SUMMARY

• Over 7+ years of experience working on JAVA/J2EE applications including UI templating and designing with HTML and Javascript frameworks. Well knowledge on professional tech stack and Software Development Life Cycle methodologies that includes development, system testing, maintenance and deployments.
• Expertise in working with JAVA8 features like Functional Interfaces, Lambda functions, Stream API, Time API, Transaction Management, Exception Handling, Collection API.
• Experience in developing User Interface with different technologies like HTML5, CSS3, JavaScript. Developed applications with AJAX for handling asynchronous calls that follows W3C Web standards.
• Knowledgeable intest automation,test frameworks, and testing tools.
• Good understanding of Javascript ES - 6 arrow functions, Object destructuring, block-scoped constructs, template literals, promises, multi-line strings and ES-7 async functions, Observables, Object Rest/Spread Properties.
• Experience in using various ORM’s for mapping objects to Databases like Hibernate ORM, Mongoose ORM. Proficient in using Spring JTA (java Transaction API) for transaction management to deal with more than one database, Spring Batch for automated complex processing of large volumes of information.
• Expertise in using Hibernate ORM, Ibatis for implementing persistence context using JPA (Java persistence API) which is a first level cache. Implemented flushing for batch process in Hibernate. In Hibernate implemented second level cache using EH cache, OS cache, Swarm cache, JBoss cache.
• Expertise in implementing Spring JTA for transaction management and Spring JDBC to interact with Databases.
• Strong experience in working with Relational databases like Oracle, MySQL, Microsoft SQL Server, PostgreSQL, IBM DB2 etc and NoSQL databases like MongoDB, CouchDB, GemFire, Redis, HBase etc.
• Proficient in implementation of spring frameworks like Spring MVC, Spring IOC/DI, Spring REST, Spring AOP, Spring Transaction Management, Spring Data, Spring DAO, Spring Batch.
• Good knowledge of configuration management in Spring cloud using Zookeeper. Expertise in using Spring Cloud-Netflix OSS stack for micro services deployment and auto configurations like Ribbon for client-side Load balancing.
• Great knowledge of writing PL/SQL scripts for executing more than one query Confidential a time. Proficient in creating views for tables, writing stored procedures, writing Triggers.
• Experience in using Mongoose connectors for mapping pure javascript objects to the MongoDB. Great understanding of Apache Cassandra driver for Node Js for Parallel Execution, request pipelining.
• Good knowledge of implementing MVC architecture on client side using AngularJS, React with redux, React with flux, Backbone JS, Ext JS, knockout JS.
• Expertise in working with Hapi.JS to build reusable application logic by avoiding spending time on building infrastructure.
• Expertise in Developing applications using node JS Socket.io programming for persistence connection from client to the server.
• Hands-on experience working with nodeJS platform and using NPM for library management and BOWER for dependency management.
• Experience in using javascript testing frameworks like Karma, Jasmine, Protractor for Angular 2.0/4.0/11.0 and Mocha and chai for React Js and Node JS.
• Experience in developing using RESTful Web services using JAX-RS API and Jersey framework. Developed Restful services with JAX-RS with Spring REST.
• Experience in SOAP using JAX-WS API ad Apache CXF framework and automated the documentation using Swagger and WSDL.
• Experience in developing various Web applications using Monolithic architecture using the technologies like Servlets, JSP, Structs, JSF, Spring I/O, Spring REST, Spring Security.
• Experience in configuring and deploying applications on different application servers like ApacheTomcat, Weblogic, IBM WebSphere, JBoss and web servers like Apache HTTP Server, Nginx, Caddy etc.
• Good knowledge of Working on cloud Amazon Web Services (Amazon EC2, Amazon S3, Amazon simple DB, Amazon Elastic Load Balancing, Amazon SQS, Amazon EBS and Amazon cloud front)
• Expertise knowledge of creating instances using Amazon EC2 and using lambda server less programming. Proficient in using Aws Elastic Beanstalk for handling capacity provisioning and monitoring application health.
• Experience in configuring and setting up Microsoft Azure Hybrid connection to pull data from SAP systems. Proficient in creating solutions Architecture based upon Microsoft Azure PaaS service.
• Strong working knowledge on deploying the pivotal cloud foundry to deploy PAAS (Platform as a service), IAAS (Infrastructure as a service) and to run own applications.
• Experience in Docker Container to address every application across the hybrid cloud and Docker for better collaboration and innovation.
• Deployed the Zero Down Deployment using Kubernetes orchestration service application. Automated the deployment process by integrating code repository using build pipe line Jenkins, Bamboo and GoCD for continuous deployment.
• Expertise in using Hystirix (circuit breaker) library for lowering network latency and fault tolerance and Zuul gateway for routing, monitoring, security. Implemented the new message retry mechanism using Kafka in the event of downstream systems. Also implemented Kafka to act as a broker between the consumer and the producer.
• Hands on experience in publisher and subscriber model with queues (JMS with active MQS, IBMQ). Implemented a metrics collection mechanism for the server by utilizing Apache Kafka to stream server-side events.
• Experience in using kibana and splunk for dashboard for log data and creating charts for analysis. Proficient in implementing ELK (elastic search, Logstash, kibana) for searching and server-side data processing pipeline to ingest data from multiple sources simultaneously.
• Great experience of working with authorization and authentication of web services using OIDC (Open ID Connect) on top of OAuth 2.0, site minder (for pol based authentication and single-sign on) and JWT (JSON web tokens to securely transmit information between parties as a JSON object)
• Experience in using automation build tools like Bamboo, Jenkins, GoCD Confidential server level and Maven, ANT, Gradle Confidential development level (local).
• Good experience with automated Java based logging frameworks like log4J, sl4J, log-common.
• Strong Experience in working with JAVA based testing frameworks like JUint, Selenium, TestNG, Mockito, Spock, Cucumber, Powermock, MockMvc, etc.
• Experience in working with various version controlling tools like Git, SVN, Bitbuckets, TFS, CVS and different Project management tools like JIRA, Rally, Microsoft Project.

