Yingbo Li
Vancouver,Canada
Summary
Senior Embedded Software Engineer with nearly 20 years of experience in embedded product development. Known for hardworking, multitasking, and time management abilities, I excel at collaborating with teams or working independently in fast-paced environments.
Overview
20
20
years of professional experience
Work History
Principal Software Engineer
Infineon Technologies, Cypress Semiconductor Corporation
Shanghai, China
08.2019 - 07.2023
- Provided crucial support for ZEPP Amazfit watch by developing, testing, and maintaining 43012 SDSPI bus driver on WICED; Developed the 43012CP platform on WICED and ModusToolBox, enabling Wi-Fi applications on the BT core and transforming the 43012 combo chip into a single Wi-Fi SoC
- Responsible for RTOS, network, and application demos development and maintenance, testing, and code releases; Collaborated on the Smart lighting internal project, working alongside the PSS team
- Integrated MQTTS Broker, gateway, BT mesh, and sensors to create a comprehensive smart lighting solution
- Ported the Linux mesh client to 43907 and assumed responsibility for the 43907 gateway designing and development, covering Wi-Fi, Ethernet, file system operation, MQTTS message handling, message callback scheme, HTTPS file transfers, onboarding, heartbeat monitoring mesh connection, and OTA updates
- Developed FW, drivers, and demonstrations for 43012, focusing on TLS1.2 offload
- Rewrote FW TLS encode/decode functions and added support for rfc7366 encrypt-then-MAC
- Successfully Integrated drivers into the Low-Power Assistant (LPA) and conducted TLS offload demonstrations
- Enhanced TLS wakeup patterns with offload support and demonstrated MQTT-S offload
- Ported and integrated WWD into RK2108 platform, WHD into Amazon Ring, LPA into STM Infineon packet.
Principal Software Engineer
OFILM Group
Shanghai, China
12.2017 - 08.2019
- Designed and developed reference APPs for 3D sensing modules and provided extensive customer support
- The 3D modules included PMD(TOF) and Inuitive(stereo and structured light)
- Worked with a range of platforms includeing Rockchip RK3388/RK3399, Qualcomm 835 and AllWinner
- Successfully conducted the bring-up 3D sensing modules on Linux and Android
- Integrated sensing libraries and SDK into customer's systems.
Principal Software Development Engineer
Alinket
Shanghai, China
03.2016 - 12.2017
- Developed and maintained AiDK Alinket IOT platform which is based on WICED(Broadcom IOT platform); Developed and integrated new APPS/Libs/HTTP /HTTPS /BT audio to AiDK; Completed a new Wi-Fi chip support on AiDK; Porting and integrating driver/ cfg80211/ supplicant to AiDK; Complete application demos; Conducted Research into Wi-Fi mesh, and updated mesh MP/MPP behavior to fit the embedded system, achieved mesh bridge(ethernet + mesh; ap + mesh) APPS and tests;
Field Application Engineer
Broadcom
Shanghai, China
04.2014 - 02.2016
- Worked closely with the sales team to provide pre-sales technical assistance and product demos during presentations
- Provided post-sales technical support, and worked closely with AE team members to identify and remove software bugs
- SmartRing Prototype - Suzhou BesCon (Based on WICED Smart, BCM20736S), develop and deploy a SmartRing prototype
- WICED Bridge Product - Navior (Based on WICED, BCM43362, BCM20736), design and launch the WICED Bridge product
- Technical Support for ST Nucleo EVK - ST (Based on WICED WiFi), Provided technical guidance and support to ST for the development of a BRCM WiFi development board compatible with ST Nucleo Evaluation Kits
- Spreadtrum Mobile Reference Platform - Shark_L Project (Android, BCM43305), Offered technical assistance and support for Spreadtrum's Shark_L project
- IoT Product Enablement - IQiyi (Android, BCM43362), Assisted IQiyi in enabling IoT capabilities for their TV dongle product
- Game Box - IQiyi (Android, BCM4354), Supported IQiyi in the development of a gaming box, incorporating BCM43454 as a wireless controller
- Ambarella IPCAM Integration - Ambarella (Linux, BCM43340/BCM43438), Led the integration of BCM43340/BCM43438 into Ambarella's S2LM IPCAM platform
- Mxchip IoT Solution - Mxchip (WICED, BCM43438), EMW3238 wifi module.
