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Java Full Stack Developer Resume

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Sunnyvale, CA

SUMMARY:

  • Over 8 years of strong software experience in design, development and deployment of web - based Client-Server business applications using OOP, Java/J2EE technologies.
  • Ability to efficiently translate algorithms, ideas and concepts to software applications.
  • Proficient in applying design patterns like MVC, Singleton, Session Facade, Service Locator, Visitor, Observer, Decorator, Front Controller, Data Access Object.
  • Expertise in design with Use Case, Sequence diagrams, Activity diagrams, Class diagrams with exposure to UML, tools like Rational Rose and use of Rational Unified Process (RUP).
  • Extensively worked on during my tenure in Software Development are AngularJS, ReactJS, Spring MVC, Spring Integration, Spring Batch, Apache POI, Hibernate, REST Web services, and Databases like Oracle.
  • Extensive experience in developing scalable, reliable and efficient enterprise applications using Java, Spring, Struts, Hibernate, Web Services, RESTful, JSF, JDBC, JSP, Servlets, EJB, JMS, XML, XSLT, JAXB SQL,PL/SQL, Unix Shell scripting.
  • Expert Level Skills in Java, JDBC, JavaBeans, Spring Frameworks, Hibernate, Struts, JSP, JavaScript, JFC, Servlets, EJB, GWT.
  • Worked on JDK 1.7 1.8, SOAP, JSP, Servlets, XML/ XSL/ XSLT, XML Schemas XSD, JUnit, JavaScript, RMI, JDBC, Apache STRUTS Framework versions 1.1.
  • Good experience in using Amazon Web Services (AWS) and AWS SNS/SQS for delivering messages.
  • Expertise in using Design patterns and object oriented methodologies to design software for Mobile Application.
  • Posses expertise in designing and developing web and mobile applications using HTML 5, CSS3, Less, Sass, JavaScript, jQuery, nodeJs, AngularJS. Skilled at progressing from problem statement to well documented designs.
  • Expertise in the implementation of Core Java concepts of Java, J2EE Technologies: JSP, Servlets, JSF, JSTL, EJB transaction implementation (CMP, BMP, Message-Driven Beans), JMS, Struts, Spring, Swing, Hibernate, Java Beans, JDBC, XML, Web Services, JNDI, Multi-Threading, Data structures etc.
  • Development of services that utilize AWS SDK's (Dynamo DB, Elastic Beanstalk, EC2, Lambda)
  • Proficient in implementation of frameworks like Struts, spring, JSF, AJAX frameworks (Rich Faces, MyFaces) and ORM frameworks like Hibernate.
  • Extensive experience in designing MongoDB multi-shared cluster and monitoring with MMS.
  • Focused on architecting NoSQL databases like Mongo, Cassandra and Cache database.
  • Expertise in XML technologies such as XSL, XSLT, XML schemas, XPath, XForms, XSL-FO and parsers like SAX/DOM.
  • Expertise in developing SOA (Service Oriented Architecture) and J2EE Web Services based on SOAP, WSDL, UDDI, JAX-WS, JAXB, JAX-RPC using tools like Apache Axis.
  • Knowledge of XML and related technologies like XSL, XSLT and parsers like JAXP (SAX, DOM) and JAXB.
  • Proven experience with Application Servers like IBM WebSphere 6.x/5.x/7.0, Oracle/BEA WebLogic 9.x/8.x/7.x/6.x, JBoss and Tomcat 5.x/4.x/3/x.,
  • Proven experience in writing Queries, Stored Procedures, Triggers, Cursors, Functions and Packages using TOAD.
  • Excellent experience with major relational databases - Oracle 11g/10g/9i, SQL Server 2000/2005/2008, DB2, MySQL.
  • Experience in upgrading and migrating various versions of MongoDB on different platforms.
  • Strong experience with MongoDB development (reports, schema design, map reduce functions) and migrations from SQL relational databases.
  • Extensive development experience in different IDE's like Eclipse 3.x, Jbuilder 9.x/8.x, WSAD 5.x, IBM RAD and Altova XMLSpy.
  • Used Web Sphere Application Server, Web Logic Application Server, JBoss and Apache Tomcat in all my projects and successfully deployed and compiled many of the applications on them.
  • Expert level skills on JQuery, JavaScript, VBScript, Perl, AJAX, Adobe Flex, ActionScript, JSON, HTML, DHTML, CSS, Tiles, Tag Libraries.
  • Extensive experience in using Amazon Web Services like RDS,EC2,Redshift,SQS,SNS,Cloud Watch and S3
  • Experience in developing Web-Centric applications using AngularJS, BackboneJS, ExtJS, NodeJS, JavaScript, JQuery, CSS3.
  • Hands on experience with build tools like ANT, Maven and logging tools like Log4J.
  • Expertise in unit-testing with JUnit using tools like JMeter.
  • Experience in Agile software development process, Test Driven Development and Scrum methodologies.
  • Experience in Developing GUIs using Eclipse RCP/SWT and Core Java Design patterns.
  • Good Experience in software configuration management using CVS, GIT and SVN.
  • Experience in using Maven and ANT for build automation.
  • Knowledge on Build tool Jenkins with configuring check styles, Test coverage.
  • Experienced with Splunk tool for production support.
  • Part of Scrum, Sprint review, Retrospection and Virtual Closure meetings as a part of AGILE.
  • Excellent at understanding new technologies and capable of implementing without conventional training
  • Strong Analytical and programming skills in using technology to develop effective complex business solutions.
  • Excel under pressure and thrive in dynamic environments. Comfortable with ambiguity and multitasking.