TECHNICAL SKILLS

Programming Languages: C, C++, Java, PL/SQL

JavaScript Frameworks: Angular JS, Angular 2+, jQuery, Node.js, Backbone.js, React.js, Express.js, Ember.js, Handlebars.JS

Java/J2EE Technologies: Servlets, Spring, EJB, JPA, JTA, JDBC, JSP, Thymeleaf, JSTL, Java 1.8,ISAM

Frameworks: Struts 2.0/1.0, Hibernate 4.x/3.x, Spring 3.0, Spring Batch, Spring Security, Spring AOP, Spring Core, JSF, iBATIS, Spring IOC

Web Technologies: HTML, HTML5, CSS/CSS3, AJAX, jQuery, Bootstrap, XML, Grunt, Gulp, JSON.

Database: SQL Server, MySQL, Oracle, Mongo DB, DB2

Cloud Technologies: Amazon EC2, S3, simple DB, Elastic Load Balancing, SQS, EBS, cloud front, EKS and PCF.

Web Services: XSD, WSDL, Apache Axis, SOAP, Restful, GraphQL, JAX RS, JAX WS

Messaging: JMS (Java Message Service), IBM MQ, Apache Active MQ, Apache Kafka

Web Servers: Oracle WebLogic 10.x/9.x, IBM WebSphere 8.x/6.x, Apache Tomcat 8.0/7.x/6.x

Application Servers: ApacheTomcat, WebLogic, IBM WebSphere, JBoss

Methodologies: Agile, Waterfall, OOAD, SCRUM

Testing Tools: JUnit, Mockito, Jasmine, Karma, Mocha, Chai, Selenium

Version Control: SVN, CVS, GIT,GITLAB

Build Tools: Maven, Gradle, ANT

IDEs: Eclipse IDE, RAD 6.0/7.0, Intellij IDEA, Spring Tool Suite (STS)

