SUMMARY:

• 7+ years of experience in Java Fullstack Developer, Software Development Life Cycle, Object Oriented programming, developing and testing of Client/Server, Enterprise and Web Applications.
• Experienced in installation, configuration, management, troubleshooting and support of WebSphere, JBOSS, Tomcat, Apache Web server and BEA WebLogic application server, LDAP and mail server.
• Extensive experience in Installation, Administration, Patching, Upgrades, Configuration, Performance Monitoring, Tuning, Security, Backup, Disaster Recovery, Supporting and Troubleshooting of RHEL 4.x, 5.x, 6.x, SUSE Linux Enterprise Server (SLES) 10.x, 11i, SOLARIS 8.x, 9.x, 10.x, 11.x, CentOS 5, 6.
• Expertise in creation and administering Virtual Machines, Catalogs using VMware vCloud Director 5.0. and hands - on experience of vMotion, SVMotion and Fault tolerance.
• Expertise in DevOps, Release Engineering, Configuration Management, Cloud Infrastructure, Automation. It includes Amazon Web Services (AWS), Ant, Bitbucket, Maven, Jenkins, Chef, SVN, GitHub, NexusCVS, Tomcat, Linux etc.
• Experience in Automation, Installation and overall Configuration Management of servers using Puppet and Chef
• Experience with Requests, Pysftp, Gnupg, ReportLab, Numpy, Scipy, Matplotlib, HTTPLib2, Urllib2, Beautiful Soup and Pandas python libraries during development lifecycle.
• Proficient in Core Java, Enterprise technologies such as EJB, Spring Framework, JMS, JTA, Hibernate, Java WebService, SOAP, REST Services, Java Thread, Java Socket, Java Servlet, JSP, JDBC, Core Java etc.
• Involved in CICD process using GIT, Nexus, Jenkins job creation, Maven build Create docker image and deployment in AWS environment
• Experience in developing web-based applications using Python 2.7/3.0, Django 1.7/1.8, PHP, Angular JS, C++, XML, CSS, HTML, JavaScript and JQuery
• Expertise in understanding and hands-on using various extensible Markup Languages (XML) technologies like XPath, XQuery, XSLT, XSD, SAX, DOM and JAXB.
• Expertise in Core Java concepts - Collection framework, Exception handling, IO, latest Java features, Serialization, Multi-Threading, Concurrency etc.
• Strong experience in building web application using various Spring Framework features like Spring IOC, Spring MVC, Spring AOP, Spring Batch, Spring Boot and Spring Security
• Proficiency in Integrated Development Environments; Eclipse, JDeveloper, & NetBeans with good insight of the following protocols; HTTPS, TCP/IP, FTP, & SOAP.
• Experience in IT Industry with proficiency in Design & Development of Python, Django, flask projects.
• Experience in implementing Micro Services with Spring Boot Applications.
• Experienced best practices for integrating microservices into an existing system architecture.
• Experience with Apache Kafka and JMS both Synchronous and Asynchronous messaging.
• Extensively worked on implementing SOA (Service Oriented Architecture) using XML Web services (SOAP 1.2, WSDL 2.0, UDDI 3.0.2, JAX-RS 2.0, XML Parsers and JAXB 2.0 annotation for marshalling and un marshalling) and web API design model like RESTful Web Services and Orchestration (ESB like Mule 3.4, Apache Camel 2.12).
• Experience in developing Message Driven and Session beans for claimant information integration with MQ based JMS queues.
• Expertise in developing and using the messaging infrastructure for the application using message servers like ActiveMQ 5.8.0 and Pivotal RabbitMQ 3.4.4.
• Experience in deployment of applications on JBoss Application Server 7.0, IBM WebSphere Application Server 8.5, Oracle WebLogic Application Server 12.1.3 and Apache Tomcat Webserver 8.0.20.
• Extensive experience in Amazon Web Services(Amazon EC2, Amazon S3, Amazon Simple DB, Amazon RDS, Amazon Elastic Load Balancing, Amazon SQS, AWS Identity and access management, AWS Cloud Watch, Amazon EBS and Amazon Cloud Front).
• Have extensively used Java 8 Streams, Lambdas and filters to process Order data.
• Hands on experience in installing, configuring and using echo system components like Hadoop, MapReduce, HDFS, Hbase, Zoo keeper, Hive, Sqoop and Pig .
• Followed Waterfall, Agile methodologies like Test Driven Development (TDD), SCRUM, and Pair Programming.
• Experience in working with AWS (Amazon Web Services), EC2, RDS, Dynamo DB, S3, Cloud Formation Templates. Experience in developing modern, complex, responsive and scalable web applications with Angular
• Experience in defining CAMEL content based switches for flow deviation
• Expertise in design and development of web applications using JSP, JavaScript, HTML5, CSS3, JQUERY, AJAX, JSON, DOJO, XSL, XSLT, Node.JS, Angular.JS, Backbone.JS, require.js, bootstrap, ExtJS and single page applications (SPA) by using JavaScript MVC framework, Angular JS.
