Jing Zhang ANDROID OS SOFTWARE ENGINEER

41A, Surrey Crescent, Auckland 1021, New Zealand  (+64) 021-067-8073

|  [email protected]

|  georgix

“Programming a better world”

Employment Lenovo Inc.

Beijing, China

SENIOR ANDROID SYSTEM PERFORMANCE ENGINEER

• • • • • • • •

Apr. 2015 - Jul. 2016

Responsible for system level performance tuning of ZUK series Android Smart phone including Z1, Z2, Z2 pro Analysis of stability issue, native app crash and kernel crash Analysis of overheat issue, with enhanced debug approach to dump traceview on device side Analysis of power and battery issue, device fail to suspend Analysis of memory issue, corruption and app or system level OOM, LMK Developed a bootloader unlock protection module Developed the overclock function on Z2 Adapting F2FS filesystem to ZUK smart phones

Mediatek Inc.

Beijing, China

SENIOR SOFTWARE ENGINEER/TECHICAL DEPUTY

• • • • • •

Jun. 2011 - Apr. 2015

Android system level techical support on all MTK smart phone chipsets from single core ARM11 to octa-core ARM64 series processors Analysis of stability issue, kernel crash and watchdog reset, and developed a mini-dump module to enhance the debugging Responsible for Android CTS certification, helping customers and cooperation with google TAM Improved MTK platform security, with control on root privilages, group permission, global writable and SELinux policy Taking part in developping a proprietary runtime exception snapshot system to capture all kinds of abnormal behavior Taking part in developping a proprietary offline auto bug analysis system based on google’s DDMS

Education Graduate University of Chinese Academy of Sciences M.E. IN PATTERN RECOGNITION AND INTELLIGENT SYSTEM

Beijing, China Sep. 2008 - July. 2011

Shandong University

Jinan, China

B.E. IN BIOMEDICAL ENGINEERING

Sep. 2004 - July. 2008

Skills Android Linux kernel Bootloader Linux Programming Performance Linux tools Memory tools R&D environment

framework, system services, permission, security, memory, cross-layer interfaces, CTS, reverse-engineering stack, exception handling flow, memory, lock, scheduler, perf, watchdog, kdb little kernel ELF format, core dump generation and analysis C/C++, JAVA, Python Android performance tuning, systrace, traceview, strace, ftrace gcc, gdb and other toolchain MAT, malloc debug Linux workstation, git, jira, confluence, adb, ddms, android studio

Reference ON REQUEST

JULY 27, 2016

JING ZHANG · CURRICULUM VITAE

1

Jing Zhang - GitHub

Responsible for system level performance tuning of ZUK series Android Smart phone including Z1, Z2, Z2 pro. • Analysis of stability issue, native app crash and ...

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