and analyzed scientific data in NASA projects, and published results in paper. Administrated SIO’s X-band Satellite Ground Station. ·● Involved in developing the scientific instrument -KSOLO Autonomous Drift System to acquire real time scientific data and transmit to ALGOS satellites. Analyzed the data and created the algorithm. ● Processed satellite images and analyzed scientific data in NASA projects, and published results in paper. Administrated SIO’s X-band Satellite Ground Station.

System Engineer

• Jul 1995 - Sep 1997

Proposed the polar-orbiting satellite data receiving & image processing system project, and funded by SOA. Developed the real-time antenna control & data acquisition system for polar-orbiting satellites; Implemented the satellite data receiving & image processing software; Installed and supported the ground station systems for real-time receiving & processing of meteorology satellite data; Diagnosed and solved hardware & software issues for our customers. Proposed the polar-orbiting satellite data receiving & image processing system project, and funded by SOA. Developed the real-time antenna control & data acquisition system for polar-orbiting satellites; Implemented the satellite data receiving & image processing software; Installed and supported the ground station systems for real-time receiving & processing of meteorology satellite data; Diagnosed and solved hardware & software issues for our customers.