• Possess work experience with middleware technologies like MQ-Series, Oracle Fusion (BPEL and OSB), Apache CAMEL.
• Used Node Package Manager (NPM) to manage or install the Node-JS modules like Webpack, Grunt, Gulp, Browersify, Express, underscore.js, require.js, crypto.js, mongoose, and mongo.js.
• Extensively used CouchDB Database and wrote CouchDB views for the applications data
• Proficient in Responsive Design Layout applications using Bootstrap supporting multitude of browsers and devices.
• Expertise in creating User Controls, Web Forms and client side validations using JavaScript, jQuery Validate and Angular-JS. Experienced in using Backbone-JS to connect the API's which enforces the communication to the server.
• Working Experience in C, C++, AKKA, Play and SCALA along with JNI usage.
• Experience in building MEAN applications using MongoDB, Express.JS, Angular-JS, Node-JS, creating RESTful Web services with Node-JS, Express-JS and installing client side dependencies using Bower.
• Knowledge of developing single page web applications by using Angular with typescript/ ES and jQuery and working knowledge on HTTP access control CORS to enable cross-origin resource sharing in the project. Proficient in using higher level style syntaxes, LESS and SASS for writing CSS styles
• Experienced in testing Angular, Angular 2 applications using Jasmine, Mocha, Karma, and Angular Test Bed.
• Experienced in React-JS and working with React flux architecture, Redux architecture using complex Object Oriented concepts in improving the performance of the websites.
• Expertise in using J2EE technologies like JSP, Servlets, EJB, JDBC, Java Beans, JMS, RMI JNDI, XML and Web services (RESTful and SOAP).
• Strong knowledge on Hibernate and in using Hibernate Connection Pooling, HQL, Collections, Hibernate Caching, Hibernate Transactions.
• Extensive experience using spring framework and ORM mapping tools like Hibernate and IBatis, which implements Java Persistence API (JPA).
• Good experience in Object Oriented Analysis & Design (OOAD) using different design methodologies/ process frameworks like SDLC and tools like UML, Rational Rose.
• Experience in using frameworks and tools like Struts, Hibernate, spring, JUNIT, LOG 4J and JSF framework. Developed applications using Spring boot and with various modules in Spring framework like core, data, web, AOP.
• Extensive Experience in using various design patterns such as MVC (Model -View-Controller), Singleton, Session Façade, Factory, DAO, Front Controller, and Business Delegate in the development of Multi-Tier distributed Enterprise Applications.
• Experience in developing PL/SQL, Stored Procedures, functions, triggers using Oracle and comfortable working with databases like SQL Server, Cassandra, DB2, No-SQL and MySQL.
• Used W3C Validator for testing and worked on Unit testing with Karma and Jasmine.
• Experience with unit test using Junit and familiar with tools like Selenium and Mockito.
• Experienced in RDBMS Design, DB normalization, ER modelling, SQL, PL/SQL, procedures, cursors, functions, triggers, and goodUnderstanding in creating SQL and HQL Queries in Oracle, MySQL, DB2.
• Hands on Experience with version control tools like CSV, SVN and GIT.
• Experience in developing both SOAP and REST based web services using Jersey, Spring and CXF. Extensive experience in JSON, JAXB, JAXP and hands on experience creating Web Services based on REST framework.
• Expertise in developing SOA (Service Oriented Architecture), REST and J2EE Web Services based on SOAP, BPM, WSDL, UDDI, JAX-WS, JAXB, JAX-RPC using tools like Apache Axis and Developed RESTFUL web services using Spring MVC.
• Experiences with build tools include Maven, Gradle and Jenkins. IDE tools like WSAD, Visual studio, Eclipse, Spring STS, and Borland JBuilder and Oracle Jdeveloper. Experience in using Quartz scheduler to create a jobs scheduling in many java applications.
• Expertise in deploying Enterprise Java Beans and J2EE Applications (WAR, JAR and EAR) on BEA WebLogic, JBOSS and Tomcat application servers.
• Working with multiple project teams as well as being responsible for WebSphere Administration, configuration, load balancing, performance tuning, Disaster Recovery and High Availability
• Experiencing in using Continuous delivery / Continuous Integration (CD/CI) tools Docker, Jenkins to deploy this application to AWS and used GIT for Version Control of code for incremental development.
• Used Log4J for extensible logging, debugging and error tracing also Worked on Junit, Mockito for unit /integration testing of application components also involved in developing Test plans, Test Cases (Manual/Automated), Test Procedures.

