PROFESSIONAL SUMMARY:

• 8+ years of experience in the IT industry involving analysis, design, implementation, integration and testing of various systems.
• Exposure to Web Application Development using J2EE technologies and Oracle.
• Experience in application software Development and Design, Object Oriented, Technical Documentation, Software testing and debugging.
• Extensive experience in architecture, design and building Complex Business components, developing Multi - Tier Web Applications and Server side Business Logic using Java, J2EE, XML, Apache Tomcat, JBoss, Web Logic 10.g, Servlets, JSP, Spring, Hibernate, Web Services (JAX-RS, JAX-WS), JDBC, PL/SQL, AJAX, JMS, Maven, Log4J, HTML5, JavaScript, AngularJS.
• Knowledge on Sockets, Java Beans and Swing.
• Experience in RDMS using MYSQL, Oracle, SQL Server Extensive experience with Model2 (MVC) architecture and Jakarta Struts/Tiles. Solid experience in using Jakarta Apache frameworks like Struts, JUnit and Log4J.
• Good knowledge in Object Relation mapping using Hibernate 3.0.
• Experience in Eclipse Plug-in/API development, dependency management, Extension points, RCP Products, Eclipse EMF Modeling.
• Created and consume Rest Web Services
• Experience in developing applications usingJava/J2EE technologies likeS pring, Hibernate, EJB, Struts, Servlets, JSP, JDBC, JNDI, RMI, Java Beans, XML and middleware technologies likeWeb services, SOAP, Restful and WSDL.
• Strong experience in Spring Framework modules such as Spring MVC, SpringIOC, Spring AOP and Spring Heroku, Spring Integration, Spring Security, Spring Boot, Spring Netflix, Spring Zuul with Thymeleaf.
• Extensively used different Tag libraries like JSF Tags, Struts Tags, JSTL, Spring Tags, Display Tag, XML/XSD.
• Experience in design, development and deployment of enterprise applications for J2EE platform using JAVA, J2EE, Hibernate 3.0, Springs, JPA, Web Services, EJB 3.0, and XML JavaScript, SQL, HTML.
• Experience in using React JS components, Forms, Events, keys, Router, Animations and Flux concepts
• Experience in dynamic web development using JQuery, AJAX, Java Script, XML and CSS3.
• Experience in developing Web Services using REST and XML.
• Strong Experience in Oracle 11g and backend programming. Good experience in SQL, PLSQL, DB2. Normalization, creation of stored procedures and function.
• Excellent client interaction skills and proven experience in working independently as well as in a team.
• Proficient with Software development methodologies like Agile Methodologies.

TECHNICAL SKILLS:

Microsoft Office Suite: Microsoft word, Office, Excel, Power point.

Programming Languages: Java/j2EE, Java 8, JavaScript, SQL, PL/SQL, C, C++

Web Technologies: HTML5, CSS3, Java Script, AJAX, XML, XHTML, DHTML, JSON, React JS, Node JS, Angular 2,4,5,6, AngularJs, Kafka.

Databases: Oracle, DB@, PL/SQL, My SQL, SQL Server, MS Access, MongoDB

Cloud Services: EC2, EBS, S3, ELB, Cloud Watch, Lambda, SNS, Dynamo DB

Operating Systems: Windows 10, UNIX/LINUX, MAC.

Integrated development tools: Eclipse, Netbeans.

Application Tools: Jenkins, JIRA.

Testing Tools: Junit4.9, Selenium, Firebug, Protractor

SDLC Methodologies: Agile, Scrum models.

WORK EXPERIENCE:

Confidential, Chicago, IL

Sr. Java Developer

Responsibilities:

