SUMMARY

• 6 years of experience in software design, development and testing of Java/J2EE applications with strong Object Oriented Programming skills
• Experience in developing Server Side Programming using Spring Framework include Spring Boot(MicroService), SpringData JPA, familiar with the quick development of Java backend flow
• Experience in using Spring IOC, Spring AOP, SpringMVC to develop RESTful web services
• Experience in developing front end UI using HTML, CSS, JSP, Thymeleaf etc.
• Experience in using front end framework ReactJS
• Extensive Experience in Core Java technology such as Multi - Threading, Collections, Exception Handling, Polymorphism etc
• Familiar with SQL Server, MySQL, Oracle
• Experience in RMDB concepts including writing Queries, Functions, Triggers, Stored Procedures and Batch Processes. Hands on experience in SQL, HQL
• Professional Experience in OOD Methodology. Familiar with Java design patterns like Singleton, Factory, Observer, Proxy, Builder etc
• Experience in deploying web application in Apache Tomcat Server
• Experience in using analytics & monitoring platform as Grafana
• Familiar with software development process Agile
• Familiar with Software Development Life Cycle(SDLC) of business applications.
• Experience with development tools like Git, SVN, Gradle and Maven
• Familiar with using WebLogic and WebSphere to deploy application
• Acting as a Team player with a positive attitude and ability to learn in a fast pace environment

TECHNICAL SKILLS

Programming Languages: Java, SQL, python, JavaScript

J2EE Technologies: Spring IOC Spring AOP, Spring MVC, Servlet, JSP, JDBC

Frameworks: Spring, Spring Boot, SpringData JPA, Hibernate, ReactJS

Web Technologies: HTML, XML, CSS, JSON, REST

Application Servers: Apache Tomcat, WebLogic, WebSphere

Database: SqlServer, MySQL, Orable

Testing/Control Tools: JUnit, SVN, Maven, Gradle

Operation Systems: Windows, Unix, Linux, Ubuntu

PROFESSIONAL EXPERIENCE

Confidential, Princeton, NJ

Java Developer

Responsibilities:

• Involved in completed Software Development Life Cycle of design(SDLC), development, testing and deployment of applications.
• Integrate with Netty framework, Nginx, Java, JavaSwing, HTML, CSS
• Use design pattern as Proxy, Singleton, factory, builder, observer etc.
• Involved in Module layer, View layer, Service layer to implement the MVC module
• Use JDBC for the data persistence
• Develope repository, controller, service to handle the request from the user
• Write SQL/HQL to create, update, read, remove data from/to database (Sql Server Database)
• Use Jetty Server to develop Appserver
• Use VariableThreadPool to solve the high concurrence problem
• Use Nginx as proxy to communicate with server and client
• Use Junit for the Unit test. Used WebLogic to deploy to the product environment
• Use Gradle to maintain the dependencies
• Participate in develop handshake API for backend by using Netty Framework and Nginx
• Participate in developing FlexTable API for frontend and create GUI by implementing it
• Deploy Linux and windows machines on Guacamole for Screen Connection
• Deploy user and system data on Grafana.
• Set Gradle environment on company project.
• Use Jenkins to create pipeline for CICT
• Use SVN for version control

Environment: Eclipse, Java6, SQLServer Log4j, SNV, Gradle, Junit, WebLogic, Netty, JettyServer, Nginx, Jenkins, Grafana, JavaSwing

Confidential, Albany, NY

Java Developer

Responsibilities:

• Involved in the team to integrate the Spring Boot, Spring Security, Spring Data JPA, Spring Redis
• Use Spring Data JPA to develop JpaRepository for accessing the database to create, remove, update and read the data
• Use Spring Boot to develop the RESTful Controller and Service layer to handle the customer requests
• Involve in Spring Security to provide the Authentication Service and Remember Me Service. Applied Spring Security to develop the TokenRepository for the remember me service
• Hands-on experiences in Module View Controller (MVC) framework using ReactJS, less for creating Single Page Application.
• Apply Spring Security to function access control and session control
• Apply Spring Validation framework to validate the parameters passed from the front end
• Use Spring Redis to store the company information to decrease the number of IO to the database and increase the response time for the application
• Use Spring AOP and Log4j frameworks for logging and debugging
• Use Fixed Thread Pool, Concurrent HashMap to increase the concurrency and improve thread-safe
• Use Quartz to do the scheduled jobs like each day of 12:00 P.M will calculate the amount the requests of today
• Worked on Agile-Scrum methodology and participated in Sprints, involving cross-functional members, like architects, programmers, analysts, testers, and UI designers.
• Use Junit4 for the Unit test case and WebSphere for the application Server
• Use Maven for the dependencies management, build process and packaging

Environment: Eclipse, Java8, Spring Boot, Spring Security, Spring Data JPA, Spring Redis, QuartzJunit4, WebSphere, Oracle, Log4j, Git, Maven

Confidential, Stony Brook, NY

Full Stack Software Engineer

Responsibilities:

• Developed web applications using Spring MVC and other components of the Spring Framework 3, with the controller being Spring Core (Dispatcher Servlet), including writing actions/ classes/ forms/ custom tag libraries and JSP pages.
• Implemented various design patterns in the project such as Singleton, Factory, Observer and Data Access Object.
• Used JPA/Hibernate to communicate with data layer and XML/JAXB to read XML data.
• Developed various database interaction objects by implementing the DAO patterns and used JDBC 4.1 as model component.
• Developed database schema and populating data using SQL statements, PL/ SQL functions, stored procedures, triggers and bulk uploads.
• Developed user interfaces to interact with server using ReactJS to simplify the complexities of the application.
• Implemented RESTful web services and created REST based controllers to handle incoming requests and output responses. Used JSON to contain data.
• Implemented message communication using JMS 1.1 to get the status of the services.
• Extensively developed RESTful based web services using Jersey. Involved in pre-testing the web services with SOAP UI using end-points.
• Implemented Messaging using JMS to notify customers on policy updates and payments
• Implemented the logging mechanism using Log4j framework.
• Developed JUnit test cases for unit testing. Exposed to integration testing, functional testing and performance testing, and fixed raised bugs.
• Use SVN as version control

Environment: Java6, Eclipse,ReactJS, JSP, Servlet, Hibernate, HTML, CSS, Oracle, Tomcat, XML, JDBC, Spring, JavaSwing

Confidential, Islandia, NY

Software Engineer

Responsibilities:

• Involved in the full stages of DevTest Portal using Agile (Scrum) methodology.
• Designed and implemented application using Spring MVC, Spring IOC, Spring Annotations, Spring AOP, Spring Transactions.
• Implemented various core framework level changes using Core Java, design patterns, groovy, and efficient data structures.
• Used JQuery, HTML, CSS to develop the DevTest Portal web app. Used JavaScript form validation for validating the client side input data. Use property file to support multiple languages.
• Constructed RESTful web service work as an interface to collect verification information from external system like auto repair facilities, hospitals using JAX-RS
• Consumed Restful Web Services with Ajax updating the Model and Views of the application.
• Develop Object Relational Mapping (ORM) using Hibernate 3 and JPA. Develop Data Access Object (DAO) persistence layer using Hibernate 3.
• Built a proxy server for retrieving Jasper report.
• Wrote JUnit test cases to test the server side Modules.
• Implemented the logging mechanism using Log4j technology
• Used Git as version control tool.

Environment: Agile, Java 6, Spring Framework, Hibernate, RESTful, Hibernate, JQuery, HTML, CSS, SQL, JMS, EJB, Jasper, Git, JUnit