PROFESSIONAL EXPERIENCE:

Java/Python Full Stack Developer

Confidential - Durham, NC

Responsibilities:

• Followed Agile methodology and involved in daily SCRUM meetings, sprint planning, showcases and retrospective and used JIRA as a tracking tool for the sprints
• Responsible for creating front end applications, user interactive (UI) web pages using web technologies like HTML5, XHTML, CSS3, JavaScript, JQuery, AJAX, JSON, AngularJS and Bootstrap.
• Replicates and documents software defects using bug tracking tools and reports defects involving program functionality, output, online screen and content to development team using Rally Agile Management tool.
• Worked on end to end testing using Selenium Web Driver/IDE/Grid, TestNG and web services like SOAP UI.
• Developed Angular controllers, services, filters and developed HTML templates with various Angular directives such as ng-app, ng-controller, ng-repeat, ng-if,ng-show, ng-hide,ng-change, ng-blur etc..
• Used various Angular UI Bootstrap components such as calendars, masks, uploaders, sliders, alerts, modal dialogs etc.for developing the UI.
• Involved in designing and deploying multitude applications utilizing almost all of the AWS stack(Including EC2, Route53, S3, RDS, Dynamo DB, SNS, SQS, IAM) focusing on high-availability, fault tolerance, and auto-scaling in AWSCloudFormation.
• Our DevOps solution includes the functions of build, deploy, automation test control, generating reports and notification services with an end goal of continuous integration in a data center and Cloud (AWS environment).
• Used MySQL and Elasti cache to perform basic database administration. Build out server automation with Continuous Integration - Continuous Deployment tools like Jenkins & Maven for deployment and build management system.
• Built data platforms, pipelines, and storage systems using the Apache Kafka, Apache Storm.
• Implemented the Apache kafka producer and consumer to capture/log events related to micro services in to Oracle DB using Hibernate framework.
• Configure Weblogic application cluster server (JMS, JNDI, JDBC) in Development environment to provide increased scalability, reliability and load balancing.
• Configure and implement JMS distributed topic and queues with Unit of Order(UOO) and Unit of Work (UOW). Configuring of Virtual Private Cloud (VPC) with networking of subnets containing servers.
• Built S3 buckets and managed policies for S3 buckets and used S3 bucket and Glacier for storage and backup on AWS.
• Performed importing data from various sources to the Cassandra cluster using Java APIs and Sqoop.
• Developed a fully automated continuous integration system using Git, Gerrit, Jenkins, MySQL and custom tools developed in Python and Bash
• Used Atlassian Jira tool for the development of Agile-lifecycle management creating the stories, updating the tasks and reporting the bugs.
• Used Spring framework 4.1.5 Dependency Injection where objects define their dependencies, that is, the other objects they work with, only through constructor arguments (or) arguments to a factory method (or) properties of an instance to define the application.xml file for the startup of every module of the Amber project.
• Used a microservice architecture, with Spring Boot based services interacting through a combination of REST and MQ or Apache Kafka message brokers and leveraging AWS to build, test and deploy Identity microservices.
• Configured Gulp to perform various UI build and test related tasks and used NodeJS NPM and Bower to manage the dependencies.
• Developed Angular services making use of resource service to perform REST API calls to the backend.
• Developed unit test cases using Jasmine and Karma and performed end to end tesing using Protractor and Selenium
• Developed REST controllers using Spring Data REST to serve the UI with required JSON data.
• Used complete annotation driven approach to develop the application using Spring Boot and was also involved in setting up the Spring bean profiling.
• Used REST Client and POSTMAN to test the rest based services and used Junit and Mockito to test the middleware services.
• Worked with Middleware using Message driven by POJO (MDP) after creating QCF, Queue on WebSphere server, and using JMS template for asynchronous functionality for multiple users.
• Used Node.js to run Grunt tasks and build properly the project (compile, minify, concat etc.) and Implement modules into Node JS to integrate with designs and requirements. Used GruntJS, BowerJS, Express from NodeJS.
• Involved in enhancing existing MEAN (MongoDB, Express, Angular and Node) stack applications and provided the required support.
• Made the integration of data in several applications in favor JSON documents with dynamic schemas using MongoDB (NOSQL) database.
