Developed virtual network appliance as networking traffic generator for testing other devices. (e.g. firewall, switch). supported hypervisor: ESXI and KVM.

Development and support pakcet shaper for Network traffic classification, bandwidth management and QOS

Developed and supported Touch Pad product on different bus (SMB, PS2, I2C,USB)

Linux/Android open source touchpad driver

Windows Touchpad driver performance optimization

Developed and supported Finger print driver on Windows, Linux, UEFI and Intel SGX

Developed Symantec enterprise product --- Symantec endpoint protection(v11 and v12), it Seamlessly integrates essential technologies such as antivirus, antispyware, firewall, intrusion prevention, device and application control.

Developed firewall device driver --- NDIS6 network Filter driver

Developed 3G Mobile broadband solution (WWAN)

Researched and developed windows file filter driver for application control

Maintain current firewall driver NDIS5 IM driver and TDI driver

Maintain firewall engine, plug-ins and profile settings

Developed and supported Symantec endpoint encryption (PGP Whole Disk Encryption)

• Designed and developed on time RTOS based pre-boot system

• Designed and developed Linux based pre-boot system

• Maintained product and enhance featuer, solved customer issuees.

Worked on Sygate personal firewall 3.0, 3.5, 4.0, 5.0 and Sygate security Agent 4.0, 4.5, 5.0,

Developed firewall traffic engine, network sensor, portscan sensor, IPS, firewall log and XML parser

Solved customer issues and on site trouble shooting

Module design, performance tuning