Operating Systems: Windows, Linux and UNIX

Software: Visual Studio, Rational Rose and Microsoft Office

PROFESSIONAL EXPERIENCE

Confidential, Plano

Java Full Stack Developer

Responsibilities:

• Designing Solutions in Microsoft Azure as per project specifications and needs
• Work with clients to ensure smooth and successful implementation, delivery and deployment of complex solutions
• Worked in Agile Methodology (SCRUM) Test driven development.
• Worked with NOSql databases like MongoDB.
• Used Spring core annotations for Spring dependency injection, Spring MVC for Rest API’s.
• Deployed applications into Continuous Integration environments like Jenkins for integration and deployment of code on CI environments for development testing.
• Used JIRA ticketing tool for issue/bug tracking and monitoring of work assignments.
• Analyzed and designed a scalable system based on Object Oriented Concepts, and the various J2EE
• Responsible for the overall layout design and prototype using React JS with Redux library, jQuery UI,and CSS/Less and HTML5.
• Implemented Spring Boot to create a CRUD back-end for our React-frontend application. design patterns.
• Work with clients to ensure smooth and successful implementation, delivery and deployment of complex solutions
• Ability to analyze systems and identify problems migrating to Azure cloud
• Configure and manage customer AWS / Azure cloud environment
• Used both Eclipse IDE and IntelliJ IDE for application development.
• Delivered simple compile time
• Used JUnit framework for unit testing of application and Log4j to capture the log that includes runtime exceptions.
• Involved in performing Unit and Integration Testing in Selenium.
• Responsible for deploying the application into the UAT environment.

Environment: Java, React, HTML, CSS3, Spring Boot, Maven, Micronaut frameworks, Kotlin, Postgres, Microsoft Azure, MongoDB, Restful Web Services, JIRA, Jenkins, Grafana, Kibana, Eclipse, IntelliJ, Bitbucket, Git, Kafka JUnit.

Confidential, Irving, TX

Java Full Stack Developer

Responsibilities:

• Designed and developed the ETL(Extraction Transformation and Loading) solution using the request module and the Oauth 2.0 protocol in node JS.
• Extensively utilised the methods available in async library like async.parallel(), async.waterfall(), async.whilst(), async.eachof() etc to make the Oracle database transactions.
• Developed the functionalities under Agile Methodology, JIRA processes and used JIRA for task assignment, bug tracking and fixture.
• Used rxjs 6 of Angular 6 with the new methods and the new importing style according to the package structure change in Angular 6.
• Experience in developing various Web applications using Monolithic architecture using the technologies like Servlets, JSP, Structs, JSF, Spring I/O, Spring REST, Spring Security.
• Integrated third party grids into the Angular app like ag-grid, handsontable etc .
• Developed several reusable custom elements using the Angular elements available in Angular 6.
• Expertise in implementing Angular 5 concepts like Angular-animate, Angular-cookies, Angular-Filter, Angular-Mocks, Angular-sanitize.
• Expertise in developing apps using Angular 6 custom elements (Angular Elements), rxjs 6 new pipe() operator and Angular CLI 6 commands ng update, ng add.
• Managed the Angular state using rxjs powered state management solution NGRX.
• Extensively utilized the Observables to handle the asynchronous events in the application.
• Utilized the oracledb module in node js to connect, make database CRUD operations, execute oracle database package functions and stored procedures.
• Unit testing is done using the jasmine for the code written using the Angular framework.
• Created the server in node js using the Express middleware.
• Implemented ES6 promises and ES7 async await for various database and third party API calls.
• Implement the web application using Full Stack technologies (Oracle DB, Express, Angular 6, Node.js) along with HTML5, CSS3, JavaScript, jQuery, Bootstrap and other web technologies.
• Designed database schemas and Created various triggers, cursors, Oracle sequences, Oracle PL/SQL packages in the Oracle database.
• Developed a custom logging microservice using the technologies Angular 6, Node js and Oracle DB which can be Integrated into the existing application modules to log all the actions performed on the files like Approve, Cancel, Export etc.
• Utilised node-jsonwebtoken module to digitally sign and verify the tokens for API authentication mechanism.
• Utilized job scheduler Appworx to schedule the calls to third party API and oracle database function, stored procedure calls.
• Implemented the automatic documentation for the API using the Swagger an OpenAPI specification.
• Utilized the Nginx server feature reverse proxying to direct certain requests to the module running on a different APPService instance.
• Created Azure Application Insights for track user activities and geographical count on users logged in to application. Utilized OpenTelemetry to customize user information and dashboard display in Application Insights. Created alerts for specific log messages in APPInsights.
• Configured Office 365 in azure to send email notifications for any alerts configured.
• Worked with Apigee gateway to Handle the Authentication and Authorization for the microservices before the requests reaches APIs.
• Followed TDD with the help of cucumber testing framework to test the APIs developed in nodejs using the Gherkin language, Mocha, Expect library.
• Used Continuous delivery / Continuous Integration (CD/CI) tool Jenkins to build the project upon passing the test cases written using cucumber.
• Deployed the application from jenkins to the Nginx running on AppService instance using the SSH protocol and rsync utility.
• Used GITLAB for Version Control to maintain merge request policy with different branch for different environments
• Utilized the static content delivery and caching features of Apigee gateway.
• Hands-on experience working with Terraform scripts and using Azure resource modules. Automated app Service scaling options using Terraform scripts for azure app services.
• Created Azure Cloud Front url, WAF server for app services and configured Azure Traffic Managers to multiple instances of app services.
• Used Splunk for automated logging of error messages.