• Involved in requirement analysis, component architecture design and sequence activity diagrams for the necessary Service Components.
• Involved in Component Design, prototyped the necessary Business and Data layer Components in EJB, and created Dynamic Web Pages using JSP's and Servlets and also created Web-Services.
• Worked on n-tiered architecture using EJB, JSP, Servlets, HTML, JavaScript, SQL and Data Modeling.
• Developing experience on XML and XSLT using JAXP & JAXB packages.
• Developing Dynamic menu using XSLT which will run on XMLs to transform to required form.
• Developed the application using Spring Web MVC and other components of the Spring Framework, the controller being Spring Core Dispatcher Servlet. Also implemented Dependency Injection using the spring framework.
• Developed JSP custom Tag libraries, and associated support in the Action Servlet, that assists in creating interactive form-based applications, which is the one of the primary area of functionality using Spring Framework.
• Proven experience in AWS (EC2, EC2 Container Services/Docker, VPC with Security Groups, S3, IAM, SNS, Lambda, Route53, Cloud Formation, Cloud Watch, Services), DevOps tools.
• Worked Extensively with Angular 6 CLI for creating components, Services, pipes, Directives.
• Developed POC to create a user interface in Angular 6 for developers, Presentation as a Service.
• Implemented flux pattern by using redux framework as a core dependency.
• Used Redux Async actions to make the app fully asynchronous.
• Experience in developing Custom Tag Libraries in JSP to reuse the functionalities.
• Used OOPS design and core Java concepts such as Collections, Multithreading, Exception Handling.
• Created DB Controls and used it for connecting client/server data, client browser connect to the web server, then connect to the query for a record set, and have the record set downloaded for further client-side processing.
• Wrote SQL, PL/SQL and stored procedures as part of database interaction.
• Collaborated with team members and developed a SPA based on Angular 5 and Java Spring Boot.
• Used Angular 6CLI for easy generation of component and service as well as application's minification and deployment.
• Built routing and navigation with Router Module and injected Activated Route for parameters passing and implemented route guard for the purpose of secured routing.
• Worked on various JBilling Open Source platform for various telecom clients in Asia/Oceania. Performed functional, API testing on custom APIs built on existing systems like Product, Billing, Sales, etc.
• Involved in developing and testing the APIs using Postman.
• Build Postman Collections for REST APIs
• Used Eclipse for development, debugging, coding and deploying applications
• Worked with CVS configuration management system to maintain a single control over the source

Environment: EJB, JSP, Core java,Servlets, HTML5, DHTML, Struts, JavaScript, Web Service, XML, XSL, Oracle 12c/11g, WebLogic 7.0, CVS, Windows 10/8.1/7.

Confidential, Durham, NC

Java Developer

Responsibilities:

• Developed an original object model design using database objects.
• Developed user interfaces using JSPs, XHTML, CSS, JavaScript and AJAX.
• Generated Class Diagrams, Sequence Diagrams with Microsoft Visio and RAD.
• Designed patterns implemented such as Singleton, Front Controller, Factory pattern, Data Access Object.
• Worked on core java, using file operations to read system file (downloads) and to present on JSP.
• Implemented Kafka Security Features using SSL and without Kerberos. Further with more grain-fines Security I set up Kerberos to have users and groups this will enable more advanced security features.
• Involved in writing of Web services using SOAP, WSDL, deployment, and configuration and testing.
• Extensively used Hibernate for Object Relational Mapping for data persistence.
• Used a Microservice architecture, with Spring Boot-based services interacting through acombination of REST
• Unit testing, bug fixing in multiple environments (DEV/INT/CERT/PROD) and reproduce bugs for fixing and code review of individual modules in the application.
• Experience in working with API Gateways.
• Deployed the Application into Docker container and made easily accessible at runtime using cloud services like AWS, Netflix Eureka, Spring Hystrix as fallback method, Spring Ribbon for load balancing and a broker service to maintain status using Spring Kafka and Zookeeper.
• Involved in Docker containerizing the applications and pushing them to quay and deploying on kubernetes.
• Developed presentation tier using JSP, JQuery, HTML, and CSS for manipulating, validating, customizing, error messages to the User Interface.
• Parsed XML using SAX Parser and send that data to consumers as part of Batch Application.
• Developed unit test cases using JUnit framework.
• Accessed and manipulated the Oracle9i database by writing SQL Queries.

Environment: Java 8, J2EE, JDK, JSP, JDBC, SAS, VBA, HTML, XML, ANT, SQL, PL /SQL, Struts MVC, Core java,Microservices,Python,Hibernate, Oracle 9i/ 10g, UML, Eclipse, JUnit, CVS, JIRA, CSS, SQL, AJAX, Windows XP, UNIX / LINUX.

