Chris Cha

Experience

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  Spire Technology Inc.

  Oct 2002 - Nov 2005

  Software Programmer and Analyst

  * Created filtering and analyzing modules for each network layer PPP, LCP, IP/ICMP, and TCP/UDP base on 3rd party components, including 9in1 Hooking Drive by C++ compiler of Borland and MS VC to implement Data call which was one of major functions* Programmed user forms to display all status of each wireless stages, using Borland C++ based 3rd party components, Indy, TChart6.0, RASOCX, IOCOMP2.0, MapX5.0, and VirtualTree* Implemented Thread manager modules to dispatch Network Layer packets to Presentation layer* Create Network communication modules to communicate between PC and Measurement device base on Client Server WinSock network programming* Implemented automatic call scheduling functions to detect plugged in serial ports for user configuration* Migrated MFC based presentation layer forms to C++.NET and C# with .NET framework 1* Shipped a NETIMIZER DML, which was a diagnosis and analysis tool that enables RF quality, voice service, and data service quality in a cellular network* Developed Data Service Measurement Modules for NETIMIZER DML* Utilized Diverse Data Algorithms to capture data packets and calculated data throughputs physical layer to application layer* Researched Wireless/Network Data Communication specifications to implement the logics* Developed USB Packet Hooking drive to support diverse user required information* Implemented each network packet management modules, PPP, IP, ICMP, UDP, TCP, Application layer messages Show less

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  CELIZION Inc.

  Nov 2005 - Aug 2007

  Senior Programmer and Analyst

  * Completed and delivered product of portable DMB(Digital Multimedia Broadcasting) receivers by the ODM, which were named Qurio’s QT-9 and Kedcom’s PoDi with supporting diverse languages such as Chinese, Japanese and Korean, using C/C++ and image processing tool and platform of hand-held device DMB* Developed and shipped ISDB-T 1seg and WO-300DTV digital TV receiver for Japanese Automobile Client, using Cygwin for flash writing, Portmon3.0* Managed and executed team lead role of full software development life cycle (SDLC) with tight project timeline and resources of developers, including ISDB-T 1seg demo environment* Developed GUI standalone application and system modules of embedded system to load fonts, management threads, including developing algorithms, using C++ Show less

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  Direct Energy

  Jun 2008 - Sept 2008

  Business Analyst/Developer-Coop

  * Developed and improved web applications for a variety of customer status queries, using C#/ASP.NET and MS SQL* Performed supporting, troubleshooting, debugging and bug-fixing for middle tier modules and procedures, including back-end database* Enhanced DB access performance by using view, temporal tables, indexes and cursor* Developed Stored Procedures for database* Upgraded and improved modules for data GridView server control and stored procedure for more than 100,000 records* Researched on the different ASP.NET components required for in-house application* Improved Searching, Sorting and Paging of Data GridView control* Researched SharePoint Web Services Show less

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  Canadian Tire

  Sept 2011 - Dec 2011

  Programmer and Analyst-Coop

  * Communicated with Users to gather users’ business and technical application requirements* Analyzed user requirements and created Business Requirements and Technical Requirement Documents to meet business requirements* Implemented the documented business requirements with MS SSRS (SQL Server Reporting Service) by C# ASP.net and Stored Procedure in SQL through WCF* Improved Stored Procedure logics to enhance performance of the query procedures for more than 710,000 result records* Analyzed in-house sources and Fixed legacy bugs which were issued by exception of application* Collaborated with users to do User Acceptance Test and upgraded UAT requirements* Prepared test plans for the Carrier Performance Database and Driver Time Sheet project* Tested applications for load, stress and scalability by test plans* Deployed the Carrier Performance Database Client/Server application to a web server by MS OneClick Show less

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  AudienceView

  May 2012 - Apr 2013

  Software Developer

  * Analyzing Clients and QA issued bugs and propagate trouble shootings to affected versions* Analyzing User Requirements for upgrading features and collaborate with team member to draw a best solution* Creating a new featured Intelligent Business Report for Reporting Service on web based* Improving SQL queries and implementing new SQL queries for better performance for greater than 50GB clients DB.* Collaborate with QA to find in-depth solutions and support QA test by daily Scrum meeting* Writing Solution documents to fixed issues for QA, BA and Sales departments.* Maintain modules written by mainly C++, C#, Java Script, ASP, HTML* Studying ticketing, CRM and Reporting system to support all layer problems* Collaborate with other scrums to share sources on CVS and Mercurial system Show less

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  AXIS Database Marketing Group

  May 2013 - May 2014

  Software Developer

  * Analyzing Client BRD and collaborate with Sales Manager to make on time and successful outputs* Enhanced five existing sites to be securable from all vulnerabilities including script and application for front-end, business layer, and DB layer* Utilized design patterns of GoF including bridge pattern to adopt dynamic web configuration, singleton for one instance of derived membership and one object of JavaScript* Established Jenkins CI system to automate deploying system to interworking SCM system and extended functions of Jenkins task using NANT script* Established and maintaining SCM system on BitBucket using Git for 10 different projects* Developed supporting multiple languages site by using ASP.NET MVC Routing Table for pet contest site.* Added multiple dimensioned metrics and analysis site system using Redthread, Floodlight, Facebook developer and Google analytics* Added security test for updated source to CI system and maintain web sites using OWASP ZAP with in-depth security knowledge* Writing stored procedures to generate web reports for clients’ satisfaction Show less

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  Canadian Tire Corporation

  Aug 2014 - now

  Programmer and Analysis

  * Manage multiple Projects as a Scrum master using Sprint and Kanban to satisfy fast IT market requirements* Full stak of project life cycle managing experiences and delivered extensible, easy maintenanable web applications* Designing Data Warehouse to maximize business decision by supporting OLAP and ad-hoc reports* Designed and Developed ETL process to transfer data from diverse source such as SQL, Flat Files, and Oracle to Data Warehouse* Created Daily Recycle Rate Report Email Scheduler application to send the daily reporting to stakeholders. Used MVC by pulling data from running Recycle Rate Web application* Updated Attendance and Disciplines applications to work for multiple warehouses thereby positioning Bolton facility for future use* Collaborate with colleagues to find better solutions for ongoing issues such as performance of DB queries, integration to DB, and complex errors of front/backend Show less