Staff Software Engineer
Broadcom
Beijing, China
04.2011 - 06.2013
- Developed set-top box software based on BRCM Platform Nexus/ CDI and chips including BCM7019, BCM7405, BCM7013, BCM7581, BCM7231
- Provided technical support to customers, addressing and resolving software issues related to audio, video, display (graphics), and File systems (e.g., NFS)
- Analyzed and debugged code to resolve issues such as out-of-sync, blurred graphics, crackling audio, and crashes on NFS file systems
- Successfully developed functionality for displaying FLV files on the BCM74054 chip
- Integrated ASTM (audio/ video sync mechanism) into CDI, enhancing in synchronization of multimedia content
- Collaborate closely with NDS to ensure compliance with FGDL and FOSH standards.
Senior Software Engineer
Magnum
Beijing, China
10.2009 - 03.2011
- Developed, tested, and maintained professional media devices for TV stations, with a focus on MPEG2 TS encoder including audio encoding (MP3, AAC, AC3), video encoding(MPEG2, H264), and TS MUX
- Let the packaging of audio and video streams into PES and integrated PSI information generation based on data rates into the MPEG2 TS packaging
- Implemented new features to ensure compliance with DVB, ISDB, and ATSC standards
- Successfully implemented a feature for packaging audio PES with a fixed length
- Resolved various issues related to TS MUX, ensuring smooth and reliable media device operation.
Senior Sofware Engineer
Innofidei Inc
Beijing, China
09.2007 - 10.2009
- Developed a CMMB Demux with support for ZTE mode and IPMux mode, and integrated it into Mplayer and customer player
- Designed and implemented a comprehensive CMMB player, encompassing graphic, display functionality, CMMB Demux integration, Audio/Video synchronization, Audio resampling, and porting open-source Audio and Video decoder(FAAD, Helix, FFMPEG), JPEG decoder (libjpeg)
- Independently designed and implemented JPEG decoder, contributing to efficient decoding on embedded systems.
Software Engineer
Penstar Technology
Shanghai, China
12.2004 - 09.2007
- Developed and optimized AVS audio codec to enable smooth playback at 128Kbps on ARM9 processors
- Implemented fixed-point arithmetic for AVS audio processing, significantly improving computational efficiency and memory usage
- Enhanced the IMDCT algorithm for better audio quality and decoding performance
- Conducted Huffman coding optimizations to accelerate the decoding process
- Ported AVS audio codec to Blackfin, CEVA, and Tensilica DSP chips, achieving high-performance benchmarks
- Independently developed an AAC decoder and H.263 decoder.
Software Engineer
DBTEL
Shanghai, China
04.2003 - 12.2004
- Developed the first 1 Megapixel Camera mobile phone of DBTEL leveraging the Sysol3 platform provided by Philip (NXP)
- Developed sub and main screen savers, adding a visually appealing dimension to the mobile phone's user experience
- Designed and implemented an animation display for the main menu, creating an engaging and user-friendly navigation system for accessing various device features.
- Successfully integrated the company icon using 2D functions provided by the SUNPLUS 553 camera chip, enhancing the device's branding and user interface.
Education
Master - Optical Engineering
University of Electronic Science and Technology of China
01.2003
Bachelor - Applied Physics
University of Electronic Science and Technology of China
01.2000
Skills
- Embedded Systems
- Software Design and Development
- Testing and Troubleshooting
- FreeRTOS /ThreadX
- Embedded Linux
- Internet Protocol Suite (TCP/IP) LwIP / NetX / NetX_Duo
- MbedTLS
- Embedded C
- JIRA
- Git
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Quote
Try not to become a man of success. Rather become a man of value.
Albert Einstein
Timeline
Principal Software Engineer
Infineon Technologies, Cypress Semiconductor Corporation
08.2019 - 07.2023
Principal Software Engineer
OFILM Group
12.2017 - 08.2019
Principal Software Development Engineer
Alinket
03.2016 - 12.2017
Field Application Engineer
Broadcom
04.2014 - 02.2016
Staff Software Engineer
Broadcom
04.2011 - 06.2013
Senior Software Engineer
Magnum
10.2009 - 03.2011
Senior Sofware Engineer
Innofidei Inc
09.2007 - 10.2009
Software Engineer
Penstar Technology
12.2004 - 09.2007
Software Engineer
DBTEL
04.2003 - 12.2004
Master - Optical Engineering
University of Electronic Science and Technology of China
Bachelor - Applied Physics
University of Electronic Science and Technology of China
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