Over 19 years of extensive experience in development of enterprise scale business applications using enterprise java. - Skills include software analysis, design, development and deployment. - Excellent skills in enterprise applications architecture. Designed architecture of many software applications. - Experience of SDLC and agile methodologies. - Gathering requirements, suggesting solution and forming them to a working system. - Team management, Quality management and dealing with clients. - Performance Optimizations of large scale application and databases. - Test driven development and automated deployment techniques. - Microservices architecture, Web Services and Rest Services.- NoSQL databases MongoDB.- Multi-threading, Job Schedulers and Batch Processing and Message Queues.- Web application security OWASP 10. - Application Server Clustering and Load Balancing. - Distributed Cache, Locking, Global Transactions.- Asynchronous integration of business services with executor pattern.- Database Partitioning with efficient usage for critical systems. - Excellent problem solving skills. Domain knowledge: - Petroleum E & P- Social Networking Systems - Finance and Budgeting - Hospitals and Medicines - Public Sector Operations - Borders and Immigrations Skills: - Design Patterns and Best practices - Client Side: Html5, CSS, JavaScript, Ajax, Json, JQuery, Bootstrap, Angular, React- J2EE: JPA, EJB, Hibernate, JSF, Struts1, Struts2, JMS, JSP, Servlets, RMI, JDBC, JMAPI, JTA, Spring (IoC/DI, JDBC, Hibernate, AOP, Web, Transactions), - J2SE: Sockets, Swing, Threading, Executor Service, Exceptions, Reflection, XML, Text Formatter, Hash table, Tree Map, Regular Expressions, - JFree Charts, Java Excel API, Fusion Charts - WebSphere, JBoss, WebLogic, Tomcat, Websphere MQ - Intelli-J-Idea, IBM RAD, Eclipse, NetBeans- Oracle, DB2, MySQL- Worked on Products Decision Space GeoScience, Open Works, DSIS, SchlumBerger's Petrel, Openwells, Production Data Management