SUMMARY

• Over 10+ years of experience in design, development and implementation of software applications usingJava,J2EE, technologies.
• Having good experience in the Information Technology Industry and also healthy participation in all phases of Software Development Life Cycle (SDLC) including analysis, design, coding.
• Experience in Web Application Development, Client - Server based Enterprise Applications, System Analysis, Technical Design, B2B Implementation, Performance Tuning and Testing.
• Experience in the development of various web applications with open source frameworks like: JSP, JSF, Spring Framework (MVC), Struts Framework, Javascript, Angular JS, HTML, and CSS.
• Experience in Pair Programming, Test Driven Development, Waterfall model and Agile methodologies like SCRUM. Experience in development GWT application.
• Expertise in HTML, XHTML, HTML5,Java-Script, CSS, AJAX, JQuery, JSTL specification, XML (SAX, DOM), XSL, XSLT, JAXP, JAXB, DTD, Resource Properties.
• Expertise in Web-Development technologies like Servlets, JSP, JSTL, HTML, JavaScript, CSS, XML, XSL/XSLT, AJAX, JQuery.
• Expertise in Object Modeling with Use Cases, Sequence, Activity and Class Diagrams using UML and with Confidential Rational Rose and Microsoft Visio.
• Expertise using and deploying enterprise applications in JBoss AS, Weblogic and Tomcat.
• Experience in open-source technologies such as Ant, Maven, NetBeans and Eclipse IDE.
• Experience in using Design Patterns such as MVC, Singleton, Decorator, Composite, Command and frameworks such as Struts, Hibernate and Spring.
• Utilized the features of Spring Framework like AOP and developed light weight components and have experience in implementing the Spring Web MVC. Implemented the application logic using Struts.
• Extensive experience inJavadevelopment GUI using Swing.
• Extensively experienced in Middle Tier Development using Servlets, JSPs, and EJB.
• Strong skills include SOAP, WSDL and UDDI technologies of Web services.
• Expertise in using Custom Tag Libraries for embedding dynamic code into JSP pages.
• Experience in developing applications using CoreJava(Multithreading, I/O Stream, Collections, JDBC,JAVABEANS).
• Extensive experience in working IDE tools like Eclipse, Net Beans, RAD, WID (Web Sphere Integration Designer).
• Good knowledge and experience with multiple Servers like Confidential Web Sphere, Confidential Web Sphere ESB (Enterprise Service Bus), Web Logic server, Apache Tomcat.
• Used Angular JS for designing web pages in MVC Architecture.
• Experience in creating dynamic, interactive data visualizations in web browsers using D3.js.
• Experience in creating, validating and parsing XML documents.
• Extensive knowledge of XML-based standards and protocols (such as WSDL and SOAP), Service Oriented Architecture (SOA), development of XSD schemas and implementing both SOAP and RESTFUL web services.
• Experience in Integrating Various Mainframes like Cobol II And CISC with other components of project.
• Experienced in generating logging by Log4j to identify the errors in production test environment and experienced in Ant, Maven and Gradle tools.Hands on experience using Messaging Services like JMS, MQ Series, Active MQ.
• Experience in writing test cases inJavaenvironment using JUnit.
• Good debugging skills - deep diving into technical issues, collaborating with cross-domain experts, handling clients with different priorities and mind sets, both onsite and remote.
• Excellent organizational skills with a strong technical background.
• Have excellent Analytical, Problem solving, Communication and Interpersonal skills, with ability to interact with individuals at all levels and can work as a part of a Team as well as independently.

TECHNICAL SKILLS

• Java/J2EE
• Spring boot
• Spring
• Hibernate
• Hibernate Criterias
• Microservices
• JMS
• JSF
• Servlet
• JSP
• Struts
• Activemq
• Thymeleaf
• JPA
• Toplink
• JavaScript
• Angular 2
• ReactJS
• AJAX
• HTML5
• CSS3
• JDBC
• SQL
• MySQL
• NoSQL
• PL/SQL
• PostgreSQL
• Hadoop
• Big data
• JSON
• JUnit
• EasyMock
• TestNG
• JMeter
• Postman
• SonarQube
• AWS
• EC2
• DynamoDB
• Docker
• Kubernetes
• Lambda
• Elasticache
• Maven
• JIRA
• Tomcat
• IntelliJ
• Eclipse
• JBoss Wildfly
• Git Swagger
• SOA
• Rest
• SOAP
• Linux
• Unix
• Agile/Scrum

