Luke Sun

Experience

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  Freelancer

  Jan 2000 - Jan 2004

  Freelancer

  web, system, open source communities - PHP, Java, C

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  Republic of China Army

  Oct 2001 - Jun 2003

  Private First Class

  networking, security, cryptography

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  Picoway

  Jan 2004 - Jan 2006

  Designer

  Software Programmer/DesignerResponsibilities and Achievements:- implemented/delivered enterprise portal project by SSO hacking 7 different systems, monitoring, alerting and JSR portal spec- implemented/delivered enterprise online office project by integrated business processes into web service

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  Texas Woman's University

  Aug 2007 - Aug 2009

  TA@Math Lab

  Tutor/TAResponsibilities:- TA- programmer for teaching material 1.metrics calculator online version 2.LEGO NXT in C and JAVA 3.the tutor lab system 4.tracking and monitoring system

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  The University of Texas at Arlington

  Aug 2009 - Jun 2010

  RA

  Responsibilities:- RA@BioMath- Programmer@Graphic Computing- FORTRAN code maintainer for mathematical models

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  Institute for Information Industry

  Jun 2010 - Feb 2012

  Senior Engineer

  Cloud team lead.Responsibilities and Achievements:- Developed an appliance for SMB by virtualization and networking. The architecture is based on PHP/Javascript, comet(server push), RDP and Samba.- Invited to design Cloud Appliance For Enterprise project - Solved multiple layers Samba problem for storage team- Patterns

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  Ubiquiti Networks

  Dec 2011 - Feb 2016

  Responsibilities and Achievements:- ported FreeSWITCH to MIPS- implemented stress test tools for UniFi controller by Python, Erlang and Golang so that I'm able to evaluate my changes- refactored most UniFi infrastructures: multiple class loaders, run-time object loader, cache layer from Mongodb, hashmap to Guava Cache and Redis, separated background processes by Thrift/Avro, controllable tasks, WebRTC loader as a normal HTTP request...- implemented Ant/Grunt tools for front-end developer- drive/design UniFi app Android from beginning, and delivered after 4 weeks- implemented controller for Cloud Key- implemented auto stress tool for Cloud Key by concurrent bash script, Graphite and Grafana to trace the state from jvm/system/process perspective- implemented controller for UniFi Phone- solved many production problems such as storage space, db io lock, memory leak on both JVM and normal system processes, network failure, routing...Hobbies:- maintained multiple PBX servers for U.S. offices Show less

  • Software Engineer

    Oct 2013 - Feb 2016

  • Engineer

    Dec 2011 - Sept 2013
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  Mist Systems

  Mar 2016 - now

  Software Engineer

  enjoying- as an Apache contributor- stream/batch solution framework writer- debugging JVM issues on Clojure- machine learning math model- many DBs- automate everything...