SUMMARY

• Over 6+ years’ experience in Back - end and Front-end development wif 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 dat gives me opportunities to learn, innovate and enhance my skills and strengths in conjunction wif organization goals and objectives.
• Experience in Spring Security Framework for User Access Management, JWT token-based authentication, and involved OAuth 2.0 configuration for authentication and authorization.
• 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.
• Unit tested web services using Junit, Mockito Easy mock, Spring Junit Runner, Spock, Testing, and achieved Test-Driven Development (TDD) goals.
• (ORM) Frameworks like Spring JPA wif Spring Data, Hibernate, IBatis MyBatis, and Spring JDBC.
• Experience in Transaction usage, Servlets, JMS, Java Beans, Web Services, Multithreading Executor Services.
• Experience working wif different SDLC (Software Development Life Cycle) including Requirement gathering, Analysis, Design, Coding, Testing, and Implementation like AGILE (SCRUM), TDD, and Waterfall Models.
• 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.
• Strong experience wif Spring Boot, Spring framework implementing modules: Spring MVC, Spring Boot, Spring IOC, Spring IO, Spring AOP, Spring Security, and Spring Data.
• Good understanding of Server-side JavaScript structures like NodeJS, Hapi.JS, Express.JS.
• 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.
• Strong experience in building applications using the JavaScript Mean stack: MongoDB, Angular JS, Express.js, and Node.js.
• Widely used various open-source MVC architecture like Spring MVC, and Object Relational Mapping.
• Expertise in implementing Core Java SE 8 concepts like Streams API, Lambda functions, Functional programming, and Generics.
• Strong experience developing Dynamic Single Page Application (DSPA) using MEAN (Mongo, Express Angular, and Node) full-stack development tool kit.
• Proven experience wif Application Servers like IBM WebSphere, Oracle/BEA WebLogic, JBoss, and Tomcat.
• Experience writing SQL queries in PL/SQL, Triggers, and Stored Procedures in Relational Database management systems like Oracle, MS SQL, MySQL, and DB2.
• Experience in Message Queue (MQ) services like Apache Kafka, Rabbit MQ, Active MQ, and IBM MQ.
• Hands-on experience wif building Java projects using build tools like ANT, Maven, Gradle, and integrating the project Bamboo, CD/CI, Jenkins, AWS Code.
• Good Knowledge in Amazon Web Services (Amazon EC2, Amazon S3, Amazon SimpleDB, Amazon Elastic Load Balancing, Amazon SQS, Amazon EBS, and Amazon CloudFront).
• 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.
• Experienced in utilizing source code variant administration apparatuses like SVN, Git, Bit Bucket, and undertaking sprinters like Babel, Grunt, Gulp, and Web pack.
• Used Kubernetes Linux container for deploying and scaling containerized applications.
• Developed various Typescripts (ES6) objects, including Components, NgModules, Providers, Services, and classes using arrow functions and optional types.
• Good knowledge of Drools Rule Engines, which corresponds to validating BRMS (Business Rule Management System).
• Experience in developing web applications using HTML5, XML, XHTML, DHTML, CSS, CSS3(Sass, Less), Bootstrap, JavaScript, DOM, jQuery, Ajax, JSON, and JSP.

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: 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: MongoDB, SQL Server, MySQL, Oracle, 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, IntelliJ IDEA, Spring Tool Suite (STS).

Operating Systems: Windows, Linux, and UNIX

Software: Visual Studio, Rational Rose, and Microsoft Office

PROFESSIONAL EXPERIENCE

Confidential

Full Stack Java Developer

Responsibilities:

• Involved in Software Development Life Cycle for gathering requirements, Analyzing, Designing, Developing, and Testing applications using Agile methodology.
• 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.
• Experience working wif (consuming) REST or GraphQL APIs via client-side JavaScript or server-side via NodeJS.
• The application is built in MicroService Oriented Architecture using MEAN 11+ (Mongo, Express Angular 11.0 and Node) stack and developed Single Page Applications (SPA).
• Developed multiple Angular 11.0 components dat are compatible wif the latest versions of typescript, angular CLI.
• Worked wif KAFKA Zookeeper for managing the cluster wif broker/cluster technology.
• Kubernetes is configured in the application for automating deployment, scaling, and management of containerized applications.
• Experience in working wif GraphQL queries and use the Apollo GraphQL library.
• Performed manual and regression testing using JIRA X-RAY tests, writing the scenarios.
• Worked on UI testing wif Karma, Jasmine, Protractor for Angular, Mocha, and Chai for ReactJS and Backbone JS.
• 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.
• 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.
• Hands-on experience using ODM frameworks to connect asynchronous environments wif Mongoose Connector and Cassandra Node Driver.
• Participated in code review and mentoring sessions and used GIT as version control and GitBash for GIT interactions.
• Responsible for migrating existing modules in IBM MQ to Apache Kafka and creating Kafka adaptors for decoupling the application dependency.
• Designed and developed efficient user Interaction screens using HTML5, CSS3-SASS, and Twitter Bootstrap CSS framework and media queries to create responsive web pages.
• Configured and managed various AWS Services, including EC2, RDS, VPC, S3, Glacier, CloudWatch, CloudFront, Route53, SQS, SNS, etc.
• Experience in building isomorphic applications using React.js and Redux wif GraphQL on the server-side.
• Worked wif Jenkins to configure Continuous Integration and Continuous Deployment (CI/CD).
• Implemented Spring Circuit breaker pattern, integratedHystrix dashboard to monitor Spring microservices.
• Authenticating Users to provide security to Restful web services using OAUTH 2.0.
• Developed the single-page application following Agile Scrum, participated in daily standups, sprint reviews, Kickoffs, and used Jira for project management.