Environment: HTML5, CSS, Angular 6, NodeJS, ExpressJS, JWT, OAuth 2.0, JIRA, GITLAB, Jenkins, HTTP/HTTPS, Firebug, Jasmine, Mocha, Cucumber, postman, Splunk, swagger API, Agile Methodology, Oracle, PL/SQL, ETL, Nginx, Apigee Gateway, Microsoft Azure.

Confidential, San Francisco, California

Java Full Stack Developer

Responsibilities:

• Developed a set of the application functionality using CRUD (Create, read, update, delete) features of backbone.js.
• Extensively used CSS and Bootstrap for styling the HTML elements.
• Developed dynamic web pages using HTML5, CSS3, Bootstrap, Less, CSS3(SASS) and AJAX.
• Used JQuery for view rendering of the web pages.
• Implemented second level cache using Oracle Coherence for IBatis.
• Worked extensively with persistence context (JPA) implemented by IBatis.
• Designed, configured and deployed Amazon Web Services (AWS) for a multitude of applications utilizing the AWS stack (Including EC2, S3).
• Integrated App Dynamics APM with AWS services and monitored the EC2 instances health on APP Dynamics.
• Gulp used for modification of JavaScript files and for monitoring the application.
• Developed SOAP services with JAX-WS using Apache CXF framework with data representation in XML format.
• Worked with creating WSDL Documentation to act as a agreement between producer and consumer of the Web service.
• Used backbone.js to create Controllers to handle events triggered by clients. Used backbone.js to bind event handlers using listenTo().
• Used backbone.js as Model, Widgets as Controller and jQuery template as View.
• Developed RESTful Services and Web Service Clients (JAX-RS or JAX-WS) using jersey framework with data representation in different formats such as XML and JSON.
• Participated in front end development using JSF 2.0, JavaScript, HTML 5, CSS 3.0.
• Involved in migrating code from SOAP to RESTful services.
• Written IBatis Criteria queries for data retrievals and have performed the ORM mappings to map java entities to database tables.
• Written Mokitotest scripts to automate the unit testing process
• Worked with Jenkins for Continuous Integration and Continuous Deployment (CI/CD).
• Worked on Docker. Creating docker images and configurations using Dockerfile, worked with docker cli to build, pull and push images to Docker registry. Created a Docker hub which allows us to link our code repositories.
• Created automation framework and test scripts using SeleniumWeb-Driver for multiple platforms and browsers testing.
• Project code build is done using MAVEN tool.
• Implemented Angular Authentication using the HTTP interceptors and HTTP Client .