PROFESSIONAL EXPERIENCE

Confidential, San Diego, CA

Sr. Java Full-Stack Engineer

Responsibilities:

• Deployed Spring Boot based microservices in Kubernetes, Docker and Confidential EC2 container using Jenkins.
• Created RFP microservices to provide RESTful API utilizing Spring Boot with Spring Modules (DAO, MVC, Securities, AOP, ORM data), Hibernate(Hibernate Criteria), JPA Toplink, JSP, Struts, SERVLETS, EJB, Mybatis.
• Replacement of structs to Spring Framework using Spring Framework, Thymeleaf, JQuery and MySQL.
• Developed micro services using Spring Boot JPA to fetch the data from the DB.
• Dynamically filtered collection resources using Spring Data Rest.
• Combined imperative code and non-blocking reactive style using Quarkus.
• Delivered simple compile-time aspect-oriented programming API that does not use reflection using Micronaut.
• Generalized JPA Toplink mapping template for the application so that top link related code could be separated from the actual DAO implementation.
• Developed a fully functional prototype application using JavaScript and Bootstrap, connecting to a REST service hosted on AWS using API Gateway and used Dynamo DB.
• Developed various web applications /web pages using HTML5, CSS3, JavaScript, React.JS, Angular, NodeJS. Designed various web concepts like security (OAuth, SiteMinder and OpenID), session controlling, storage.
• Presentation tier was incorporated using JSP, HTML, CSS, AJAX and JavaScript. Involved in all phases of SDLC. Interacting with the client and analyzing the requirements to help and understand the requirements.
• MySql was used as RDBMS. Hands on experience creating E-R diagram, complex queries and sub queries.
• Responsible for designing and managing the Sqoop jobs that uploaded the data from Oracle to HDFS and Hive.
• Extensively worked with Database by writing queries using NoSQL, Oracle, SQL server, MongoDB, MySQL, JDBC. Used Redis for caching and Elastic Search which resulted in enhanced performance of the application.
• Experienced of Database design in Oracle/SQL Server query-based programming and PL/SQL procedure programming and proficient in Database programming using JDBC, Oracle, MySQL, DB2, PostgreSQL, NoSQL, MongoDB,Cassandra DB
• Responsible for Java profiler and JMeter load testing the error rate was reduced.
• Experience in packaging and deployment of SOA/BPM suite applications in different environments using ANT and WLST Scripts.
• Developed the UI responsible for creating efficient design and developing User Interaction screens using HTML5, CSS3, JavaScript, jQuery, React.js, Node.js, Angular2 and JSON.
• Designed and developed Restful API and services using best practices to interact within the microservices and with the front end using Spring MVC and Spring Rest. Security is provided via tokens(jwt) and Spring Security.
• Used IntelliJ as IDE to develop the application and followed the standard features for debugging and running.
• Extensive experience in web development using Angular 7/4/2, type script, RxJs, NGXS, Angular Material, VS Code, AngularJS, Visual Studio, C#, ASP.NET Core 2.0, MVC, VB.NET, Entity Framework,
• Expertise in Service Oriented Architectures (SOA- Web Services) using Apache Axis, MVC, WebLogic, JBoss Wildfly.
• Used Maven to build and deploy application JAR into JBoss WildFly server. Used, GIT for back up.
• Used Swagger annotations to generate Swagger documentation.
• Created test coverage for the web services by using Junit and Easymock.
• Used Maven as a build tool and created the framework with selenium, selenium grid, java, TestNG, BDD cucumber-JVM and page object page factory design pattern.
• Developed Test Cases using EasyMock and used POSTMAN to test REST Calls.
• Installed and configured SonarQube in the dev server for Code analysis and integrated Sonar plugin in out Gradle build and Jenkins.
• Expert in Various Agile methodologies like SCRUM, Test Driven Development, Incremental and Iteration methodology and Pair Programming.
• Implemented AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, and Auto scaling groups, Optimized volumes and EC2 instances.
• Expertise with NoSQL databases like HBase, Cassandra, DynamoDB (AWS) and MongoDB.
• Worked on OpenShift and exploring Dockers and Kubernetes.
• Experienced in core AWS services (S3, EC2, ELB, Route53, VPC, Subnet, Auto Scaling, cloud Trail, cloud Watch, ECS etc). Good knowledge on other services in AWS like DynamoDB, SQS and SNS.
• Configured and Managed EC2, Elastic Beanstalk, RDS, S3 Buckets, VPC, Security Groups, ECS, Auto scaling, ElasticCache, Glacier, SNS, SQS, SES and CloudWatch.
• Worked on real-time streaming using AWS Kinesis and Event Driven Design using AWS Lambda.
• Involved migrations process from Hadoop java map-reduce program to Spark-Scala APIs.
• Used AWS Data Pipeline for creating complex data processing workloads.
• Integrated configuration management and bug tracking tools such as the GIT SCM and JIRA web-hooks.
• Implemented business rules using RedHat JBoss BRMS and Drools API.
• Leverage WebLogic JMS for SOA Messaging and ActiveMQ for enterprise messaging.
• Worked on converting our product from an on-premise to a cloud based application. Node.js and CouchDB replaced Liferay and Tomcat code.
• Managed Ubuntu Linux and Windows virtual servers on AWS EC2 using Puppet.
• Used SOLID principles (single responsibility design) to maintain and extend over time of this application.
• Redesigned existing Learning some application using domain driven design and dependency injection framework.
• Working on GANG of FOUR design patterns like command pattern, dependency injection and repository pattern and using structure map for dependency injection, solid principles, domain driven design, single responsibility design, composite, behavioral, proxy, abstract, prototype, singleton and factory.

