• Around 8 years of progressively responsible experience in development, testing, documentation & production support applications using Internet, Web and Client Server Technologies in N-Tier J2EE, Microservice Architecture.• Expertise through all parts of Software Development Life Cycle (SDLC) in developing web applications using JAVA, J2EE, EJB, Web services, SOA, SOAP, RESTful etc.• Extensive hands-on experience with core expertise in design, development, and deployment of N-Tier enterprise applications for the J2EE platform using Core Java, Servlets, Struts, Spring, EJB, JSP, Web services, JPA, JNDI, JMS, JAXP, JUnit, JMeter.• Hands on experience in the implementation of Core Java SE 8 concepts like Streams API, Lambda functions, Generics, Time API, Functional Interfaces Multithreading, Transaction Management, Exception Handling and Collection API.• Used Java8 features in developing the code like Lambda expressions, creating resource classes, fetching documents from database.• Hands on experience in Front-End technologies like Angular, Bootstrap 3.1, HTML5, JavaScript, CSS3, jQuery, Tag Libraries, Custom Tags, Ajax and ReactJs, Node Js.• Solid background in Core Java concepts like Exception handling, Multi-threading, Synchronization, Serialization, IO, Collections framework, Java Beans, Thread pools.• Experience in working with open-source frameworks like Spring, Struts and ORM frameworks like Hibernate and Spring JPA.• Experienced using JSF, Servlets, JSP, JDBC, JMS, JSTL and JNDI.• Extensive experienced with hands on development in various Spring components like Spring MVC, AOP, Spring IOC, Spring JDBC, Spring JPA, Spring Securities and Spring Batch, Spring Boot, Spring Microservices, and swagger API’s.• Expertise in IDEs for software development like NetBeans, Eclipse, Intellij, RAD, and JDeveloper.• Experience in using various Amazon Web Services (AWS) Components like EC2 for virtual servers, S3.• Expert level knowledge in Core Java, multi-threading, low latency, and Relational Database Systems (Oracle) and SQL, Postgres SQL and no SQL databases like Cassandra DB, Mongo.• Experience identifying Java garbage collection issues and tuning JVM parameters for high throughput or low latency.