SUMMARY:

• 9+ years of experience in design, development and implementation of software applications using Java, 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 Test Driven Development, Waterfall model and Agile methodologies like SCRUM.
• Experience in analysis, design, development, testing, maintenance, performance tuning and deployment of internet, e - commerce and client-server applications using Java, Servlets, JSP, JavaBeans, JDBC, Spring, Hibernate, AJAX, JavaScript.
• Expertise in Distributed and Web environments, focused in JAVA Technologies - Java collections, Threads, J2SE, JDBC, Struts, Spring, Hibernate Framework .
• Experience in creating comprehensive web applications using MEAN stack implemented with MS SQL, Express, Angular 2/4 and Node.js, Java8
• Expertise in Web-Development technologies like Servlets, JSP, HTML5, JavaScript, CSS3, XML, AJAX, JQuery.
• Good OOAD skills and data modeling using UML (Use-cases, Class diagrams, Sequence diagrams etc.). Used UML tools like STARUML.
• Expertise in Client scripting language and server-side scripting languages like HTML, CSS, JavaScript, AJAX, jQuery, Bootstrap, React JS, Angular JS and Node JS.
• Extensive experience in Amazon Web Services (Amazon EC2, Amazon S3, Amazon SimpleDB, Amazon EBS, Amazon RDS, AWS Cloud Watch, Amazon Elastic Load Balancing, Amazon SQS, AWS Identity and access management and Amazon Cloud Front).
• Extensive knowledge of XML -based standards and protocols (such as WSDL and SOAP ), Service Oriented Architecture (SOA).
• Extensively experienced in Middle Tier Development using Servlets, JSPs, and EJB(3.0).
• Good knowledge and experience with Servers like Web Logic server, Apache Tomcat, JBoss.
• Extensive experience in working IDE tools like Eclipse, IntelliJ.
• Strong experience in JDBC, SQL, PL/SQL.
• Experienced in generating logging by Log4j to identify the errors in production test environment and experienced in Ant, Maven and Gradle tools.
• Strong experience in UNIX and Shell scripting.
• Hands on experience with Angular JS.
• Experience in SVN for version control and used Maven for building
• Good experience in working with team members and internal departments to coordinate activities across multiple applications.

TECHNICAL SKILLS:

Languages: JAVA 7.0/6.0, SQL, PL/SQL, C.

Web Technologies: JSP, Servlets, JDBC, JMS, JPA, Web Services, SOAP, WSDL, HTML5, XML, Java Beans, JavaScript, Angular JS, AJAX, CSS3.

Web/App. Servers: Apache Tomcat, Web Logic, Web sphere, JBoss.

IDEs: Eclipse, Intellij.

Tools: Ant, MAVEN, PL/SQL Developer, JUnit, JIRA

Operating systems: Windows, UNIX, Linux.

Databases: Oracle, My Sql, MS SQL Server 7.0, Sybase, MS-Access.

Frameworks: Struts, Spring MVC, Spring JDBC, Spring Web Flow, Hibernate, DWR, Log4j, JSF, JPA.

Version Control: SVN, Git.

Development Methodologies: Waterfall, Agile and Scrum

Services: SOA architecture, RESTFUL/SOAP, Microservices, Apache CXF

Servers: JBOSS, Weblogic 10g, Websphere, Apache Tomcat

PROFESSIONAL EXPERIENCE:

Confidential- Santa Clara, CA

Sr. Full Stack Java Developer

Responsibilities:

