As a seasoned Java developer with dedicated experience in application development and maintenance, I bring a wealth of expertise in Java, the Spring Framework, and SQL. Throughout my career, I have successfully implemented Spring Boot Restful APIs and played a key role in database design for various projects in an agile environment. My track record demonstrates a proven ability to deliver high-quality code effectively troubleshoot complex problems and collaborate seamlessly with cross-functional teams.Technical Skills:•Languages: Java, JavaScript, SQL, JSP, XML, HTML•Databases: Oracle, SQL Server, MySQL, PostgreSQL•Frameworks: Spring Boot, Spring MVC, ExtJS, jQuery•Others: Agile development methodologies (Scrum), Query TuningWork Experience:Softwiz, South Korea (11/2016 - 01/2023)(Software design, coding and test, Developing web applications, Master Data Management)•Built modern applications with JAVA, Spring, Spring Boot, Oracle, SQL Server, No SQL.•Continuously integrated and deployed developed software. Updated the continuous integration/deployment scripts as necessary to improve continuous integration practices.•Developed microservices and Web Services (incl.REST/SOAP/WSDL/XML/SOA).Tec:h Java | Spring Boot | Mybatis | SQL | PL/SQLItrion, South Korea (07/2016 -10/2016)(Software development for Master Data Management)•Master data Management software development with java , SQL Server.•Smart factory application with JAVA, Spring Boot, SQL Server•Developed SQL Procedure for MDM.Tech: Java | Spring Boot | Mybatis | SQL Server Expert Consulting, South Korea (02/2013 - 06/2016)•Developed and maintained Java-based applications for clients in the HR services industry.•Collaborated with project managers and business analysts to gather requirements and deliver software solutions that met client needs.•Designed and maintained SQL databases.•Converted the jQuery-based UI to ExtJS.•Participated in code reviews and provided feedback to team membersTech: Java | Spring | Mybatis | Extjs Software Developer Freelancer , South Korea(08/2010 – 02/2013)PHP School, Japan (03/2007 - 07/2010)( Software design, coding and test, Developing web applications, mobile apps )•Developed and maintained Java-based applications for clients in the game, insurance, and gas station services industry.•Identified SQL query bottlenecks and performed performance optimization.Tech: Java | Spring | Mybatis | ExtjsCertifications:Sun Certified Java ProgrammerSun Microsystems (06/2006)Oracle 9i Database Administrator Certified AssociateOracle (08/2006)
Softwiz Korea
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Java And Data DeveloperSoftwiz KoreaNew Zealand
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Java & Data DeveloperSoftwiz Korea Dec 2016 - Jan 2023South Korea(Software design, coding and test, Developing web applications, Master Data Management) Managed database design, API development, batch program creation, and team management Optimized data storage methods for improved system performance. Gained extensive exposure to various business domains. ( telecommunication, automotive manufacturing, semiconductor company, etc) Enhanced my skills in data management, team coordination, and collaborative problem-solving, preparing me for future challenges in the tech landscape.
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Software DeveloperItrion Jul 2016 - Oct 2016Seoul, South Korea(Software development for Master Data Management) Responsible for creating SQL queries and procedures, as well as conduction reviews of team member’s SQL code. Through collaborative knowledge sharing, we achieved significant improvements in SQL performance.
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Software DeveloperExpert Consulting Feb 2013 - Jun 2016Seoul, South Korea(Education for Enterprises, public officers, and HR software development) Designed, developed, and implemented HRD and survey systems, including database architecture. Converted the jQuery-based UI to ExtJS. Improved teamwork by finding and fixing issues with new technologies through clear communication.
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Java Software Developer프리랜서 Aug 2010 - Jan 2013Seoul, South Korea(MES for steel producer, Smart Gird for electronic producer) Developed and maintained a Java-based Manufacturing Execution System (MES, BI ) Reports System for steel producers. Developed and performed performance tuning on SQL for the Java-based SMART GRID monitoring system. Resolved project performance issues through efficient database modelling and SQL optimizations, achieving substantial improvements.
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Intermediate Software EngineerPhpschool Mar 2007 - Jul 2010Tokyo, Japan( Software design, coding and testing, Developing web applications, mobile apps ) Led a team in developing and maintaining Java-based applications for clients in the game, insurance, and gas station services industry. Identified SQL query bottlenecks and performed performance optimization. As the team leader, introduced crucial methods enhancing development speed, ensuring uniformity among team members
Frequently Asked Questions about Soochang Y.
What company does Soochang Y. work for?
Soochang Y. works for Softwiz Korea
What is Soochang Y.'s role at the current company?
Soochang Y.'s current role is Java and Data Developer.
What schools did Soochang Y. attend?
Soochang Y. attended 영산대학교.
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