SUMMARY

• 8 years’ experience in Back - end and Front-end development with an ability to handle any part of the process efficiently. To succeed in an environment of growth and excellence and let me work on the leading areas of technology, a job that gives me opportunities to learn, innovate and enhance my skills and strengths in conjunction with organization goals and objectives.
• Experience in implementing and deploying Java EE design patterns such as Singleton, Abstract Factory, DAO, DTO, and Business Delegate in the Development of Multi-Tier distributed Enterprise Applications.
• Expertise in implementing Core Java SE 8 concepts like Streams API, Lambda functions, Functional programming, and Generics.
• Expertise in developing SOA(Service Oriented Architectures) and Microservice architectures using J2EE web services based on Restful(JAX-RS), SOAP(JAX WS), JAX-RPC, and JAXR(Java API for XML Registries) using frameworks like Apache CXF, Jersey, Apache Axis.
• Worked extensively with JAVA 8 features like Time API, Functional Interfaces, Completable Future, Optionals,Multithreading, Transaction Management, Exception Handling, Collection API.
• Widely used various open-source MVC architecture likeStruts 2.0, Spring MVC, and Object Relation Mapping (ORM) Frameworks like Spring JPA with Spring Data, Hibernate, IBatis MyBatis, and Spring JDBC.
• Experience in Transaction usage, Servlets, JMS, Java Beans, Web Services, Multithreading Executor Services.
• Unit tested web services using Junit, Mockito Easy mock, Spring Junit Runner, Spock, Testing, and achieved Test-Driven Development (TDD) goals.
• Experienced in server-side view rendering Java content structures like React.JS and rendering pages on the server-side utilizing Redux and Flux to accomplish unidirectional plan stream.
• Extensive experience in developing web applications using HTML5, XML, XHTML, DHTML, CSS, CSS3(Sass,Less), Bootstrap, JavaScript, DOM, jQuery, Ajax, JSON, and JSP.
• Strong experience with EJB, Struts, Spring Boot, Spring framework implementing modules: Spring MVC, Spring Boot, Spring IOC, Spring IO, Spring AOP, Spring Security, and Spring Data.
• Good knowledge in building real-time dashboard applications using Splunk, Elastic Search, and Logstash (ELK) to profile and monitor the streaming data of the application.
• Experience in Spring Security Framework for User Access Management, JWT token-based authentication, and involved OAuth 2.0 configuration for authentication and authorization.
• Developed real-time dashboard applications for visualization and analytics on Apache web servers using Kibana, Splunk, Grafana, SumoLogic, and New Relic integrated with DataDog.
• Extensively used Spring IOC to inject objects based on selecting components like setter injection and Interface injection to manage the object references.
• Good understanding of Server-side JavaScript structures like NodeJS, Hapi.JS, Express.JS.
• Experience in integration tools like Spring Integration, Mule ESB, Apache CXF, and Apache Camel to integrate the enterprise application technologies with existing JVM environments.
• A good amount of hands-on experience developing server-side JavaScript frameworks using Node JS (Hapi JS, Express JS) to build event-driven, non-blocking i/o model web applications.
• Strong experience in building applications using the JavaScript Mean stack: MongoDB, Angular JS, Express.js, and Node.js.
• Good Knowledge in Amazon Web Services (Amazon EC2, Amazon S3, Amazon SimpleDB, Amazon Elastic Load Balancing, Amazon SQS, Amazon EBS, and Amazon CloudFront).
• Strong experience developing Dynamic Single Page Application (SPA) using MEAN (Mongo, Express Angular, and Node) full-stack development tool kit.
• Proven experience with Application Servers like IBM WebSphere, Oracle/BEA WebLogic, JBoss, and Tomcat.
• Experience in Message Queue (MQ) services like Apache Kafka, Rabbit MQ, Active MQ, and IBM MQ.
• Sound learning on the consistent mix and persistent deployment tools like Jenkins, Hudson, Travis, Puppet, and Bamboo. Substantial involvement in UNIX and Shell scripting to automate the build scripts.
• Experience in integration testing tools like Selenium Web Driver, Cucumber (Behaviour Driven Development testing).
• Experience in testing with JUnit Framework using Mockito and EasyMock, Spring Junit Runner, JMeter. Worked on testing JavaScript structures utilizing Mocha and Chai, Jasmine, and Karma.
• Expert in Various Agile methodologies like SCRUM, Test Driven Development (TTD), Incremental and Iterative methodology, Pair Programming, Agile Development & Testing using Software Development Life Cycle.
• Extensive AWS Experience including AWS Services such as EC2, VPC (NAT, VPC Peering and VPN), IAM (Identity and Access Management), Elastic Beanstalk, Lambda, S3, CloudFront, Glacier, SQS, SNS, RDS, DynamoDB, Route53, CloudWatch, CloudTrail, CloudFormation, Security Groups, etc.
• Handled operations and maintenance support for AWS cloud resources, including launching, maintaining and troubleshooting EC2 instances, S3 buckets, Auto Scaling, DynamoDB, AWS IAM, and Elastic Load Balancers (ELB) and Relational Database Services (RDS). Also created snapshots for data to store in AWS S3.
• Experience writing SQL queries in PL/SQL, Triggers, and Stored Procedures in Relational Database management systems like Oracle, MS SQL, MySQL, and DB2.
• Designed and developed highly scalable, available, fault-tolerant, highly secured, distributed infrastructure (IAAS) using2EC2 instances, S3, EBS, API Gateway, Elastic Beanstalk, ECS. Experience in configuration management tools like Puppet, Chef, Docker and used AWS SDK for connection to Amazon S3 buckets as it is used as the object storage service to store and retrieve the media files related to the application.
• Used Kubernetes Linux container for deploying and scaling containerized applications.
• Good knowledge of Drools Rule Engines, which corresponds to validating BRMS (Business Rule Management System).
• Expertise in using NPM and BOWER package and Dependency management.
• Experience in database design and development of PL/SQL stored procedures and packages in relational databases like Oracle 9i / 10g / 11g, SQL Server 2005/2008, DB2, MySQL, and good hands-on experience in implementing, designing, and developing NoSQL Databases like MongoDB.
• Expertise in using JavaScript build tools and task runners like Webpack for React and Angular 8.0, Grunt, Gulp for Angular, Browserify for packaging NodeJS modules for browsers.
• Hands-on experience with building Java projects using build tools like ANT, Maven, Gradle, and integrating the project Bamboo, CD/CI, Jenkins, Aws Code.
• Experience developing applications using MVC and MVVM client-side JavaScript frameworks such as Angular 8.0, AngularJS to create dynamic web applications, Backbone.Js, Ember.JS, Handlebar.JS.
• Experience designing and developing various Angular 8.0 Components (ngModules), Services(observable/promises), Directive, and Pipes.
• Solid experience developing the rendering view React JS components, forms, events, routers, and Redux asynchronous functions and implemented React - Flux pattern for core dependency.
• Developed various Typescripts (ES6) objects, including Components, ngModules, Providers, Services, and classes using arrow functions and optional types.
• Experienced in utilizing source code variant administration apparatuses like SVN, Git, Bit Bucket, and undertaking sprinters like Babel, Grunt, Gulp, and Web pack.

