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DeepthiSr .Java Full Stack DeveloperEMAIL AVAILABLEPHONE NUMBER AVAILABLEPROFESSIONAL SUMMARY6+ years of IT experience in all phases of the Software Development Life Cycle (SDLC) including Requirement Gathering, Analysis, Design, Development, Testing, Implementation and Maintenance Support in various computing environments, along with proficiency in developing web applications using java scripts (Angular, Node, Bootstrap, and Express) and Databases (MySQL, PostgreSQL, MongoDB, Casandra) AWS and Spring MVC are my strong suite.Experienced in a fast-paced Agile Development Environment including Test-Driven Development (TDD), Scrum, and SAFE. (Scaled Agile Framework)Experienced in implementing OOPS Concepts using java 8/J2EE technologies such as Core Java Collections, Generics, Enums and Annotations etc.Worked on Java8 features using a new library for refactoring, lambda, functional interfaces, streams -parallel processing, and aggregations.Expertise in working with technologies: Core Java, Spring MVC, Spring Batch, Spring Boot, Spring JDBC and Hibernate.Proficient in Java 8/J2EE Design Patterns including singleton, command, object pool, session facade, Model View Controller (MVC), Data Access Object (DAO), Factory, Adapter, Observer and JMS components.Used Spring Core Annotations for Dependency Injection and Spring JTA transaction Manager.Good knowledge of developing RESTful Web Services using Spring MVC and Tomcat/Glass Fish Servers.Implemented the application using Spring IOC, Spring MVC Framework, Spring Batch, and Spring Boot also handled the security using Spring Security.Used Hibernate, object relational mapping (ORM) solution, technique of mapping data representation from MVC model to Oracle Relational data model with an SQL-based schema.Knowledge on JPA Hibernate and spring to perform CRUD operation with MySQL and Oracle.Strong understanding of common API technologies, such as OAuth 2, SAML, Spring Boot, and Microservices.Strong Object-Oriented Analysis and Design (OOAD), ERD documentation, UML artifacts modeling with Rational Rose and Enterprise Architect. Applied the requirements engineering, analysis, and design disciplines of the RUP to J2EE projects.Ability to apply Drools rule language and syntax.Implemented a real-time chat application using Golang and WebSockets, enabling instant messaging capabilities for users. Utilized Goroutines and channels to handle concurrent connections efficiently.Experience in creating and managing rules using Drools.Experience in designing presentation layer using HTML5, CSS3, JAVASCRIPT, JQUERY, AJAX, JSP, JSON, Bootstrap, and AngularJS.Hands-on experience in creating Angular modules, controllers, directives, and filters to deploy the entire business logic. and experience in writing Angular & NodeJS unit test cases using JASMINE & Mocha respectively.Strong knowledge of NodeJS, events and events emitter and Node package Manager (npm).Extensive experience in developing Microservices using Spring Boot, Netflix OSS (Zuul, Eureka, Ribbon, Hystrix) and followed domain driven design.Well Versed Experience in database connectivity (JDBC) for databases like IBM DB2, Oracle, SQL Server, and MySQL and NoSQL databases like MongoDB, HBase and Cassandra.Strong Database design and development experience, which includes developing Stored Procedures, functions using SQL and PL/SQL in MS-SQL, Oracle, DB2, PostgreSQL databases.Proficient in RDBMS concepts and experience in working with Oracle 9i/10g/11g, DB2 and MY SQL PL/SQL, SQL Plus, Database triggers, Procedures, Functions.Hands on experience with JUnit in performing unit test.Experience in testing web services like Postman, SOAP UI, Swagger UI and service level testing like Cucumber and Selenium for UI automation.Hands on experience using Messaging Services like JMS, MQ Series and experience in handling messaging services using Apache Kafka and message brokers such as ActiveMQ and RabbitMQ.Logging using Log4j Framework, SLF4J and develop and execute Test cases, Test scripts and maintaining Test scripts.Experience