TECHNICAL SKILLS:

Java/J2EE Technologies: Servlets, JSP, JSTL, JDBC, JMS, JNDI, RMI, EJB, JFC/Swing, AWT, Applets, Multi-threading, Java Networking

Programming Languages: Java JDK 1.4/1.5/1.6/1.7/1.8, C++, C, SQL, PL/SQL

Application/Web Servers: Oracle/BEA WebLogic 8.1/9.1, IBM WebSphere 5.1/6.0/6.1/7.0, JBoss, Tomcat 5.0.28/6.0

Frameworks: Struts 2.x/1.x, Spring 3.x, Hibernate 4.x/3.x, JSF 1.2/2.0,iBatis

IDEs: Eclipse 3.x, IBM WebSphere Application Developer 5.x, IBM RAD, Scala

Web technologies: JSP, JavaScript, jQuery, AJAX, XML, XSLT, HTML, DHTML, CSS,HTML5

Web Services: JAX-WS, JAX-RPC, JAX-RS, SOAP, WSDL, UDDI

XML Tools: JAXB, Apache Axis, AltovaXMLSpy

Methodologies: Agile, Scrum, RUP, TDD, OOAD, SDLC

Modeling Tools: UML, Rational Rose, Visio

Testing technologies/tools: JUnit, JMeter, HtmlUnit

Database Servers: Oracle 8i/9i/10g, DB2, SQL Server 2000/2005/2008, MySQL

Version Control: CVS,SVN, Rational ClearCase

Build Tools: ANT, Maven

Platforms: Windows 2000/98/95/NT4.0, UNIX

PROFESSIONAL EXPERIENCE

Confidential, Sunnyvale, CA

Java Full stack Developer

Responsibilities:

  • Interact with Clients and get the Requirements. Analyzing the specifications provided by the clients.
  • Requirements analysis, design and development.
  • Drive the complete project from beginning to delivery.
  • Creates templates based on Requirement and import the transactions into system.
  • Develop the shell scripts to pre-process the files into system.
  • Creates GL Configuration and Recon account setup for every expansion(New County expansion).
  • Do code review developed by offshore peer to peer.
  • Providing the support for UAT team while doing UAT testing and fix the bugs raised by UAT team.
  • Extensive use of core Java Collections, Generics, Exception Handling, and Design Patterns for functionality, such as portfolio summary and user information.
  • Created Java J2EE application to View Data in MongoDB.
  • Wrote SQL queries, stored procedures and enhanced performance by running explain plans.
  • Developed the functionalities under Agile Methodology JIRA processes.
  • Worked in all the modules of the application which involved front-end presentation logic developed using Tiles with Spring MVC, JSP, JSTL and java script, Business objects developed using POJOs and data access layer using Hibernate framework.
  • Developed and tested Apache JMeter Java Request Sampler Plugins Extensions using methods inside of Linux Desktop Testing Project (LDTP) Java libraries for Graphical User Interface (GUI) Automation Testing
  • Have been working on Query optimization, functions and Stored Procedures and other database objects. Worked on Oracle9i/10g, My Sql.
  • Involved in writing Thread Safe blocks for multithread access to make valid transactions.
  • Responsible for the implementation of application system with Core Java and spring framework .
  • Created and injected spring services, spring controllers and DAOs to achieve dependency injection and to wire objects of business classes.
  • Used Spring Inheritance to develop beans from already developed parent beans.
  • Designed and Implemented REST web services using JAX-RS, Spring REST .
  • Wrote AngularJS services to consume Restful web service to load data.
  • Worked with Swing and RCP using Oracle ADF to develop a search application which is a migration project.
  • Writing Scala classes to interact with the database.
  • Used Source Tree for Git (Subversion tool).
  • Used DAO pattern to fetch data from database using Hibernate to carry out various database specific operations and avoided redundant database access statements and thus achieved decoupling and flexibility.
  • Used Hibernate Transaction Management, Hibernate Batch Transactions, and Hibernate cache concepts.
  • Defined MultiAction, AbstractWizardForm and SimpleForm Controllers using Spring MVC framework providing very clean division between controllers, flexibility with the use of interfaces and providing thin web layer over business layer.
  • Involved in tuning the front-end stack for performance (performance tuning) .
  • Developed screens using JSP, JavaScript, AJAX and Ext JS.
  • Developed entire user interface using various Ext JS components like Form panels, Tab panels, View port and Editable grids .
  • The most recent version I have been working with is Java 8. Java 8 comes with the support of lambda expression, Streams, new Date/Time API, Optional.
  • Used AJAX extensively to implement front end /user interface features in the application.
  • Implemented SOA to develop Web services using Apache Axis.
  • Developed Web Services clients to consume those Web Services as well other enterprise wide Web Services.
  • Exposed the Web Services to the client applications by sharing the WSDL’s.
  • Managed and maintained Oracle and NoSQL (MongoDB) databases in production domain.
  • Database development required creation of new tables, PL/SQL stored procedures, functions, views, indexes and constraints, triggers and required SQL tuning to reduce the response time in the application.
  • Developed various helper classes needed using multi threading .
  • Experience in NoSQL (MongoDB) in using Hierarchy Modelling Techniques like Tree Aggregation, Adjacency Lists and materialized paths.
  • Integrated the Java code (API) in JSP pages and responsible for setting up AngularJS framework for UI development. Developed HTML views with HTML5, CSS3/Sass, bootstrap, NodeJs and AngularJS.
  • Implemented code according to coding standards and Created AngularJS Controller which Isolate scopes perform operations.
  • Implemented the MVC architecture using NodeJs and Angular.js, ReactJS.
  • Extensively used Core Java such as Exceptions, and Collections Used various jQuery and Bootstrap plug-in like date picker, Bootstrap selectors.
  • Experience in using NoSQL (MongoDB) data models document, key-value & wide column, or graph model.
  • Configured the Web sphere application server to connect with DB2, Oracle and SQL Server in the back end by creating JDBC data source and configured MQ Series with IBM RAD and WAS to create new connection factories and queues
  • Creating reproducible infrastructure environments for the microservices architecture (Ansible, AWS CloudFormation)
  • Highly-available and auto-scalable set of microservices with zero-downtime deployment, unified monitoring and logging (Docker, AWS Elastic Beanstalk, Ansible, Jenkins, Datadog, Splunk)
  • Migrating the data from Angular JS to Angular JS 2.
  • Extensively worked on TOAD for interacting with data base, developing the stored procedures and promoting SQL changes to QA and Production Environments.
  • Used Apache Maven for project management and building the application.
  • Implemented all enterprise integration patterns by using Camel.

Environment: J2EE, Java 1.7/1.8, Spring framework, Git, JSF, Struts, Bootstrap, Spring MVC, JSP 2.0, JSF, Micro Services, Servlets 2.3, Hibernate, Spring Boot, Camel, AJAX, Core Java, Maven, Web services, XML, Java Beans, HTML, Angular JS, Angular JS 2, NodeJs Linux, ReactJS, JQuery, JavaScript, NoSql (Mongo DB), Oracle 10g.