AREAS OF EXPERTISE

• Web Application Development
• Software Development
• Requirement Management
• Unit/Integration Testing
• Technology Integration
• Software Implementation
• Program Documentation
• Program Design

TECHNICAL SKILLS

Programming Languages: C, Java, JavaScript, PHP, PL/SQL, UNIX Shell Script.

Java/J2EE Technologies: Servlets, Spring, JPA, JTA, JDBC, JSP, JSTL, RMI, Applets.

Frameworks: Struts 2.5, Hibernate 5.x, Spring 5.0, Spring Batch, Spring Security, Spring AOP, Spring Core, Spring IOC, JSF.

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

Database: SQL Server, MySQL, Oracle, MongoDB, DB2

JavaScript Frameworks: AngularJS, Angular 8, JQuery, React.js, Node.js, Backbone.js, Hapi.js, Handlebars.js.

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

Methodologies: Agile, Waterfall, OOAD, SCRUM.

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

Version Control: SVN, CVS, GIT, and Clear Case

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, Oregon

Full Stack Java Developer

Responsibilities:

• Developing MicroService Oriented application with React JS in the front-end and Spring Boot services.
• Using Spring MVC framework to develop enterprise application and it helps to maintain loosely coupling.
• Using Observable Patterns for connecting to external API’s and subscribe to receive data with the help of RX/JS libraries.
• Developing RESTful service interface using Spring Boot to the underlying Agent Services API and Implemented RESTful web services.
• Implementing Spring Boot to create a CRUD backend for our React-fronted application.
• Using Spring Boot which removes boilerplate configuration and making application faster.
• Using Jenkins and GoCD Pipelines for deploying developed code.
• Using Github to manage the developed code and deploy it to environments.
• Using SonarQube to inspect code quality and monitor test coverage.
• Using Spring Boot properties like actuators and health checkers to enhance micro service implementations.
• Integrating Front-end and Back-end Services using NGINX server for local development.
• Using JUnit, TestNG, Mockito for unit testing and Groovy for Integration testing.
• Using React - Draggable to implement the Drag and Drop functionality.
• Using Custom Components, library Components and Redux to display the data.
• Using Gradle and Maven to build the developed code.
• Using scan-at-source framework to scan developed code and check its security vulnerabilities.
• Using Various AWS Services like Dynamo db, S3 buckets for storing the Consumer data and Consumer Order details.
• Interacting with Testing Team, Scrum Masters and Business Analysts for fixing the Production Issues and Application defects.
• Using Splunk tool to monitor Production Logs and identify Production issues.
• Actively participating in reviewing pull requests in Git from other developers.
• Developing and updating web pages quickly and effectively using HTML5, CSS3, Java Script, jQuery and ReactJS with the webpage crosses browser, desktop and mobile compatibility.

Environment: Java 1.8, React JS-Redux, IntelliJ, Gradle, Maven Docker, AWS, Apache Tomcat 7, Spring Framework, Servlets 3.0, JSP, AngularJS, HTML5, JavaScript, CSS3, SOAP, DynamoDB, Version1, GitHub, Jenkins pipeline, GoCD pipelines, JUnit, TestNG, Mockito, Groovy, Batch, Hibernate, Microservices, Restful services, Netflix OSS, MySQL, Mocha, Chai, Web pack, Babel.

Confidential, Los Angeles

Full Stack Java Developer

Responsibilities:

• Involved in Software Development Life Cycle for gathering requirements, Analyzing, Designing, Developing, and Testing applications using Agile methodology.
• Developed the single-page application following Agile Scrum, participated in daily standups, sprint reviews, Kickoffs, and used Jira for project management.
• The application is built in Micro Service Oriented Architecture using MEAN 4+ (Mongo, Express Angular 8.0 and Node) stack and developed Single Page Applications (SPA).