in deploying dynamic web applications using IBM WebSphere, Web Logic and Tomcat Application Servers.Used Jenkins for build automation to compile and generate EAR and WAR files.Extensive experience in developing Enterprise Applications using IDEs such as Eclipse, My Eclipse, Net Beans, WebLogic workshop, STS, IntelliJ.Worked on Version control systems like GIT, SVN, Subversion, CVS, Bitbucket and Perforce.Used Gradle build tool to automate the process of generating Docker files, building Docker Images and pushing them to Docker Private Registry.TECHNOLOGY AND TOOLS:Operating Systems:Dos, Windows, Unix, and LinuxLanguages:C, C++, Java 8,11, SQL, HQL, PL/SQLJava/J2EE Technologies:Java EE 4/5, Servlets, JSP, EJB, JSTL, XSLT, JDBC, JNDI, JMS, JPA, JSFWeb Technologies:HTML, DHTML, CSS, XML, Java Script, AJAX, JSP, Angular JS, Node JS,jQuery, BootstrapXML/Web Services:XML, XSD, SOA, WSDL, SOAP, Apache Axis, DOM, SAX, JAXWS, JAXRS, XML Beans, RESTFrameworks:Jakarta Struts, Hibernate, Spring, Spring Boot, Spring MVC.RDBMS / NoSQL:ORACLE 10g MS-Access, MySQL, SQL-Server, DB2, MongoDBWeb/Application Servers:Apache Tomcat, JBoss, Web Sphere, Web Logic.IDE's and Tools:Eclipse, NetBeans, WebStorm, Sublime Text, MyEclipse, RAD, WSADDesign Patterns:Singleton, session facade, Front Controller, MVC, DAO, MVVM.Version Controls:GIT, SVN, CVSMethodologies:Unified Modelling Language (UML), Rational Unified Process (RUP), Agile.Build Tools:Ant, Maven, Gradle, Jenkins.Testing Tools:JUnit, Jasmine, Protractor, Selenium, KarmaPROFESSIONAL EXPERIENCE:Client: Cummins, Indianapolis, IN May 2021-presentRole: Sr. Java Full Stack DeveloperResponsibilities:Involved in Analysis, Design, Coding, and testing phases of the back-end server-side business logic development by following Agile Scrum Methodology.Creating Typescript reusable components and services to consume REST API's using Component-based architecture.Used Angular 8 framework to create a Single Page Application (SPA) which can bind data to specific views and synchronize data with the server.Experienced in developing front-end systems with JavaScript, HTML5, CSS3, Bootstrap, JSON, Ajax and frameworks such as Angular 8.Used Spring Controllers with Angular 8 to route the control to desired Java services and implement modules into Node JS to integrate with designs and requirements.Writing JavaScript functions for various validation purposes, Writing Java Beans to contain data objects and Implemented session beans, entity beans and message driven beans.Designed and developed the business logic layer components in middle-tier of the application using Spring Framework4.0 and Spring Boot in STS along with Java 8.Responsible in writing the functional interfaces also used streams and other Java 8 features.Creation, enhancement, and maintenance of PostgreSQL database functions, including reflection of CRUD operations for the object model PostgreSQL.Responsible for configuring, integrating, and maintaining all Development, QA, Staging and Production PostgreSQL databases within the organization.Installing and monitoring PostgreSQL database using the standard monitoring tools like Nagios etc.Used Spring JDBC and DAO layers to offer abstraction for the business from the database related code.All the functionality is implemented using Spring Boot and Spring Data JPA. Implemented Java EE components using Spring Boot, Spring IOC, Spring transactions, and Spring security modules.Implemented exception handling in Java Spring Boot for REST API, by making use of Exception Handler and Controller Advice annotations.Created Jenkins jobs for building applications, continuous integration and jar uploading on Nexus repository.Used Apache Kafka (Message Queues) for reliable and asynchronous exchange of important information between multiple business applications.Built on-premises data pipelines using Kafka and Spark streaming using the feed from API streaming Gateway REST service.Used Microservice architecture with Spring Boot based services interacting through a combination of REST and Apache Kafka message brokers and worked with Kafka