About

Shanmugasundaram Sellappan is a Lead Java Developer with over 15 years of experience in designing, developing, and architecting web-based and distributed J2EE Enterprise Applications. He specializes in implementing Object-Oriented Programming (OOPS) with Java, J2EE technologies such as Servlets, JSP, Struts, Hibernate, Spring Boot, Restful Services, and JDBC. He has strong skills in RDBMS implementation and development using Oracle, MySQL, and valuable experience with SQL and PL/SQL. Shanmugasundaram has experience in developing front-end systems and Responsive Design with HTML, CSS, JavaScript, HTML5, CSS3, and frameworks like JQuery, Angular JS, JSON, and Bootstrap. He is proficient in implementing various Java/J2EE design patterns including Singleton, Factory, Builder, MVC, Front Controller, DAO, etc. He has worked on various application and web servers such as IBM Web Sphere Application Server, Web Logic, and Apache Tomcat Web server. Shanmugasundaram has experience in build management systems and version systems such as Sub Version (SVN), IBM Ration Team Concert (RTC), Clear case, and TFS to deliver daily code and worked on the code sync up activities with the based code. He is skilled in tuning database SQL queries to improve performance and has experience in Java APIs frameworks such as Jackson, POI, iText, and JUnit. Shanmugasundaram has experience working with Microservices to independently develop, test, build, and deploy software systems such as ADE, SCV, and OPRA distributed web applications. Currently, Shanmugasundaram works as a Software Developer IV at Charles Schwab, where he is responsible for developing a Common Authentication Mechanism & Login Micro Site using Java, Restful Web Services, Spring boot, Spring Cloud Gateway, OAuth, JWT, SAML, MongoDB, and generate Splunk Reports. He has also developed front-end systems & Responsive Design with HTML5, CSS3, and frameworks like JSON and Bootstrap. Shanmugasundaram has experience in bootstrapping new Spring Boot 2.0 microservice projects, setting up dependencies, configuring DevOps through Bamboo, enabling deployments into PCF Dockers containers, and using IntelliJ IDE as the Integrated Development Environment for developing, debugging the application, building, and running the applications. In his past roles, Shanmugasundaram worked as a Lead Java Developer at Mastech Digital,