Confidential, NY City

Java Full stack Developer

Responsibilities:

  • Defined and constructed layers, server-side objects and client-side interfaces based on J2EE design patterns, Developed and implemented Swing, spring and J2EE based MVC (Model-View-Controller) framework for the application.
  • Designing and implementing the User Interface using OO JavaScript, Ember JS, HTML, CSS/CSS3, SASS and AJAX.
  • Designed Prototype and project layout skeletons using ReactJS, JQuery and CSS/LESS and HTML5.
  • Involved in designing and developed presentation layer using JSF, Ajax, and JQuery and third party libraries.
  • Implemented the associated business modules integration using spring, and Hibernate data mapping.
  • Worked on writing Perl scripts covering data feed handling, implementing business logic, communicating with web-services through SOAP Lite module and WSDL.
  • Developed classes using core java (multithreading, concurrency, memory management) and some spring IOC.
  • Used spring dependency injection, annotations and Spring MVC components to implement business layer and navigation part of application.
  • Struts Tag Libraries and Struts Tiles Framework were used in addition to JSP, HTML5, AJAX and CSS in developing the presentation layer.
  • Scala/Akka microservice template, supporting tooling and libraries. Now it’s used for 6+ services
  • Utilized AWS Lambda platform to upload data into AWS S3 buckets and to trigger other Lambda functions.
  • Developed JSPs to dynamically generate HTML5 and display the data to the client side. Java Mail API was used to notify the user of the status and completion of their project.
  • Have used AJAX to retrieve data from server synchronously in the background without interfering with the display and existing page in an interactive way.
  • Developed several REST web services which produces both XML and JSON to perform tasks, leveraged by both web and mobile applications.
  • Created database objects like Stored Procedures, Tables, Views, Sequences, Cursors, Packages and Triggers.
  • RESTful web services using Jersey for JAX-RS implementation.
  • Worked on Rest Web services as well as Node Rest framework for backend services, used Mongo DB (NoSQL) for database services.
  • Used various jQuery and Bootstrap plug-in like date picker, Bootstrap selectors.
  • Exposed and consumed SOAP based Web Services to communicate between systems.
  • GUI design and development using Java Swing, JFC Used for open source web testing.
  • Heavily used SOAP UI Pro version for testing the Web Services.
  • Developed several SOAP based JAX-WS Web Service interfaces for integrating multiple systems, code re-usability.
  • Developing scripts for build, deployment, maintenance and related tasks using Jenkins, Docker, Maven, Python and Bash
  • JBoss Application server implementation, support, workload management and performance tuning including Web server setup configuration with JBoss App Server.
  • Wrote SQL queries, stored procedures and enhanced performance by running explain plans.
  • Expertise in using Design patterns and object oriented methodologies to design software for mobile phones (mobile application).
  • Used Java Messaging Services (JMS) for reliable and asynchronous exchange of important information such as payment status report.
  • Used Log4j framework to log/track application.
  • Deployed Application instance on JBoss and WebLogic Server.
  • Developed the Web application using Spring MVC, Ext-JS, Html, JSP and JavaScript.
  • Used multithreading in programming to improve overall performance.
  • Developed various helper classes needed using multi threading .
  • Created and configured new JIRA projects and worked with departments to maintain existing JIRA projects.
  • Developed the data access classes using JDBC and SQL queries
  • Used log4j for logging and SVN for version control.
  • Brief experience on implementing the AngularJS in creating animations based on CSS classes for a new requirement surfaced for the client.
  • Used JavaScript, jQuery for user interactions in pages. Creating a responsive web application integrating Twitter Bootstrap with Angular JS and media queries.
  • Used XStream API to transfer data back and forth between Spring MVC and Ext JS.
  • Custom Node.js proxy used to simulate API responses before client implementation was complete, and to proxy requests to finished client APIs, handling authentication, custom headers, virtual application root, etc.
  • Developed Unit test cases using JUnit, Mockito and Easy mock.
  • Developed Maven scripts and developed builds using Maven and continuous integration servers like Jenkins.
  • Consumed Web Services for getting the credit card information from third party application.
  • Developed, Tested and Debugged the Java, JSP and EJB components using Eclipse RCP.
  • Written highly referenced blog posts on Error Handling in Scala and Problems Scala Fixes .
  • Oversaw all aspects of testing JUnit, FIT, and SIT, End to End, Regression, User acceptance and Performance.
  • Used Git as Version Control System for the application.
  • Use of data structures and algorithms for time and memory complexity reduction
  • Tested cases by using selenium Test.
  • Implemented all enterprise integration patterns by using Camel.
  • Used to test performance both on static and dynamic resources using JMeter.

Environment: Java, J2EE,JDK 1.6, RCP, WebLogic, AWS SDK, Ext JS, Git, Swing, JFC, Perl, Spring 4.x, Spring Boot, AWS SNS/SQS, Hibernate 4.x,Core Java, SOAP/Rest, Web Services, JavaScript, UML, Web Services, HTML5, CSS, SASS, RAD 7,WAS 8 WSDL, JIRA 5.x/6.x, JAXB, Linux, JAX-WS,JAX RPC, JMS, JSF,UNIX, AKKA, NOSQL(MongoDB), Selenium, Camel, Angular JS, BackboneJS, Scala IDE, Ilog, Drools, Micro Services, JBoss 3.0, ReactJS, AJAX, Apache JMeter, JQuery, JUnit, Maven, Oracle 10g.