Cluster using Zookeeper.Integrated Java application with confluent Kafka clusters using Kafka admin API client package.Contributed to the DevOps to automate the build and deployment process using Jenkins, shell scripting, Chef, AWS Lambda, Cloud Formation Template.Used Bamboo for automated code deployments in Development Environment.Used Log4j to capture the log that includes runtime exception and for logging info and is helpful in debugging the issues.Developed Web services to allow communication between applications through REST over HTTP. Developed Junit tests using Mockito framework in a TDD (Test Driven Development) environment.Created AWS S3buckets, performed folder management in each bucket, Managed cloud trail logs and objects within each bucket.Implemented infrastructure as code (IaC) using AWS CloudFormation or AWS CDK (Cloud Development Kit) to provision and manage ECS clusters, tasks, services, and related resources in a repeatable and scalable manner.Experience working with AWS for Storage & content delivery and Application deployment services.Implemented unit test for testing Angular components with frameworks using Protractor, KARMA and JASMINE.Performed unit testing with JUnit and used Mocha and Chai for JavaScript framework and Cypress for e2e testing.Experience integrating Drools with other technologies such as Java, Spring and Hibernate.Used JIRA as the bug tracking system to track and maintain the history of bugs/issues on an everyday basis.Setup JMeter for analyzing and measuring performance on web services.Created build and deployment pipelines leverage CI/CD processes and tools including GIT, Maven and Jenkins.Used Spring Tool Suite (STS) IDE tool for application development.Environment: Java 8, Agile, Spring core, Spring MVC, Spring Boot, Rest API, SQL, HTML5, CSS 3, Bootstrap, Jenkins, Kafka, AWS EC2, S3, Git, GitHub, JIRA, STS, Angular JS, Node JS, JavaScript, Maven, AJAX, JUnit, Log4j, Splunk.Client: ADP, Atlanta, GA August 2018 - December 2020Role: Senior Java Full Stack DeveloperResponsibilities:Involved in all phases of the Software development life cycle (SDLC) using Agile Methodology.Worked in agile environment, followed pair programming, continuous integration, and Test-Driven Development. (TTD)Developed web pages using HTML5, CSS3, Angular 7, Bootstrap, JSON, Ajax.Used Angular 7 a framework to create a Single Page Application (SPA) which can bind data to specific views and synchronize data with the server.Experienced in developing front-end systems with JavaScript, Bootstrap, HTML5, MVC frameworks such as Angular 7.Spring Controllers were used with Angular 7 to route the control to desired Java services.Implement modules into Node JS to integrate with designs and requirements.Developed real time tracking of class schedules using Node JS (socket.io based on socket technology, Express JS framework).Optimized services using NodeJS, ES6 as interfaces to Cassandra NoSQL database and programmed and prepared code for interfacing with Apache Tomcat systems.Familiar with MongoDB clusters, Java scripting to load unstructured data into a sharing environment.Implemented Data Access Layer (DAL) using the Spring Data JPA tool that includes NoSQL Database.Implemented exception handling in Java Spring Boot for REST API, by making use of Exception Handler and Controller Advice annotations.Implemented the application using Spring MVC Framework, Spring Boot and handled the security using Spring Security.Used Spring Boot to provide defaults for code and annotation configuration to quickly start the application.Developed Authentication and Authorization modules where authorized persons can only access the inventory related operations.Built on-premises data pipelines using Kafka and Spark streaming using the feed from API streaming Gateway REST service.Used Microservice architecture with Spring Boot based services interacting through a combination of REST and Apache Kafka message brokers.Used Java 8 as a backed programming language. For writing Rest API.Implemented lambda expressions, Functional interfaces stream Apis etc.Designed