Environment: Java, Angular 11.0, 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, SFO, CA

Full Stack Java Developer

Responsibilities:

• Extensively worked in writing minimal code in building re-usable forms wif their validations using REACT wif Redux Architecture.
• Developed JavaScript for all client-side validations and developed GUI using CSS, JSTL, and XSL.
• Optimized cleaning up of session-level Data Structure's shared across different open tabs when data is flushed/committed from one of the tabs.
• Experience in Docker Engine and Docker Machine environment, to deploy the microservices-oriented environments for scalable applications.
• Responsible for the overall layout design and prototype using ReactJS wif Redux library, jQuery UI, and CSS/Less and HTML5.
• Configured Jenkins to handle application deployment in the Pivotal Cloud Foundry (PCF) server and integrate wif GitHub version control.
• Made use of ReactJS to build Bootstrap components for responsive UI objects and linked wif API data to view and render the virtual DOM dynamically.
• Performed Unit testing on ReactJSapplications using Karma and Jasmine tools and worked wif the Gulp tool to build automation.
• DevOps role converting existing AWS infrastructure to Server-less architecture (AWS Lambda, Kinesis) deployed via CloudFormation.
• Implemented Spring Boot to create a CRUD back-end for our React-frontend application.
• Wrote Drool rules in both rule flow and drooled fusion for fetching the facts from the database.
• 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).
• Used different transformers, exception handling, testing & Security of MuleSoft ESB endpoint through OAuth.
• Implemented Node JS as a server-side proxy for an event-driven, non-blocking I/O model to make the application lightweight and efficient.
• Worked wif container-based application deployments using Docker wif Kubernetes.
• Experience in integration testing tools like Selenium Web Driver, Cucumber (Behavior Driven Development testing).
• Define requirements and specifications for Development using Oracle R12, Oracle Forms, Oracle Reports and SQL.
• Good knowledge of Lambda expressions, Time APIs, and Java 8 core features
• JUnit is implemented along wif Mokito to perform unit testing on our RESTful web application.
• Web pack module bundler and Babel JavaScript compiler are used accompanying ReactJS.
• Dockerized Spring Boot application to Pivotal Cloud Foundry PAAS (Platform as a service).
• Experience integrating the internal security model into new projects wif Spring Batch, Spring Microservices and Spring Boot, Pivotal Cloud Foundry, and Netflix Eureka.
• Performed Unit testing on applications using tools Mocha to test ReactJS and Chai for Node.js.
• Apply focused development changesacross oracle databases and see the changes applied through the life cycle of environments and testing into production via internal deployment tool.

Environment: HTML5, CSS3, Redis, Express JS, jQuery, JavaScript, Node JS, Bootstrap, REST API, Load Balancer, Mongoose Connector, MongoDB, REST administrations, Docker, Mocha, Jasmine, Karma, Gulp, SSO Authentication, WebPack, Kubernetes, Selenium, Maven and Jenkins. GIT, Jenkins, AWS Services, Elastic Cloud Compute (EC2).

Confidential

Full Stack Java Developer

Responsibilities:

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

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:

• 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.
• TEMPEffectively worked on Angular 1.0 to use the enhanced features of typescript, Angular Routers, and Angular Components.
• Worked on Agile methodology, including team-based design and code reviews.
• Implemented Spring Batch to run daily and monthly batches.
• Involved in multi-tiered J2EE design utilizingSpring Inversion of Control (IOC) architecture andSpringJPA.
• 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).
• Implemented the back-end functionality of the modules using Singleton and Session Facade design patterns.
• Involved in the Development of SOAP Web Services using Apache Axis to extract client-related data from databases.
• Deployed the application using Docker and AWS Console services.
• Extensively used Java server Faces (JSF) Navigation rules and JSF tags for enhanced user Interface.
• Spring AOP is used for logging, auditing, and security and transaction management to distinguish business logic from the cross-cutting concerns.
• Involved in performing Unit and Integration Testing in Selenium
• Used SOA, UDDI lookups, and Web Services Description Language (WSDL) using the SOAP protocol.
• Developed the business logic code in Core Java/J2EE, Struts, JDBC.
• Deployed application using Oracle WebLogic Server.
• 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.
• Hibernate ORM framework is used to interact wif databases through Hibernate query language (HQL).

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