• Used GIT as version control system, to keep track of all the work & all changes, allowing several developers to collaborate and used Maven as build and configuration tool and Jenkins for continuous integration tool.
• Developed various helper classes needed following Core Java multi-threaded programming and Collection classes.
• Involved in configuration and usage of Apache Log4J for logging and debugging purposes. Used RAD as IDE tool to develop the application.
• Prepared Documentation for Unit Test Plan and Unit Test Results for the QA purpose. Participated in the release night shakeouts/overnight deliveries and QA Support.
• Worked on Solr, ElasticSearch, Kafka, Flume, MongoDB, Cassendra and RabbitMQ
• Generating Scala, Play Framework and java classes from the respective APIs so that they can be incorporated in the overall application.
• Writing entities in Scala, Play Framework and Java along with named queries to interact with database.
• Implemented advanced procedures like text analytics and processing using the in-memory computing capabilities like Apache Spark written in Scala.
• Managed Amazon Web Services like EC2, S3 bucket, ELB, Auto-Scaling, SNS, SQS, AMI, IAM, Dynamo DB, Elastic search, Virtual Private Cloud (VPC) through AWS Console and API Integration.
• Extensively used Linux, UNIX system administration tools to create servers and deploy and run applications in development stage.
• Configured the xml files for Hibernate 3 and applied its Object Relational Mapping ORM to enable the data transactions between POJO and Oracle Database using caching on Session Factory as well as caching on query.
• Configured the xml files for Spring Security injection to ensure the back-end security by discriminating the role of users as well as access authority for the URIs and Server side assets.
• Built S3 buckets and managed policies for S3 buckets and used S3 bucket and Glacier for storage and backup on AWS.
• Configured an AWS Virtual Private Cloud (VPC) and Data Base subnet group for isolation of resources within AWS RDS.
• Design, develop, support, educate, and train on frameworks and technologies including Cloud, Camunda BPMN, Microservices, Docker, Kubernetes, CI/CD, application servers, logging, messaging, and much more.
• Developed a fully automated continuous integration system using Git, Jenkins, MySQL and custom tools developed in Python and Bash
• Developed application using Eclipse IDE using most of the Core and Advance Java concepts.
• Providing support & development of web based applications and TCP/IP socket applications in UNIX, using PHP, C, Perl, JavaScript, Oracle, MS SQL, t-sql, Pl/SQL, openSSL.
• Dockerlize application by set Docker file, Docker Compose plugin.
• Developed Cloud Compatible Micro-Services using Spring Boot, Java and related web technologies.
• Design, develop, support, educate, and train on frameworks and technologies including Cloud, Camunda BPMN, Microservices, Docker, Kubernetes, CI/CD, application servers, logging, messaging, and much more.
• Used ANT as a build tools on java projects for the development of build artifacts on the source code.
• Manage AWSEC2 instances utilizing Auto Scaling, Elastic Load Balancing and Glacier for our QA and UAT environments as well as infrastructure servers for SVN and Chef.
• Developed a fully automated continuous integration system using Git, Jenkins, MySQL and custom tools developed in Python and Bash
• Developed application using Eclipse IDE using most of the Core and Advance Java concepts.
• Providing support & development of web based applications and TCP/IP socket applications in UNIX, using PHP, C, Perl, JavaScript, Oracle, MS SQL, t-sql, Pl/SQL, openSSL.
• Dockerlize application by set Docker file, Docker Compose plugin.
• Developed Cloud Compatible Micro-Services using Spring Boot, Java and related web technologies.
• Developed Spring middleware components for implementing business logic and Implemented SOA based architecture using web services to build a loosely coupled system.
• Designed and developed Business components and Integrated with Spring framework and developed various reusable Helper and Utility classes, which are used across all the modules of the application.
• Implemented the annotations to support the APIs for Audit Logging purposes by making configurations in the properties file which routes the logs to RabbitMQ server.
• Developed Spring middleware components for implementing business logic and Implemented SOA based architecture using web services to build a loosely coupled system.
• Designed and developed Business components and Integrated with Spring framework and developed various reusable Helper and Utility classes, which are used across all the modules of the application.
• Implemented the annotations to support the APIs for Audit Logging purposes by making configurations in the properties file which routes the logs to RabbitMQ server.