Environment: Java/J2EE, Spring boot, Spring, Hibernate, Hibernate Criterias, Microservices, JMS, JSF, Servlet, JSP, Struts, Activemq, Thymeleaf, JPA, Toplink, JavaScript, Angular 2, ReactJS, AJAX, HTML5, CSS3, JDBC, SQL, MySQL, NoSQL, PL/SQL, PostgreSQL, Hadoop, Big data, JSON, JUnit, EasyMock, TestNG, JMeter, Postman, SonarQube, AWS, EC2, DynamoDB, Docker, Kubernetes, Lambda, Elasticache, Maven, JIRA, Tomcat, IntelliJ, Eclipse, JBoss Wildfly, Git Swagger, SOA, Rest, SOAP, Linux, Unix, Agile/Scrum

Confidential, Austin, TX

Sr. Java Full-Stack Engineer

Responsibilities:

• Developed application service components and configured beans using Spring IoC, creation of Hibernate mapping files and generation of database schema.
• Worked on Java Multithreading, serialization, Garbage Collection, Exception Handling, Collection API's & Coherence Framework. Implemented Java Multithreading to refresh the cache at a given set of time interval.
• Developed a business logic layer using spring Dependency Injection and client-side Java-beans for DAO Design Patterns.
• Developed Struts Action and Action Form Java classes as needed, added information to the struts-config.xml configuration file to fit a given page into the flow of the application.
• Implemented Hibernate caching to improve the performance of the CRUD operations being served by Web services. Developed Cloud Compatible MicroServices using Spring, Java and related web technologies.
• Involved in development of services based architecture utilizing open source technologies like Hibernate ORM and Spring Modules (DAO, MVC, ORM). Used Swagger annotations to generate Swagger documentation.
• Used iBatis and MyBatis ORM tools which automate the mapping between SQL databases and objects in Java.
• Developed the application UI using the latest versions like HTML5, CSS3, JavaScript, Angular, React, Node.js, JQuery. Used AngularJS to build high-quality, scalable and reusable components and Front-end solution.
• Designed and Developed User Interface using front-end technologies like HTML, CSS, JavaScript, JQuery, AngularJS, Bootstrap and JSON. Implemented RESTful Web Services for the data transportation between multiple systems.
• Developed administrative interfaces with the technologies of JSP, JSF, Ember.js, backbone.js AJAX, and JavaScript.
• Configured Play application to use the Heroku Postgres database, firstly added the PostgreSQL JDBC driver to this application dependencies.
• Used Python scripting to move data from a SQL Server environment to AWS S3 and then to Confidential Aurora.
• Developed several RESTful API web services which produces both XML and JSON to perform tasks, leveraged by both web and mobile applications. Used Docker as a container tool to deploy the Microservices.
• Developed various web applications /web pages using HTML5, CSS3, JavaScript, React.JS, Angular 2, NodeJS. Designed various web concepts like security (OAuth, SiteMinder and OpenID), session controlling, storage.