• Developed Java modules implementing business rules and workflows using Spring MVC, Web Framework.
• Had experience in performance tuning J2EE apps, performance testing, analysis, and tuning.
• Developed the Product Builder UI screens using Angular-JS, Node JS, HTML5,CSS , Javascript.
• Worked on development of Hibernate, including mapping files, configuration file and classes to interact with the database.
• Implemented the persistence layer using Hibernate ORM. Utilized PL/SQL for stored procedures.
• Used Hibernate ORM module as an Object Relational mapping tool for back end operations over Oracle database.
• Hands on experience in setting up databases in AWS using RDS, storage using S3 bucket and configuring instance backups to S3 bucket to ensure fault tolerance and high availability.
• Designed and developed the REST based Microservices using the Spring Boot .
• Followed ES6 code syntax for writing the REACT components and NODE API
• Experience with Streaming platforms like Apache Kafka
• Developed Kafka consumers to consume data from Kafka topics
• Designed and developed the login portal using framework Angular 2 along with HTML5, CSS3 and Type Script.
• Developed various react functional and presentation components using JSX, HTML and Bootstrap.
• Improved the maintainability of the project by implementing and improving Exception Handling and Collection APIs
• Involves in Sprint planning for the estimation of efforts for user stories and bugs.
• Used Apache Kafka (Message Queues) for reliable and asynchronous exchange of important information between multiple business applications.
• Deployed services in Spring Cloud using Pivotal Cloud Foundry with PCF CLI client
• Worked on core AWS services such as Setting up new server (EC2) instances/services in AWS, configuring security groups, and setting up Elastic IP's, auto-scaling and Cloud Formation.
• Performed code reviews and provided guidelines for best practices of software management, Coding Standards and Code Commenting for better understandability.
• Implemented Angular 2 component router for navigation.
• Designed and developed product for delivery location monitoring system using Spring MVC, Spring Boot, Spring Data, Spring Cloud, Maven, JPA, Hibernate, Tomcat, RabbitMQ, MongoDB, Web Socket, and implemented server-side REST APIs.
• Developed and Implemented new UI's using Angular JS and HTML, NOSQL, Java8.
• Used Java8 features in developing the code like Lambda expressions, creating resource classes, fetching documents from database.
• Wrote test cases for react components and ran those test cases on Node js server using mocha
• Created a demo website running on a Node.JS , using the Express framework, Jade, and Backbone.JS with Mustache.JS for front end MVC / templating.
• Using Angular JS created custom directives for data manipulations and to display data in company standard format in UI.
• Used Spring Boot which is radically faster in building cloud Micro services and develop Spring based application with very less configuration.
• Involved to implement various screens for the front end using REACTJS and used various predefined components from NPM (Node Package Manager) and REDUX library.
• Worked with Angular 2 directives, components, pipes, injectables.
• Skilled in Developing Single-Page Applications (SPA) using Backbone.JS Angular.JS MVC . Using Node.JS utilities to automate build tasks. Thorough understanding of React.JS and Bootstrap
• Developed product using Backbne.JS, Handlebars JS and SASS . .
• Developed a set of the application functionality using CRUD (Create, read, update, delete) features of Backbone.js
• Develop dashboard for client health and performance (Node.js/Express backend / D3 frontend)
• Designed and developed asynchronous RESTful Microservices using Spring boot, Couchbase and RXJava that are consumed by other Microservices with an average response time of 30 milliseconds.
• Wrote build and deployed scripts using Shell and ANT scripts and involved in performance analysis of the application and fixed problems/suggest solutions.
• Actively involved in coding using Java 1.8, Spring and Angular 4 to develop features from end to end; Used Java collection API extensively such as Lists, Sets and Maps.
• Very Good understanding and Working Knowledge of Object Oriented Programming(OOPS), Python and Scala Actively involved in deployment Application war files in Weblogic Application server.
• Used Maven for application build and svn for change control management.
• Unit testing of developed product features using Junit and Mockito frameworks as part of development cycle.
• Used SOAP based Web services and RESTful Web services for transferring data between applications.

Environment: Java, J2EE, SpringMVC, Hibernate v3.0, Oracle DB, Angular-JS, CSS, HTML5, Javascript, jQuery, AJAX,SOAPUI 5.1, IntelliJ, Db.Visualizer, Tomcat, JBoss, SVN, Maven, JIRA, SOAP/RESTful, Web Services, WSDL, Agile, cucumber, Bamboo CI.