Java/Python Full Stack Developer

Confidential - Phoenix, AZ

Responsibilities:

• Designed and developed the application in sprints using Agile Scrum methodology and participated in weekly status meetings and daily scrums.
• Involved in Solr installation, configuration, indexing etc.,
• Importing the database contents and index into Solr through Data Import Handler (DIH).
• Performance tuning Document routing configuration, Security configuration using Solr functional query.
• Developed Solr update service for real-time indexing which includes real time add, update and delete
• Developed Agent Portal with HTML, CSS, LESS, JSON, AJAX and AngularJS for developing user interface and server side technology with Node JS.
• Indexed data in Elastic search using the river plugin. Queried data using the elasticsearch API's
• Used CXF to implement Restful Web Services to support both web and mobile sides.
• Involved in performance tuning of the application to meet non-functional requirements
• Implemented Web Socket in web browsers or web servers for client or server application.
• Designed and implemented application using JSP, Spring MVC, JNDI, Spring IOC, Spring Annotations, Spring AOP, Spring Transactions, Hibernate 3.0, SQL, Maven, JMS, Oracle and jBoss.
• Responsible for packaging and deploying components in to the Tomcat Server.
• Developed applications using Velocity framework, JSP, JSTL, struts tag libraries (struts-bean, struts-html, struts-logic), CSS, spring framework, java, java script, Ajax, HTML and DHTML for front-end development.
• Developed Microservices and worked on Dockers, Spring Boot, deployed applications on Pivotal Cloud Foundry.
• Implemented microservices using Spring boot, spring based microservices, and enable discovery using Netflix eureka server.
• Provide training to junior java developer on agile programing.
• Designed and developed application using Agile methodology. High ability to work on SOA, Agile and Waterfall projects.
• Wrote Perl programs to archive the log files on daily basis to enable faster troubleshooting.
• Solid understanding of Hadoop Distributed File System.
• In-depth understanding on how MapReduce works and Hadoop infrastructure.
• Installed/Configured/Maintained Apache Hadoop clusters for application development and Hadooptools, including: Hive, Pig, HBase, Zookeeper and Sqoop.
• Wrote the shell scripts to monitor the health check of Hadoop daemon services and respond accordingly to any warning or failure conditions.
• Developed the Spring Features like Spring MVC, Spring Boot, Spring Security.
• Used Spring Boot which is radically faster in building cloud Microservices and develop Spring based application with very less configuration.
• First-hand the best/worst practices for integrating Microservices into existing system architecture.
• Developed Restful Micro services using Spring Rest and MVC.
• Adapt in server side development skills using Apache and good knowledge of database connectivity (Data Source) for databases like Oracle, MySQL, and NoSQL like Mongo DB.
• Implemented Design Patterns like MVC, Session Facade and Data Transfer Objects in Oracle ATG
• Expertise in implementation of MVC using frameworks such as ATG Commerce, Spring, Struts and JSF.
• Developed Complex database objects like Stored Procedures, Functions, Packages and Triggers using SQL and PL/SQL, NoSql.
• Consumed REST based Microservices with Rest template based on RESTful APIs.
• Working knowledge in Junit and Maven for testing, building and logging information.
• Used Ajax calls extensively - using Jquery, inside the WebApps and create a seamless flow of Quotes.
• Developing the Microservices using Spring Boot that create, update, delete and get the assignment information from backend.
• Experienced in the functional usage and deployment of web applications in Apache Tomcat and JBoss.
• Involved in development, design and implementation front end part of the widget based application using HTML5, CSS3, jQuery, JavaScript, AJAX, JSON, Angular.js, Node.Js Bootstrap.
• Used CSS media queries and bootstrap to support for Responsive development.
• Used jQuery plugins autocomplete, validation, drag and drop and more exceptionally.
• Developed a dynamic and secure front-end that consumes our API using Angular.js.
• Involved in implementation of MVC pattern using Angular JS, Node.Js, JSF and Spring Controller.
• Implemented request and response objects using SOAP web services and created routes using Apache Camel.
• Web Interface is designed using J2EE, XML/SOAP, WSDL, Web Services, JDBC and EJB.
• Widely used AngularJS UI-bootstrap components like calendar picker, time picker, directives, select2, model pop-ups, ng-grid, UI-router, progress bar, ng-Idle, ng-Upload and tested them using Protractor.
• Refactored existing mobile web code with AngularJS to improve maintainability and make the web application more modular.
• Built Single page application (SPA) using AngularJS as per the requirement and implemented all the front-end components using Spring MVC.
• Used AngularJS (grid) for Grid data displays all over the application and also developed Light-box plugins using AngularJS.
• Wrote test cases, created specs, page objects and undergone End-to-End testing for whole application using Protractor for AngularJS on Node.js command line.
• Developed REST API for assessment indicators module and token based authentication for REST services using Spring Security.
• Worked on Asset Management Module to develop services using Restful Web services and collaborated on design spec reviews together with Business Analysts.
• Implemented Spring services and Spring DAO's for controller interactions to operate on data and developed asynchronous message listeners using Spring JMS template.
• Designed and developed Business components and Integrated with Spring framework and also developed various reusable Helper and Utility classes, which are used across all the modules of the application.
• Developed Spring Batch application for batch processing using Spring4.0 and improved the performance of the backend batch processes using Multithreading and concurrent package API.
• Worked with advanced MVC framework such as Spring-IOC, AOP, MVC and Batch which is used for implementing backend functionality.

