Experience

Redbend

• United States
• Automotive
• 1 - 100 Employee

• Support Engineer

  • Apr 2013 - Present

  - Delivered technical support and pre-sales for hypervisor solution to some onsite users and offsite users. - Delivered technical support and pre-sales for hypervisor solution to some onsite users and offsite users.



Software development company (Domestic)

• Within 23 wards, Tokyo, Japan

• System Engineer

  • Apr 2009 - Apr 2013

  - Designed and Developed Android and iPhone’s applications for various customers. Environment: Android, iOS, C, C++, Java, Objective-C and OpenGLES - Designed and Developed Web application for some customers. Environment: Linux, PHP and MySQL - Designed and Developed Android and iPhone’s applications for various customers. Environment: Android, iOS, C, C++, Java, Objective-C and OpenGLES - Designed and Developed Web application for some customers. Environment: Linux, PHP and MySQL



TriPeaks Corp.

• Tokyo, Japan

• System engineer

  • Jul 2006 - Jan 2009

  - Designed and Developed Ethernet Hard IRQ thread control system for to control network usage using cgroup. Investigated QoS. Environment: Linux (kernel 2.6.25), C, x86 - Ported U-Boot boot loader and fixed kgdboc’s serial device driver for H/W vendor’s reference board. Environment: Linux, C, ARM11 (i.MX31) - Designed and Developed video’s progressive conversion device driver for a monitoring camera. Environment: Linux (kernel 2.6.25), C, ARM9 (TMS320DM6446) - Designed and Developed CPU accounting system for to control CPU usage using cgroup. Environment: Linux, C, x86 - Ported fast boot solution for camcorder. Environment: Linux, C, PowerPC (MPC8248 and MPC4349E) - Designed and Developed cipher engine’s device driver using crypto graphic API and customize IPSec’s protocol stack for to improve performance in Linux kernel. Environment: Linux, C, MIPS (VR4133 and VR4133A)



MontaVista Software

• United States
• Software Development
• 1 - 100 Employee

• Support engineer and System engineer

  • Jul 2003 - Jul 2006

  - Fixed defects for customer’s issues. Environment: Linux, C, ARM, x86 - Ported NAND Flash and IDE device driver for H/W vendor’s reference board. Environment: Linux, C, MIPS (TX4939) - Delivered technical support to some onsite users and various offsite users. - Fixed defects for customer’s issues. Environment: Linux, C, ARM, x86 - Ported NAND Flash and IDE device driver for H/W vendor’s reference board. Environment: Linux, C, MIPS (TX4939) - Delivered technical support to some onsite users and various offsite users.



Software development company (Domestic)

• Yokohama, Kanagawa, Japan

• Development Team Lead

  • Apr 1992 - Jun 2003

  - Designed, developed various embedded systems. - Led and supported group for keeping project on schedule. Environment: Linux, RTOS, C, C++, Assembler, ARM, PowerPC and 68K - Designed, developed various embedded systems. - Led and supported group for keeping project on schedule. Environment: Linux, RTOS, C, C++, Assembler, ARM, PowerPC and 68K