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DennyZhangDevOps + Corp-2-Corp Contact/Consultant
Summary 7 years, Full-time working experience in Cloud industry. Good at fast deployment test and fault tolerant deploy by Docker, Chef Kitchen and Jenkins. Expereinced in hybrid cloud management: AWS, OpenStack and virtual appliance etc Certication: AWS Certied Solution Architect - Associate and AWS SysOps. Certication: Certied Chef developer. Active Chef supermarket contributor. Diehard emacs veteran with deep belief in automation. Slogan: Dont Repeat Yourself; Do Less For More; Dont Make Same Mistake Twice.
ExperienceDevOpsConsultant at TOTVS Labs, Mountain View, CAJul 2014 - NowWork remotely from Houston.Build and manage all infra layer for a cluster based SaaS product
[Build] Deliver a reliable and fully automated deploy process for any cluster envs andon-premise envs by Chef
[Debug] Always on top of issues and properly handle almost all major issues [Monitoring] Auto congure monitoring system with comprehensive checks and alerts [Jenkins] Build up a reliable Jenkins System which greatly improved old QA process [Operate] Timely and reliable support for all prod envs: deploy, upgrade, operate and
unlimited trouble shooting
DevOpsConsultant at OSC Technologies, LLC, BostonMar 2014 - Jun 2014Work remotely from Houston.Work as DevOps lead for multiple startup projects
POC for 2 seed projects from my own ideas Setup and operate internal OpenStack private cloud Contribute 10+ Chef cookbooks to Chef Supermarket
https://supermarket.chef.io/users/dennyzhang001 Contribute 5+ Nagios Plugins to Nagios Exhange Market
http://exchange.nagios.org/directory/Owner/dennyzhang/1
OpenStackCommunityEngineer at UnitedStack Inc. Santa Clara, CAAug 2013 - Feb 2014Work remotely from Houston.Build up autonomy engineer culture; OpenStack individual contributor
[Community] Finish 60+ OpenStack commits: heat,tempest,devstack,etchttp://stackalytics.com...denny-6
[Puppet/Jenkins] Setup CI/CD system, simliar like OpenStack-infra [Operate] Capable to debug OpenStack nova, neutron and heat problems
Contact888 Washington St.,
Suite 301Dedham, MA 02026
+1-832-312-XXXXgmail:denny.zhang001web:dennyzhang.com
github:DennyZhanglinkedin:DennyZhang
OpenSourceCommits
10+ Chef Cookbooks5+ Nagios Plugins
60+ OpenStack12,607 lines Emacs
SkillsChef, OpenStack
Docker, Nagios,Puppet, Linux, Zabbix,
RabbitMQ, Jenkins
ProgrammingPython, Bash, Ruby,
C++, ObjectC, Erlang,Golang, Elisp, R
MethodologyTDD, GTDPomodoro
Lean StartupAsk 5 Why
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FullstackDeveloper&Architect at ShopEx Network Technology Co., Ltd. ShanghaiMay 2011 - July 2013 (2 years 2 months)Design, implement and operate a PaaS platform from the very beginingIts specialized for ECommerce industry, mostly by Erlang
[Dev] Implemented a distributed picture storage, like hybridizing S3 with haystack [Dev] Implemented a reliable, distributed, async task engine, for multi-tenants [Monitoring] Enabled puppet to automatically maintain Zabbix monitor items [CI] Automated all CI stages by Jenkins/Rpmbuild/Puppet/Tsung/etc [CI] Simulate monkey chaos tests, like service crash, random reboot, etc [HA]Performance tuning, identity systems SPOF and inefciency
SoftwareEngineer at EMC Corporation, ShanghaiJuly 2008 - April 2011 (2 years 10 months)Atmos is an EMCs killer product for cloud storage.Support rolling upgrade feature of Atmos
[Python/C++] On-line rolling upgrade, parallel installation, and service migration [Linux] Involved in all open issues trouble shooting before product release [Linux] Performance test for lesystem CRUD by POSIX VFS API and REST HTTP API [C++] Prototype for the feature of DragAndDropTo /PrintingTo/EmailTo Atmos
CerticationMay, 2015 AWS Certied Solution Architect - Associate By Amazon KRYTERIONFeb, 2015 Chef Certicate of AWESOME By Chef Software, Inc.Jun, 2010 China Certied System Analyst By Chinese National Qualication Certicate Of Prociency
SharingSide Projects at GithubJan 2008 - Present
denny-chef-devops: Chef cookbooks for devops.https://github.com/DennyZhang/denny-chef-devops
Emacs conguration with over 11,000 lines.https://github.com/DennyZhang/Denny-s-emacs-conguration
Xiaozibao: Build your own magzine.https://github.com/DennyZhang/xiaozibao
Public Sharing at InternetAug 2008 - Present
Personal websitehttp://www.dennyzhang.com
Delivered a public speech: How To Test PaaS Platformhttp://www.slideshare.net/lebat/how-to-test-cloud-platform
Internal sharing: Personal knowledge base managementhttp://www.slideshare.net/lebat/personal-knowledge-base-management
Education2006 - 2008 Masters of Computer Science Sun Yat-Sen University, China2002 - 2006 Bachelor of Computer Science Sun Yat-Sen University, China