Confidential, McLean, VA

Java Developer

Responsibilities:

• Experience in developing the application on the front-end technologies which involves Ajax, frameworks like Bootstrap, CSS, Javascript and Jquery.
• Involved in analysis, specification, design, and implementation and testing phases of Software Development Life Cycle (SDLC) and used agile methodology for developing application.
• Developed an end -to -end appilication by using the spring framework like Sprin MVC.
• Developed the application UI using the latest versions like HTML5, CSS3, JQuery and Bootstrap.
• Developed various helper classes needed following Core Java multi-threaded programming and Collection classes.
• Developed various controllers which help in working of the application, by integrating the front-end with various services and mapper classes along with DAO implementations.
• Designed and developed the End Points (Controllers), Business Layer, DAO Layer using Hibernate/JDBC template, using Spring IOC (Dependency Injection).
• Extensively worked with the retrieval and manipulation of data from the SQL Database by writing queries using Rapid SQL.
• Well versed with core Java concepts like Collections, Swing, Serialization and Servletsand JSP
• Along with development regularly involved in Unit Testing code by using frameworks like JUnits.
• Also used AJAX in suggestive search and to display dialog boxes with JSF and DOJO for some front end.
• Involved in installing and configuring Maven for application builds and deployment
• Used application servers like Weblogic and Tomcat for deploying the web application.
• Worked on TAM junctions in the application development for the sake of the authentication process whenever the user login into the application.
• Developed the persistence layer using Hibernate Framework, created the POJO objects and mapped using Hibernate annotations and Transaction Management.
• Extensively used JSON to parse the data from server side to satisfy the business requirement in the Ajax calls of the application.
• Extensively used JUnit for unit testing, integration testing and production testing.
• Used repository like GIT to maintain the version of the files and took the responsibility to do the code merges and creating new branch when new feature implementation starts.
• Setup the continuous Integration (CI) and continuous Deployment (CD) process for the application using the Jenkins.
• Involved in sonarcube analysis using Jenkins build and had experience in working with fortify scan analysis in deploying application.
• Worked on AWS Lambda, AWS API Gateway, AWS Cognito, AWS Connect, AWS Cloud9, AWS Appsync
• Troubleshoot and debug issues related to Amplify, AWS SDKs, Lambda runtime (NodeJS, Python, Java)
• Worked on internal support tools for improving efficiency using Javascript
• Work on escalations regarding AWS Cognito.

Environment: HTML5, CSS3, Bootstrap3.3.7, JavaScript, JQuery3.2.1, AJAX, JBOSS (with tomcat) Application server, Weblogic 12.2.1, Agile(SCRUM), JDBC, Spring MVC, DOJO, JSON, GIT, JUnit, Maven, SOLR, SQL, Rapid SQL, REST Webservices.

Confidential, Milwaukee, WI

Java Developer

Responsibilities:

• Developed front end for Schedule Inefficiency using JSP/Servlets.
• Performed Analysis, Design, Development, Integration and Testing of application modules.
• Implemented application prototype using JSP, Servlets, JDBC, and to give the presentation.
• Used Eclipse Indigo IDE to develop the application.
• Used JBoss Server to deploy the application.
• Wrote technical documents related to workflow model and activities performed for the particular work items.
• Implemented token-based registration/login/logout flow with Laravel and server-side user authentication with JWT and utilized Google Cloud DataStore to store user accounts
• Performed new end-to-end system and deployed it to production with Docker
• Responsible for working on consuming SOAP web services.
• Developed complex database SQL queries/Stored Procedures and tuning SQL queries.
• Implemented logging mechanism using log4j tool.
• Experienced in building service-oriented solutions, SOAP and RESTful Microservices.
• Responsible for unit testing using JUnit and building test cases and templates for integration testing.
• Used Subversion to commit the source and created tags and branches.
• Communicated with the Offshore Team and helped them understand the Business Requirements.

Environment: Java, J2EE, JSP, Hibernate, spring, JNDI, HTML, CSS, XML, Java Script, Eclipse, XML, JBoss, ANT, JMS, SQL Developer, MS Visio, PL/SQL, Oracle, DB2, JProfiler SVN, Log4j, JUnit.

Confidential

Java Developer

Responsibilities:

• Involved in System Requirement study, conceptual design and designing of Use Cases based on the requirements using UML.
• Developed server-side services using Core Java concepts.
• Designed and developed presentation tier components such as commands, actions, JSPs, domain and domain access objects using Agile Processes/XP and best practices.
• Extensively worked with Servlets and Struts based multi-tier applications in developing J2EE Components.
• Involved in writing all client side validations using Java Script in Struts Action Form.
• Created new custom components using the java script code. The jsf or java script fragment file has been created for ease of use.
• Designed, Developed and Implemented document transformation applications using XML tool.
• Used DOM Parsing Methodology for Serializing and parsing the XML request and response.
• Improved the performance and response time of the application by implementing AJAX.

Environment: Java 1.5, J2EE 1.4, Servlets 2.3, JSP, AXIS, SOAP UI, JavaScript, Ajax, IBM WebSphere 6.0, RAD, Oracle 9.1, Toad, CVS