• Designed the user interface screen and its functionality as per user requirements and developed RESTful Web services in Mule ESB based on Service Oriented Architecture (SOA).
• Designed and developed efficient user Interaction screens using HTML5, CSS3-SASS, and Twitter Bootstrap CSS framework and media queries to create responsive web pages.
• Used different transformers, exception handling, testing & Security of Mulesoft ESB endpoint through OAuth.
• Developed multiple Angular 8.0 components that are compatible with the latest versions of typescript, angular CLI.
• Created dynamic schema design through NoSQL MongoDB by writing rich queries and achieved data in a collection to be distributed across multiple systems for horizontal scalability as data volumes increase through Sharding.
• Implemented Java11 features like Lambda expressions, Streams, filters, pipelines, Optional Interfaces, etc.
• Hands-on experience using ODM frameworks to connect asynchronous environments with Mongoose Connector and Cassandra Node Driver.
• Worked with KAFKA Zookeeper for managing the cluster with broker/cluster technology.
• Implemented Microservices architecture with Netflix, Spring Eureka, Spring Ribbon using Spring Boot to provide client-side load balancing in calls to other Microservices, making applications into smaller chunks and the Spring Hystrix circuit breaker and for the fail-safe.
• Wrote Drool rules in both rule flow and drooled fusion for fetching the facts from the database.
• Kubernetes is configured in the application for automating deployment, scaling, and management of containerized applications.
• Configured JBOSS Application server and used Oracle database with Hibernate ORM framework and used the functionalities of Hibernate's second-level EHCache.
• Authenticating Users to provide security to RestFul web services using OAUTH 2.0.
• Participated in code review and mentoring sessions and used GIT as version control and GITBash for GIT interactions.
• Hands-on experience on Dump Analysis and thread Dump common problem patterns (Thread race, deadlock, hanging IO calls, garbage collection / OutOfMemoryError problems, infinite looping, etc.).
• Implemented Spring Netflix Zuul API gateway and Eureka service registry for reverse proxy and Dynamic service discovery of APIs.
• Performed manual and regression testing using JIRA X-RAY tests, writing the scenarios.
• Responsible for migrating existing modules in IBM MQ to Apache Kafka and creating Kafka adaptors for decoupling the application dependency.
• Experience in java11 features like Parallel Streams, Lambdas, functional interfaces, and filters.
• Used Cassandra for storing internal statements and reports and worked extensively in Development which includes updating and retrieving data internally from the back-end Cassandra.
• Worked with Jenkins to configure Continuous Integration and Continuous Deployment (CI/CD).
• Implemented AWS solutions using E2C, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups, Optimized volumes, and EC2 instances and created monitors, alarms, and notifications for EC2 hosts using Cloud Watch.
• Configured and managed various AWS Services, including EC2, RDS, VPC, S3, Glacier, CloudWatch, CloudFront, Route53, SQS, SNS, etc.
• Implemented a 'server less' architecture using API Gateway, Lambda, and DynamoDB and deployed AWS Lambda code from Amazon S3 buckets. Created a Lambda Deployment function and configured it to receive events from your S3 bucket.
• Worked on UI testing with Karma, Jasmine, Protractor for Angular, Mocha, and Chai for React JS and Backbone JS
• Implemented Spring Circuit breaker pattern, integratedHystrix dashboard to monitor Spring microservices.
• Experience in building isomorphic applications using React.js and Redux with GraphQL on the server-side.
• Experience in working with GraphQL queries and use the Apollo GraphQL library.
• Experience working with (consuming) REST or GraphQL APIs via client-side JavaScript or server-side via NodeJS.
• Programmed J2EE application to manage transaction reports for Oracle Financials Application Processes.