Confidential, Pittsburgh, PA

Sr.Java Full stack Developer

Responsibilities:

  • J2EE deployment on WebLogic/JBOSS servers - QA & Staging
  • Troubleshooting issues that may occur during the test cycle (Functional & load test) for the J2EE applications on Struts and Spring framework running on WebLogic/JBOSS servers.
  • Developed services that are reusable and interoperable, based on SOAP, WSDL, JAXWS, JAXRPC Web services.
  • Well versed with core Java concepts like Collections, Swing, Serialization and Servlets & JSP.
  • Provided installation, configuration & maintenance of pre-prod and production Cloud environments including services such as Tomcat, Apache, Jetty, MongoDB, MySQL, and Jira.
  • Developed POJO objects and used Hibernate as the Object-Relational Mapping (ORM) tool to access the persistent data from SQL Server.
  • Hands-on writing Stored Procedures, functions, triggers, DDL, DML SQL queries. Experience in writing SQL, PL/SQL programming and SQL Loader.
  • Worked on Hibernate object relational mapping according to database schema.
  • Did load testing of SOAP Web Services using SOAP UI and Apache JMeter tools.
  • Developed a GUI to help to read the logs generated by the scripts, the logs were saved in MongoDB, the GUI was created using flask, D3, jQuery table sorter.
  • Implemented Internationalization using Spring MVC Interceptors and spring core modules.
  • Used Spring Validation framework to implement the server side validations and used Ext JS AJAX to get the data from the server asynchronously by using JSON objects.
  • Effective use of data structures and algorithms to solve complex problems, reducing time complexity and memory usage.
  • Technology leadership for the direction of the Cloud based application using PDFJS, MongoDB and MS SQL Server integrating to a proprietary framework.
  • Used JMS (Java Mailing Service) API to mail notifications upon the success or failure when the backend processes are completed and also to send mail notifications regarding any system related problems.
  • Used i log and Drools as a rules engine.
  • Developed Pl-Sql store procedures to convert the data from Oracle to MongoDB.
  • Developed user interface using JSP with JavaBeans, JSTL and Custom Tag Libraries, JS, CSS, JQuery, Node.js, HTML, SASS and Ajax to speed the application.
  • Prepared and presented UNIX production and implementation schedules to the Project Manager and client.
  • Wrote PL/SQL Queries, stored procedures, triggers and prepared statements.
  • National level complex problem-solving competition, using JAVA, Data Structures and Algorithms.
  • Built Web pages those are more user-interactive using jQuery plugins for Drag and Drop, jq Validator, AutoComplete, AJAX, JSON, Angular JS.
  • Implemented Screen Navigation using JQuery and Spring MVC.
  • Developed Business components using Java Objects, Core Java, Multithreading, Servlets, and JSP.
  • Involved in creating dynamic web site design and programming using HTML5, CSS3, JavaScript and jQuery.
  • Involved in generating JAXB classes from schema files.
  • Developed custom directives, Factories and Services in AngularJS.
  • Developed cross browser compatibility code using CSS and jQuery.
  • Tested cases by using selenium Test.
  • Involved in the configuration of Spring, Micro Services Framework and Hibernate mapping tool.
  • Implemented all enterprise integration patterns by using Camel.
  • Develop batch processes for financial reporting applications and modules using Perl and Korn shell scripts on Oracle database, with partitions and sub-partitions.
  • Developed Test classes using JUnit and Easy Mock and test coverage using EMMA plug-in.
  • Worked with Splunk to logging and analyzing defects status.

Environment: Java, J2EE, JDK 1.5, UNIX, JBoss 3.0,Spring core, MongoDB, JMeter, Swing, Hibernate, Jetty, Core java, Perl, Spring MVC, Spring Boot, AKKA, Selenium, Camel, Hibernate, SOAP/Rest Web services, Ilog,, Drools, Filenet, Ajax, XML, jQuery, Ext JS, HTML5, CSS, TC Server, Scala, Micro Services, SASS, JAX-B, SVN, Maven, Jenkins, Splunk, SFX, Splunk, Angular JS, ReactJS, Ext JS, MAX, SEED. Oracle

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