Working experiences• Managed to deliver Diagnostic system for manufacturing and functional test verification.• Lead team to innovative BSP/Linux, Ethernet Switch, MCU software system.• Analyze prototype build with H/W component detect, production problem during NPI stage.• Handling with customer H/W, S/W team regular meeting and ensuring all of design qualities.• Developed C2960L series switch of Diagnostic system and supported IOS SW team.• Developed reliability test with high/low temperature and voltage margin variation condition. • Reviewed H/W system design diagram/layout files and ensuing full tests coverage.• Developed ARM-Cortex (ST-Micro) STM32F100xx MCU firmware for extend LRM PHY module• Developed BCM56160 Hurican3 BSP, XGS SDK and BCM54216 PHY switch.• Developed BCM82759 and BCM82752 PHY and Miura PHY driver in LRM module device.• Developed BCM7552 ASIC and HDMI 4K video stream, TI audio chip in media gateway.• Developed Marvell AlletCat3/AC3X CPSS SDK software with GE/XG/40G platform.• Developed Marvell Armada 380/390 system for IOT gateway device.• Developed SIERRA Wireless of MC9090 3G/4G LTE RF software system.Senior Software Engineer • Developed ARM Cortex (ST-Micro) STM32F030 MCU firmware for C2960L series switch• Developed H/W, CPU peripheral validation, etc. DDR2/3/4, I2C/SMBUS/GPIO/ EEPROM/NAND/NOR/eMMC/SD flash• Developed Marvell XGs and GE/XG PHYs and Microsemi PoE PSD/PD • Developed Freescale, ARMv7 CPU platform system.• Developed RT5992 802.11n radio test and Wi-Fi logo certification.• Experienced Atheros AR3012 Bluetooth 4.0 profile certification. • Experienced Intel N2600/Rangeley software platform and verified the Intel CPU peripherals and super-IO and upgraded BIOS FW.• Developed U-Boot, BSP, Linux with MAC chip vendor of Broadcom, Marvell SDK driver software • On-site supported in San Jose, China for prototype build bring-up and verification.

Technical Associated Manager• Lead team developed the Linksys SMB switch application (WEB/CLI).• Developed Marvell MAC DX 106/107/2xx PSS platform drivers.• Developed Broadcom ASIC Switch SDK (BCM569x, 5630x) platform drivers.• Developed the ethernet switch APP software (STP/RSTP/MSTP/VLAN/QinQ, Port Mirror, Port Trunk/LACP, FDB, and Egress/Ingress Rule, WRR)• Code review of driver related function, and solved customer problem.Senior Software Engineer• On-site new WEB GUI developed for Linksys SMB switch in US Irvine.• Developed Ethernet L2/L3 Switch software of WEB, CLI, SNMP.• Developed double tags VLANs function in switch platform.• Broadcom/Marvell SDK driver coding, provided the function test and unit test plan.

Software Engineer (Application Software Engineer)• Established an operation Call-center project in Tri-Service General Hospital.• Implemented a customer services with CRM system.• Established a recording system in Smart Card Company.• Established IVR (Interactive Voice Response) system for credit card company.• Integrated CTI Nortel, Alcatel, AVAYA PBX telecom system.