Environment: Java, Angular 8.0, J2EE, Git, Spring Boot, Hibernate, Core Java, Rest, Web Services, CSS, Eclipse RCP SASS, WSDL, JIRA, JMS, PostgreSQL, AWS, Spring Cloud, Spring batch, PCF, Apache JMeter, jQuery, JUnit, Docker, Maven, Jenkins.

Confidential, San Francisco

Full Stack Java Developer

Responsibilities:

• Used HTML5, CSS, jQuery, Ajax and performed client-side validations using JavaScript.
• Implemented web interface (UI) for end-users using AngularJS, which has migrated from the existing BackBone JS application.
• Effectively used Angular Directives, filters, declarative templates, service providers, and context-aware communication.
• Performed Angular JS end-to-end testing using the Protractor framework.
• Designed the user interface screen and its functionality as per user requirements and developed RESTful Web services in Mule ESB based on Service Oriented Architecture (SOA).
• Developed a set of application functionality using CRUD (Create, read, update, delete) features of Backbone.js.
• Used backbone.js as Model, Widgets as Controller, and jQuery template as view.
• Used Maven build tool to deploy the application on web servers, i.e., JBoss.
• Developed application on Spring framework by utilizing its features like Spring Dependency injection, Spring Beans, Spring Security, Spring JPA, Spring Web flow using MVC
• Deployed the drools rules as a service in the J2EE stack environment.
• Worked onSpringFramework handling major concepts like Dependency Injections,SpringIoC Containers, Transaction Management Declaratives (annotations based).
• Wrote SQL Queries, PL/SQL stored procedures, triggers, packages on Oracle database.
• Configured Hibernate's second-level cache using EH cacheto reduce the number of hits to the configuration table data.
• Implemented security functionality for various projects using Site minder (SSO).
• HibernateORM framework is used to interact with databases through Hibernate query language (HQL). And also worked with the Hibernate EH Cache technique for the critical objects in the application.
• Used Backbone JS to utilize its rendering functions and create controllers to handle events triggered by clients and send requests to the server.
• Developed an automated application using JMS for messaging and JNDI to interact with the server.
• Configured and managed public/private cloud infrastructure utilizing Amazon Web Services like Amazon Ec2, Amazon S3.
• Configured Jenkins to handle application deployment in the Pivotal Cloud Foundry (PCF) server and integrate with GitHub version control.
• Implemented ODBC, which is used for connecting to the Oracle database.
• Unit, functional, end-to-end testing is achieved using the TestNg framework.
• Integration testing methods and Behavioral driven testing in the application are implemented using Selenium and Cucumber, respectively.

