Derek (Ke) Zhang
Senior Software Engineer at Range- Claim this Profile
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English Native or bilingual proficiency
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Chinese Native or bilingual proficiency
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Bio
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Experience
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Range
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Canada
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Media Production
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1 - 100 Employee
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Senior Software Engineer
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Mar 2021 - Present
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Twitch
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United States
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Software Development
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700 & Above Employee
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Senior Software Engineer
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Nov 2018 - Mar 2021
Remote SDE, Safety
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Software Develpment Engineer
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Feb 2017 - Nov 2018
Developer Success + Safety Engineering
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Amazon
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Bangladesh
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Advertising Services
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1 - 100 Employee
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Software Development Engineer 2
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Oct 2015 - Feb 2017
Amaozn Fulfillment Technology - Problem Solve Automation- Gathered requirements, designed and implemented asynchronous workflows that fix various inventory defects discovered in fulfillment centers- Designed and implemented workflow to resolve loose items without virtual records- Redesigned workflow reconciliation to automatically resolve matching defects- Supported software launch in North America and EU- Added automated integration (aka functional) tests framework - Improved operations adding automated tests that covers major business cases- Added features and maintained existing software- Mentored new team members and intern Show less
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Software Development Engineer
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Jul 2013 - Oct 2015
Worked in various teams in Amazon Fulfillment Technology -- Stow, Receive and Problem Solve Automation - Gathered requirements, designed and implemented asynchronous workflows that fix inventory defects discovered in fulfillment centers- Redesigned asynchronous workflow reconciliation- Supported software launch in North America, Europe and Japan- Added automated integration (aka functional) tests framework - Improved operations adding automated tests that covers major business cases- Added features and maintained existing software- Mentored new team members and intern Show less
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Software Development Engineer Intern
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Sep 2012 - Dec 2012
Amazon Marketplace - Seller Merchandise - Delivered several parts of external promotion tool - Simplified existing code by refactoring and combining similar components - Developed internal tool to create Deal of the Day type of promotions Amazon Marketplace - Seller Merchandise - Delivered several parts of external promotion tool - Simplified existing code by refactoring and combining similar components - Developed internal tool to create Deal of the Day type of promotions
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TD
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Pakistan
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Technology, Information and Media
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1 - 100 Employee
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Java Developer
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Jan 2012 - Apr 2012
- Identified and resolved production Javascript and Java code issues - Pushed weekly code releases to development servers - Created, customized and maintained a Sharepoint site for internal use - Prepared bi-weekly defect reports and on demand reports - Identified and resolved production Javascript and Java code issues - Pushed weekly code releases to development servers - Created, customized and maintained a Sharepoint site for internal use - Prepared bi-weekly defect reports and on demand reports
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Scotiabank
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Canada
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Banking
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700 & Above Employee
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Associate Program Analyst
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May 2011 - Aug 2011
- Fixed production issues involving Java code, C++ and Sybase database - Maintained database and extracted user requested data on a regular basis - Mapped and documented tables from database to Java using Hibernate in preparation for other projects - Worked with business analysts and users to create several reports using Crystal Report - Fixed production issues involving Java code, C++ and Sybase database - Maintained database and extracted user requested data on a regular basis - Mapped and documented tables from database to Java using Hibernate in preparation for other projects - Worked with business analysts and users to create several reports using Crystal Report
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Associate Program Analyst
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Sep 2010 - Dec 2010
- Fixed production issues involving Java code, C++ code and Sybase database - Maintained database and extracted user specified data on a regular basis - Developed Bulk Reverse and Unwind GUI using Java - Developed shell scripts to repair links between ClearCase files on Unix server and ClearQuest system - Worked with business analysts and other stake holders and generated reports using Crystal Report - Fixed production issues involving Java code, C++ code and Sybase database - Maintained database and extracted user specified data on a regular basis - Developed Bulk Reverse and Unwind GUI using Java - Developed shell scripts to repair links between ClearCase files on Unix server and ClearQuest system - Worked with business analysts and other stake holders and generated reports using Crystal Report
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Sybase
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Spain
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Software Development
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Software Developer
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Jan 2010 - Apr 2010
- Quickly learned InstallAnywhere and previous build script - Involved in development of the new IQ15.3 installer - Developed an automated build script with Perl and bash to build installer project - Documented the work and composed a guide of "How to Use InstallAnywhere" - Quickly learned InstallAnywhere and previous build script - Involved in development of the new IQ15.3 installer - Developed an automated build script with Perl and bash to build installer project - Documented the work and composed a guide of "How to Use InstallAnywhere"
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Education
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University of Waterloo
Bachelor of Computing and Financial Management (BCFM), Computer Science and Finance