and developed RESTful Web Services using the Jersey framework.Developed applications using the latest technologies like Spring, Data JPA (using annotations), and REST-based Web Services, XML API, and tools.Experience in developing Cloud computing microservices using Spring Boot, Spring Cloud, and Netflix based Eureka Discovery, Eureka Server, Zuul, Ribbon, Hystrix, and Feign.Implementation of NodeJS based authentication service for fortune 500 using Federate and OAUTH.Performed Web services testing between, and third-party applications using Soap UI and perform functional testing of REST APIs using JMeter.Worked on Spring MVC Architecture for web applications.Developed various reusable helper and utility classes using Java Beans with Eclipse editor and used VS code, built-in support for JavaScript, TypeScript, NodeJS as front-end editor.Configured and deployed the application using Tomcat and Web Sphere.Implemented version controlling using SVN and used Jenkins for continuous integration. Wrote build & deployment scripts using Ant, Maven on UNIX environment.Managed Kubernetes charts using Helm. Created reproducible builds of the Kubernetes applications, managed Kubernetes manifest files and managed releases of Helm packages.ENVIRONMENT: Java 8, RESTful/SOAP Web Services, Hibernate, Spring Core, Spring Data, Spring MVC, OAuth, Spring Boot, Eclipse IDE, Angular 7, NoSQL, Jenkins, JavaScript, Web Sphere, Oracle, Maven, Jenkins, GIT, Spark, Design patterns, JMS, JUnit, log4J, JSON.Client: Fedex, Plano, Tx May 2017- July 2018Role: Java full stack developerResponsibilities:Involved in Analysis, Design, Coding, and testing phases of the back-end server-side business logic development by following Agile Scrum Methodology.Programming and maintenance of software using Java/J2EE, WebLogic Server 12c, Spring Tool Suite, SQL, Oracle 12c, IBM MQ, Microsoft Visual Studio and Unix/Linux scripting.Involved in developing code for obtaining bean references in Spring framework using Dependency Injection and Inversion of Control (IOC).Developed Spring boot applications and microservices and deployed AWS EC2 instances.Developed RESTful Services with Java using JAX-RS, Jersey, and Spring Boot. Coding for consuming the REST APIs, getting JSON response, and parsing them to get the required formats.Used Spring Framework AOP to implement logging in the application, Spring DAO for data access.Involved in development of REST Web Services using Spring Cloud to extract client related data from databases and used SOAPUI, POSTMAN for testing RESTFUL API web services.Engaged in developing the UI by using HTML, jQuery, Angular7and JavaScript and used AJAX to make calls to other services. Implement responsive user interface, with a focus on performance.Created modules and web components and coupled them together into a functional app.Implemented Angular services to connect the web application to back-end APIs to POST/GET the data.Involved in upgradation and maintenance of company's website to the new layout using the Grid orientation model Bootstrap framework.Developed MongoDB architecture to improve performance and scalability. Implemented MongoDB ops manager for alert, monitoring and to restore data.Worked on migrating from Oracle WebLogic Server to Apache Tomcat application server.Tested REST services using google chromes POSTMAN plugin.Provided support for troubleshooting and resolving production issues during releases and post releases.Created build and deployment pipelines leverage CI/CD processes and tools including GIT, Maven and Jenkins.Developed JUnit and Mockito tests and provided support to QA team for bug fixes.Worked with AWS Infrastructure teams for configuring security groups and access controls.Participated in code reviews, technical demos and Knowledge Transfer sessions.Environment: Java/J2EE, Agile, Spring, Spring Tool Suite (STS), jQuery, REST, SQL, SOAP, Angular JS, JavaScript, Maven, Git, GitHub, AJAX, JUnit, Mockito, Apache Tomcat.Education Details:Masters in computer science from Governors State University.Bachelors in computer science from JNTUH.