Environment: JAVA, J2EE, Core Java, JSF, AJAX, JavaScript, Apache CXF, Rest Service, Jax-RS, WSDL, JQuery, Karma and jasmine, Multi Threading, AWS, Jquery, HTML5, CSS3, Ajax, ORACLE, IBatis, Docker, Mockito.

Confidential

Java Full Stack Developer

Responsibilities:

• Involved in various phases of Software Development Life Cycle (SDLC) on the application like Requirement gathering, Design, Analysis and Code Development.
• Developed and implemented the MVC Architectural pattern using STRUTS 2.x framework.
• Used Azure Functions to integrate applications and run backend processes according to schedules without provisioning/managing servers.
• Implemented Spring Boot to create aCRUD operation in the backend for our React-fronted application.
• Expertise in implementing MVVM architecture on client side using Angular 2.x and above versions with typescript 2.7.
• Implemented POJO based action by STRUTS and also utilized various Tag Support given by the STRUTS 2.x. Implemented interceptor which is invoke Confidential preprocessing and post processing of a request in STRUTS 2.x.
• Implemented OGNL (Object Graph Navigation Language) of STRUTS 2.x to simplify the accessibility of data stored in the ActionContext.
• Created Actions and action mappings for Struts and consumed data from backend to display on the UI template pages.
• Developed UI pages using HTML5, CSS3, JavaScript, jQuery, AJAX and JSON.
• Developed client-side validation code using Javascript and JQuery.
• Loading data from Text Files to Database by using SQL Loader.
• Implemented IBM WebSphere Application Server to deploy the application.
• Worked with Log4J to capture the log that includes runtime exceptions.

Environment: HTML5, CSS3, JavaScript, JQuery, MVC Architectural, STRUTS 2.x, SQL Loader, IBM WebSphere, Log4J.

Confidential

Java Developer

Responsibilities:

• Developed UI pages using HTML5, CSS3, JavaScript, jQuery, AJAX and JSON.
• Developed/Customized Java Server Pages (JSP) for Customer UserInterface (UI).
• Implemented JDBC for database connectivity with MySQL Server.
• Developed backend logic using Core Java including Collections, Multithreading and Exception Handling.
• Used AJAX request to data from back-end based on user interface input and post updated data back to backend.
• Migrated the code from Angular 5 to Angular 6 by making the utilization of the new commands provided by angular CLI 6 like ng update, ng add and also implemented the multiple project support with angular.json provided in Angular 6.
• Adopted JMS API to setup mail notification upon the success or failure when the backend processes are completed and to send mail notifications regarding any system related problems.
• Developed and implemented the MVC Architectural pattern using STRUTS 2.0 framework including JSP, Servlets, and EJB.
• Involved in development activities using Core Java/J2EE, Servlets, JSP used for creating web application
• Developed application using OOPS concepts and design patterns such as Singleton, Abstract Factory and Session Facade.
• Developed the business logic code in Core Java/J2EE, Struts, JDBC.
• Implemented Multithreading feature for processing the multiple requests to achieve high performance
• Deployed Application using Oracle Weblogic Server.
• Worked extensively on JSP tags, JSP Directives and JSP Implicit Objects.
• Worked on sharing objects or variables between servlets using RequestDispatcher().

Environment: JAVA, J2EE, JSP, JSTL, Swing, JSP, HTML, CSS, servlets, EJB, Web Logic, MYSQL, STRUCTS 2.0, XML, JavaScript, java core like multithreading, collections, Interface and abstract classes, strings