Java/J2EE Consultant

Confidential - Austin, TX

Responsibilities:

• Participating in user requirement sessions to gather business requirements
• Involved in Analysis, Design, Development, Integration and Testing of application modules
• Designed and developed Class diagrams and sequence diagrams using Unified Modeling Language (UML)
• Used Eclipse 3.2 IDE for coding, debugging and testing the application modules
• Developed presentation layer for the application modules using Adobe Flex and Action Script controls
• Developed Styles, Skinning, Charts using Flex controls
• Implemented data push using BlazeDS, Remote Object, Web Service components
• Used Java Script libraries for developing the Java Script Programs
• Designed the Cascaded Style Sheets for designing the styles, skinning and layouts
• Involved in designing the page layouts using Wire Frames templates
• Implemented AJAX base applications using DOJO and GWT API for Performance oriented and browser Independent application
• Developed various Action classes and Form bean classes using Struts framework
• Implemented Event Manager, e-Distribution Admin modules using Struts-Spring-Hibernate
• Used Object/Relational mapping tool Hibernate to achieve object to database table persistency
• Written Hibernate POJO Classes, Hibernate Configuration file and Hibernate Mapping files
• Implemented Batch Updates using Spring and configured beans in Application Context file
• Used the features of Spring Core layer (IOC), Spring AOP, Spring ORM layer and Spring DAO support layer in order to develop the application
• Involved in the configuration of Struts Framework, Spring Framework and Hibernate mapping tool Developed the Servlets for invoking the remote notifications
• Worked on Java Messaging Services (JMS) for developing messaging services
• Implemented different types of messaging prototypes using JMS
• Implemented service oriented architecture (SOA) using Apache Axis, SOAP, WSDL, UDDI
• Used SOAP UI for testing the SOAP input and output messages
• Involved in configuring hibernate to access database and retrieve data from the database
• Used Oracle 10g as the backend database storage
• Created data base tables according to the application requirement
• Developed stored procedures and triggers with PL/SQL
• Implemented the application using Agile development methodology
• Developed Maven and ANT Scripts to do compilation, packaging and deployment in JBoss server
• Used Remedy tool for creating change tickets and handling production bugs