• Used Spring Tools Suite (Eclipse) with Vaadin Framework as the development environment.
• Designed and implemented web server solutions and deploying java application servers like Tomcat, JBoss, WebSphere, WebLogic on Linux, Windows & UNIX platform.
• Used repository like GIT/Github 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.
• After fixing defects used SVN (Apache Sub versioning software) to check in the changes.
• Performed unit testing using JUnit, integration and deployment of applications done using tools ANT and Maven. Conducted performance testing using tools JMeter. Developed SOA enterprise system using Oracle SOA Suite.
• Worked on JUnit testing using Mockito and Power Mockito, integration testing and SOAP UI testing.
• Extensively used Debugging tool like postman, fiddler for restful web application.
• Maintained code integrity and cohesiveness using Jenkins continuous integration environment. Used SonarQube to analyze code quality issues.
• Experienced in a fast paced Agile Development Environment including Test-Driven Development(TDD) and Scrum.
• Deployed the application using RDS, AWS Elastic BeanStalk and monitor EC2 servers performance using CloudWatch.
• Implemented AWS solutions using EC2, S3, DynamoDB, EBS, Elastic Load Balancer, Auto scaling groups.
• Implemented and maintained monitoring and alerting of production and corporate servers such as EC2 and storage such as S3 buckets using AWS Cloud Watch.
• Maintained the user accounts (IAM), RDS, Route 53, SQS, SES, and SNS services in AWS cloud.
• Implemented and Worked on log analyzer tools like splunk, logstashd, elastic search, kibana, fluentd, Apache Frame and monitoring tools AppDynamics, Wily interscope. Sitescope, Nagios, Zabbix.
• Designed and Developed using Java/JEE Technologies like Spring, Apache Spark, AJSC Templates, Servlets, JSP, Struts, EJB, message broker ActiveMQ, JPA and JMS (Java Messaging Service).
• Used Kafka and Solace MQ for exchange of data.
• Actively used the tracking tool JIRA to create and track the stories and sub-tasks throughout the Sprint and crucible to do the code reviews.
• Worked on Jbpm, Activity BPM technology, Apache CXF and Camel Rest Service Implementations.
• Worked with ILog Jrule engine, to trigger the business rules in the rules execution engine configured in Weblogic 11g application server.
• Built an installer plugin for Appcelerator installer on Mac using Objective-C.

Environment: Java/J2EE, Spring boot, Spring, Hibernate, Hibernate Criterias, Microservices, JMS, JSF, Servlet, JSP, Struts, Activemq, Thymeleaf, JPA, Toplink, JavaScript, Angular 2, ReactJS, AJAX, HTML5, CSS3, JDBC, SQL, MySQL, NoSQL, PL/SQL, PostgreSQL, Hadoop, Big data, JSON, JUnit, EasyMock, TestNG, JMeter, Postman, SonarQube, AWS, EC2, DynamoDB, Docker, Kubernetes, Lambda, Elasticache, Maven, JIRA, Tomcat, IntelliJ, Eclipse, JBoss Wildfly, Git Swagger, SOA, Rest, SOAP, Linux, Unix, Agile/Scrum

Confidential, Jersey City, NJ

Sr. Java Full-Stack Engineer

Responsibilities:

• Used Java/J2EE Design patterns like MVC, Factory Method, Singleton, and Data Transfer Object (DTO) Service.
• Designed and develop new features in website using Java/J2EE and enhance existing features. Refactoring code, redesign current design. Designed and implemented Rules infrastructure by wrapping up core JRules API.
• Reviewed Requirement, develop technical design documents and create a prototype of the critical business application using JAVA/J2EEInitiated use of HttpUnit, Selenium IDE for testing.
• Used Java/J2EE Design patterns like Business Delegate, Session Façade, Data Transfer Object (DTO) and Service Locator in the project extensively, which facilitates clean distribution of roles and responsibilities across various layers of processing. Developed business modules using Mybatis, JSP, Servlets, Struts, JSF, Hibernate & Spring
• Built Web pages that are more user-interactive using HTML, CSS, JavaScript, Node.js, Bootstrap and AngularJs.
• Worked on the MySQL migration project to make the system completely independent of the database being used & database upgrade from oracle using JDBC, MS SQL, SQL Server, DB2, Coherence and TOAD.
• Worked on Web Services using REST, JSON, XML, Apache CXF. Adopt Agile Methodology to plan using JIRA.
• Developed test suites in Selenium WebDriver (Java) with Junit framework in Eclipse IDE.
• Used Maven, Ant for developing build scripts and deploying the application onto WebLogic.
• After fixing defects used SVN (Apache Sub versioning software) to check in the changes.
• Performed unit testing using JUnit, integration and deployment of applications done using tools ANT and Maven. Conducted performance testing using tools JMeter. Developed SOA enterprise system using Oracle SOA Suite.
• Extensively used Debugging tool like postman, fiddler for restful web application.
• Pioneer application hosting on cloud infrastructure using Confidential Web Services AWS, EC2, S3, RDS.
• Designed and developed the persistence tier using Java, J2EE, Spring, Struts, JSF, JSP, Servlets, NetBeans, Hibernate framework. Used CVS to maintain source and version management and used Eclipse as IDE.
• Designed and implemented Rules infrastructure by wrapping up core JRules API.
• Performed unit testing using JUnit, integration and deployment of applications done using tools ANT and Maven. Conducted performance testing using tools JMeter. Developed SOA enterprise system using Oracle SOA Suite.
• Worked on Backend on Java with Oracle database using JDBC, Oracle, MSSQL, MySQL. Developed the business tier using Core Java and the HTTP interfaces using Servlets. Created war files & deployed on Tomcat using ANT
• Used WebSphere server for deploying various components of application.
• Created AWS EC2 Linux instances to run post processing. Used Jenkins to run the deployment process.

Environment: Java/J2EE, Spring boot, Spring, Hibernate, Hibernate Criterias, Microservices, JMS, JSF, Servlet, JSP, Struts, Activemq, Thymeleaf, JPA, Toplink, JavaScript, Angular 2, ReactJS, AJAX, HTML5, CSS3, JDBC, SQL, MySQL, NoSQL, PL/SQL, PostgreSQL, Hadoop, Big data, JSON, JUnit, EasyMock, TestNG, JMeter, Postman, SonarQube, AWS, EC2, DynamoDB, Docker, Kubernetes, Lambda, Elasticache, Maven, JIRA, Tomcat, IntelliJ, Eclipse, JBoss Wildfly, Git Swagger, SOA, Rest, SOAP, Linux, Unix, Agile/Scrum

Confidential, Reston, VA

Java Developer

Responsibilities:

• Developed web Components using JSP, Servlet, Struts under J2EE Environment.
• Developed web application for recovering missing customer orders using JSP, JPA, SQL, JQuery and Ajax.
• Deployment of the webservice converted java interfaces on a daily basis to a websphere testing environment for subsequent development of the front end.
• Used Spring Core, Spring Web MVC, Spring ORM, Hibernate, Spring JDBC, and DAO, Spring AOP.
• Developed Applications using latest Java/J2EE technologies such as Struts, Java, Junit, and Cucumber.
• Developed administrative interfaces with the technologies of JSP, JSF, Ember.js, backbone.js AJAX, and JavaScript.
• Developed web presentation layer using HTML and CSS according to internal standards and guidelines.
• Responsible for designing and managing the Sqoop jobs that uploaded the data from Oracle to HDFS and Hive.
• Developed SOAP and HTTP Rest Web Services both in WMB and Confidential Datapower.
• Designed and Developed the input/output data formats in XSD for the WSDL files and accordingly implementing services using Apache AXIS2 .
• Used Netbeans for development and WebLogic Application Server for deploying the web application.
• Used version control and configuration management tools like SVN, CVS and Subversion. Used JUnit framework for unit testing of application and Log4j to capture the log that includes runtime exceptions.
• Designed Use Cases using UML and managed the entire functional requirements life cycle using waterfall model.
• Worked on development of infrastructure automation in AWS (EC2, S3, RDS) with AWS CloudFormation.
• Wrote Servlets programming and JSP scripting for the communication between web browser and server. Used ANT for building the application and deployed on BEA WebLogic Application Server.
• Developed jQuery code using an XML Http Request Adapter to send an AJAX request to the server-side code and implemented a callback function to handle the results.
• Used Struts Model-View-Controller approach to help design new features and fix Jira bugs and request.
• Deployed the complete Web applications in TOMCAT Application server.
• Involved in Building the modules in Linux environment with ant script.