Environment: Angular JS, HTML5, CSS3, AJAX, Bootstrap, JSON, XML, Active MQ, JMS, Hibernate, DB2, SOAP-AXIS2, Restful services, JAX-RS SOA, Eclipse Java EE IDE Neon, Jenkins, Git, Log4j, DB2, Grunt, Jasmine, JBoss, Jenkins, OpenShift, Drools, Maven, TestNg, Protractor, Grunt, Selenium, Cucumber, WADL.

Confidential

Java/J2EE Developer

Responsibilities:

• Designed the user interface screen and its functionality as per user requirements and developed RESTful Web services in Mule ESB based on Service Oriented Architecture (SOA).
• Effectively worked on Angular 1.0 to use the enhanced features of typescript, Angular Routers, and Angular Components.
• Effectively used Angular Directives, filters, declarative templates, service providers, and context-aware communication.
• Worked on Agile methodology, including team-based design and code reviews.
• Worked withEmber JS to code some new functionality and developed application front end using HTML, CSS, Ajax.
• Spring AOP is used for logging, auditing, and security and transaction management to distinguish business logic from the cross-cutting concerns.
• Implemented the back-end functionality of the modules using Singleton and Session Facade design patterns.
• Implemented Spring Batch to run daily and monthly batches.
• Extensively used Java server Faces (JSF) Navigation rules and JSF tags for enhanced user Interface.
• Involved in multi-tiered J2EE design utilizingSpring Inversion of Control (IOC) architecture andSpringJPA.
• Designing new components to fit in the already existing architecture using coreJava,multithreading, design patterns like the factory method, Abstract factory pattern, Singleton, while developing web-based applications using REST Web Services.
• Hibernate ORM framework is used to interact with databases through Hibernate query language (HQL).
• Used SOA, UDDI lookups, and Web Services Description Language (WSDL) using the SOAP protocol.
• Involved in the Development of SOAP Web Services using Apache Axis to extract client-related data from databases.
• Developed the business logic code in Core Java/J2EE, Struts, JDBC.
• Deployed application using Oracle Weblogic Server.
• Deployed the application using Docker and AWSConsole services.
• Provided support to the testing team and involved in the Bug Fixing.
• Deployed the application to IBM WebSphere 8.5.5 in UNIX environment IBM AIX 5.1.0.3. Tested the application after making the necessary configuration.
• Involved in performing Unit and Integration Testing in Selenium

Confidential

Java/J2EE Developer

Responsibilities:

• Implemented responsive web-basedapplications using HTML5, CSS3, Javascript, Jquery.
• Developed SCM by using the JSP/HTML for each user interface.
• JavaScript, Servlets standard validations are used as the controllers for business logic and using JDBC, XML parsing techniques using MVC.
• Designed a mailing application to send notifications to the Oracle users for intimating to start the following workflow.
• Used Multithreading concept to post data from files to tables involving the transformation of files from one format to another.
• Configured Struts-config.xml, Tiles-def.xml, and various properties files provided by Struts Framework for the implementation module.
• Extensively used the Struts tag libraries (Bean Tags, Logic Tags, HTML Tags, etc.) and Custom tag libraries.
• Developed web applications using Struts, Spring, and iBatis framework.
• Experience in installing, configuring, and deploying applications on Web Logic Server.
• Developed a DAO pattern to retrieve the data from the database.
• We kept up the bean life cycle by utilizing Spring IOC, which keeps session information of beans.
• Worked with Log4J to capture the log that includes runtime exceptions
• Implemented IBM WebSphere Application Server to deploy the application
• Deployed application on the Client Linux server.
• Used ANT build tool for compiling and generating war files.

Environment: Core Java, J2EE, JSP, HTML, MVC, Servlets, Struts, JMS, MDB, EJB3.1, JUnit, PL/SQL, DAO, Web Logic Server, Ant, SOAP, JAX-WS, WSDL, Junit, SQL.