Confidential - NYC, NY

Java/ J2EE developer

Responsibilities:

• Actively participated in different phases of the Software Development Life Cycle (SDLC) and analyzed Use case diagrams and Class diagrams based on requirement.
• Migrating existing application into REST based Microservices to provide all the CRUD capabilities using Spring Boot.
• Created S3 buckets and managed roles and policies for S3 buckets. Utilized S3 buckets and Glacier for file storage and backup on AWS cloud. Used Dynamo DB to store the data for metrics and backend reports.
• Developed and deployed solution using several new technologies, including Linux Ubuntu and Apache SOLR
• Presentation Layer is created using JSP, HTML, Apache Jena and Struts Tag Libraries.
• Configured frontend to server side by using Struts Configuration.
• Validated user data using Struts Action Forms and user request is processed using Action Classes.
• Written Hibernate mapping file for each Java Object and configured with respective table in Hibernate Configuration.
• Worked with NoSQL Cassandra to store, retrieve, and update and manage all the details for Ethernet provisioning and customer order tracking.
• Used various Backbone.JS components like View, Model, Router, Collections.
• Developed model methods in Backbone .js like to JSON, get, set, fetch and sync.
• Heavily used Lambda function on text object methods Context object properties using Node.js
• Processing data ingestion and entity resolution using Hadoop and Pig.
• Involved in developing spring-ORM by integrating spring with Hibernate.
• Applied Hadoop MapReduce to reduce processing time from two weeks per year of data to one day.
• Implemented Backbone.JS and React.JS to create a dynamically changing website.
• Implemented Microservices architecture using Spring Boot for making application smaller and independent.
• Developed custom directives and created Angular JS services to consume in controllers.
• Working experience with No SQL DB Mongo DB, Cassandra for offering commercial support and other services.
• Developed major websites and services by including Mongo DB and cassandra as backend software.
• Implemented MVC architecture using JSP, Spring, and Hibernate and used Spring Framework to initialize managed beans and services.
• Developed single page applications using Angular 2 , Typescript, web pack and grunt.
• Involved in development of Agent Verification System using Spring MVC framework.
• Expertise in implementing Micro Services using Spring, Spring boot and Spring cloud.
• Written SQL Queries to communicate with the Oracle Database.
• Development of SQL/PLSQL scripts for stored procedures, functions for SQL server database.
• Developed DAO’s (Data Access Objects) and performed O/R mapping using Hibernate to access the database.

Environment: Java, J2EE, Struts 1.2, Struts Tag Libraries, Spring MVC, Spring Web Flow, Hibernate, Oracle 9i, Web Sphere 5.1, Angular-JS, CSS, HTML5, JavaScript, jQuery, AJAX,SOAPUI 5.1, IntelliJ, Db. Visualizer, Tomcat, JBoss, SVN, Maven, JIRA, SOAP/RESTful Web Services, WSDL, Spring Based Microservices, Multi-Threading, Agile and Scrum methodology.

Confidential, Newark NJ

Java/ J2EE developer

Responsibilities:

• Involved in analysis, design and development of e-bill payment system, transactions, History, Branch Locator as well as account transfer system and developed specs that include Use Cases, Class Diagrams, Sequence Diagrams and Activity Diagrams in UML with Rational tools.
• Developed core Service as maven jar that can be included by other Microservices as their maven dependency.
• Developed React stateful and stateless re-usable components, created actions, stores, dispatcher and configured even emitter to emit the events up on changes to the stores.
• Worked on various subscriptions and topics using SNS, SQS based services and automated the environment deployment on AWS cloud. Also, sent bulk emails to users developed Java API to interact with SQS and SNS.
• Developed the presentation tier using Spring Framework that ensures MVC rapid application development.
• Developed account transfer system using Spring beans and developed persistence layer in Hibernate for data access
• Used Spring Framework for Dependency injection and integrated with the JSF Framework and
• Hibernate.
• Created data model and generated Hibernate mappings and domain objects using Hibernate tools; interfaced back-end database by integrating Spring with Hibernate.
• Good knowledge in Developed Java API to connect with AWS S3 Services for storing and retrieving data stored in the S3 buckets.
• Designed and developed the REST based Microservices using the Spring Boot, Spring Data with JPA
• Interfaced with the NoSQL, MongoDB back-end database by integrating Spring with Hibernate.
• Experienced in using Spring annotations based on layer in applications like Component, Controller,
• Service, Repository, etc. annotations.
• Developed and maintained elaborate services based architecture utilizing open source technologies like Hibernate ORM and Spring MVC Framework.
• Used MongoDB in conjunction with the AWS S3 for storing the metadata information on MongoDB collections.
• Development SOAP and RESTFul Web services using Apache Axis1, Weblogic, Web Service Tools, Session beans as web services, Spring MVC and Jersey.
• Implemented and configuring Spring MVC components Dispatch servlet, Controllers and View resolvers.
• Developed SOAP Web Services by using JAX-WS and RESTful web services by using (JAX-RS) Jersey framework.
• Developed Web Services to provide the list of transactions for an account as a SOAP endpoint service
• Used XSLT to transform the response data in a readable form to be presented to the user
• Implemented persistence layer using Hibernate that use the POJO classes to represent the persistence database tables. These POJOs are serialized Java Classes that would not have the business processes.
• Implemented AJAX calls using JSF-AJAX integration and implemented cross-domain calls using JQuery AJAX methods.
• Implemented the application using the concrete design patterns such as MVC, Business Delegate, Session Facade, DTO, Singleton and Factory.
• Developed stored procedures, triggers for efficient interaction with MySQL.
• Developed test cases and performed unit testing using JUNIT.
• Used Log4J to capture the log
• Built, configured and deployed applications using Maven.
• Used CVS for version control across common source code used by developers.

Environment: Java, Hibernate, Spring, SOAP/REST web services, JSF, MySQL, Maven, CVS, WSDL, Jax-Rs, Junit, Log4j

Confidential

Java developer

Responsibilities:

• Worked with development team to design solutions; implemented client side JavaScript tracking code inJSP web application using s code.js code library
• Used React Fetch to make REST API calls and used Toaster to show info, warn and error notifications to the user.
• Designed and implemented application using JSP, Spring MVC, Spring IOC, Spring Annotations, Spring Batch, Spring AOP, Hibernate, JMS, Oracle and WebLogic server.
• Created and optimized graphic prototype websites and applications interfaces using HTML and CSS.
• Involved in writing application level code to interact with APIs, Web Services using AJAX, JSON and XML.
• Experience on scripting (e.g. Bash, Powershell, Perl, Ruby, Python)
• The project uses the graphic database Neo4j, backend is Node.js, and front end is React.js, Redux and D3 to implement the visualization. It also uses S3 buckets to store the forms which can only be accessed by authenticated login
• Implemented and designed user interface for web based customer application.
• Designed business applications using web technologies like HTML, XHTML, and CSS based on the
• W3C standards.
• Ensured tagging implementation is correct by walking through the code, working with digital pulse debugger and Charles web debugging proxy. Finally validate data quality by validating reports in Adobe Analytics and Ad-hoc analysis (Discover) tool.
• Mentored UI/UX and development team for tagging using implementation guidelines and best practices.
• Assisted QA teams for creation of different test cases for end-to-end validation of tracking code.
• Created classification hierarchies for Traffic variables and Conversion variables.
• Prepared shared dashboards as per requirements of business stakeholders
• Deployed JavaScript using Bright Tag a tag management solution for Sears and Kmart desktop sites.
• Extensively used JIRA as an issue tracking and bug-reporting tool.

Environment: Java, Spring,, SOAP/REST web services, Junit, SVN, Maven, JavaScript, JQuery, Angular JS, HTML, CSS, AJAX, SQL, Agile, Scrum.