Environment: Java/J2EE, Spring, Mybatis, Struts, JSF, JavaScript, HTML, CSS, DB2, MS SQL, Rest, XML, Apache CXF, Weblogic, AWS, EC2, S3, JSP, Servlets, JSON, XML, JIRA, jRules, SOA, SVN, JUnit, JMeter, Postman, Tomcat, Eclipse, Maven, ANT, Agile/Scrum, Linux, Unix, Mac .

Confidential, Seattle, WA

Software Engineer

Responsibilities:

• Involved in the Software Development Life Cycle (SDLC): Requirements gathering, Design, Code, Integrate, and Deployment and production phases.
• Implemented Struts Framework along with JSP, Struts Tiles, and Struts Tag libraries to facilitate user interface design.
• Developed the credit check module using Servlets and JSP & CoreJavacomponents in Web logic Application Serve.
• Developed validations using Struts validation framework.
• Developed Stateless Session Beans to transfer calls from presentation tier to data services tier.
• Used JavaScript, HTML, JSP pages for developing front end UI.
• Development of basic framework for the project by using spring, Hibernate and other API.
• Development of Entity classes and establishment of relationships between them using Annotations.
• Involved in writing POJO classes, XML configuration files, defining DAO interfaces and writing Hibernate query language(HQL) queries.
• Designed Oracle database schema for the tables
• Developed and Modified tables, views, Triggers, stored procedures, packages
• Developed various backend application programs such as Views, Functions, Triggers, Procedures and Packages using SQL and PL/SQL language for the top management for decision making.
• Code SQL Stored Procedures and integrated with application
• Cursors, Dynamic SQL, functions as part of Project/Application requirements Fixing the bugs which were found in the UAT phase before production.
• Unit testing and integration testing of owning use cases
• Deploying the application in the server environment and Test support to the QA Team.
• Deployed the application on Web Sphere Application Server.
• Designed EJsB2.1 like Stateless Session Bean for the Session Facade design pattern.

Environment: Java, Spring, Struts, JDBC, JSF, JavaScript, HTML, CSS, Oracle, websphere, AWS, EC2, JSP, Servlets, SOAP, Rest, Axis2, CVS, JUnit, Ant, XML, WSDL, JIRA, Tomcat, Waterfall, NetBeans, Linux, Unix

Confidential, San Francisco, CA

Software Engineer

Responsibilities:

• Involved in the Analysis, Design, Implementation and Testing of Software Development Life Cycle (SDLC) of the project
• Developed presentation layer of the project using HTML, JSP 2.0, JSTL and JavaScript technologies.
• Developed complete Business tier using Stateless and Stateful Session beans with EJB 2.0 standards using Web Sphere Studio ApplicationDeveloper.
• Involved in various phases of Software Development Life Cycle (SDLC) of the application like Requirement gathering, design, Analysis, Code development base and Testing.
• Interacting with business analyst on the requirement gathering, Design, Analysis.
• User Interface was based on JSPs, EXTJS which uses extensive Object Oriented JavaScript and AJAX for seamless communication between client side and server.
• Delivering a complete front end application
• Developed Ant build scripts for compiling and building the project.
• Created test plans and JUnit test cases and test suite for testing the application.
• Participated in the production support and maintenance of the project

Environment: Java/J2EE, JAXB, MySQL, Confidential WebSphere, Tomcat Application Server, Web Service- RestFul, HTML, CSS, Spring, Hibernate, Eclipse, Maven, JUnit, Log4j, SVN, Servlets, JSF, jQuery, JSP, JavaScript.