DY Park

Senior Software Engineer @Brainer consultancy

IT✔️ ITSolution IntegratorBackend DeveloperFrontend DeveloperWeb DeveloperDatabase DeveloperTech SupportData ScientistData AnalystAndroid Developer

I have 20+ IT experience and I am a full-stack programmer

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Work Background

Samsung Data SystemSenior Software Engineer

Jun. 2020Austin, Texas, United StatesI have been working for Samsung 14+ years (contractor + permanent) as a full stack software developer (23+ years experience) Also, I lead the development, maintenance, and design of these systems, which handle significant and sensitive data. The systems support over 1,000 daily active users, process over 2 million transactions monthly, and manage a budget/stock value exceeding $30 million each month. *Working on system list: -Security Management system (jsp/servlet, jquery, spring framework, oracle ) -Security Management system with Android mobile (Java, Kotlin, j2ee, oracle ) -Security Management system with PDA (C# dot net mobile, j2ee, oracle ) -Audit process Management system (Vue.js, node-js, Java&Spring, oracle) -Cost&Budget project management system (Java&Spring, MS-Sql, jquery ) -Procurement management system (jsp/servlet, oracle ) -Inventory Stock management system (Jsp, oracle, PL/SQL, Pro*C ) -Stock management system with PDA (c# dot net mobile, jsp/servlet, oracle database )

Brainer consultancySenior System Consultant & Software Developer

Apr. 2011 - Jun. 2020Austin, Texas Area• develop and maintain MIS systems with Java&Spring Framework • develop and maintain dot net mobile PDA system • design DB schema and DB objects • develop and maintain BI system • language/framework : Java, Spring MVC, JQuery, myBatis, Hibernate • OS/Web Server : Linux, Windows, nginx, tomcat, IIS • DB : Oracle, MSSQL, MySQL

IT Peoples (System Integration)Senior Java Programmer

Jul. 2004 - Apr. 2011Seoul, South Korea*develop and maintain Samsung Electricity Education Portal(Java, Jsp, Spring Framework, Oracle) *develop and maintain Authentication System(Java, jsp, Oracle) * develop and maintain BI system * design DB structure&schema • language/framework : Java, Spring MVC, JQuery, myBatis, Hibernate • OS/Web Server : Linux, Windows, tomcat, IIS • DB : Oracle, MSSQL, MySQL

Mobiliance Corporation (Payment Gateway Provider)Senior Java Programmer

Jan. 2003 - Jun. 2004Seoul, South Korea• Develop and maintain Payment Gateway System(Internet PG) • Develop and maintain MIS systems • Design DB schema and DB objects • language/framework : Java, Struts, Javascript, HTML, CSS • OS/Web Server : Windows, IIS, tomcat • DB :Oracle, MSSQL

I-Rinn Systems (IT service solution developer)Leading Developer, CTO, Cofounder

Oct. 2001 - Oct. 2002Seoul, South Korea•Developed B2B Intranet *Developed B2C internet shopping mall generate system •Developed commercial chat service • Skills: Java/Jsp, PHP, javascript, HTML, CSS, ASP •OS/Web Server: windows, Linux, tomcat, Resin • DB : MySql

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