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Click here or scroll down to respond to this candidateName: Krishna VEmail: EMAIL AVAILABLEPh: PHONE NUMBER AVAILABLEProfessional Summary:Around 7+ years of experience in all phases of software development life cycle (SDLC), which includes User Interaction, Business Analysis/Modeling, Design/Architecture, Development, Implementation, Integration, Documentation, Testing, Enterprise, and Web based applications using Java, J2EE technologies.Strong application development experience in using latest Agile Software Development methodologies like Scrum, Sprint, and Traditional software models like Waterfall and TDD.Expertise in developing web pages like HTML, CSS, JavaScript, jQuery, Ajax, AngularJS, Bootstrap with webpage browser compatibility and scripting language like Node JS, BackboneJS and React JS that interact accessibility and web browser standards for website.Hands on experience working on CAMUNDA 8 design and management.Implement API Service using Apache Camel.Having Good experience in developing and migrating existing application into cloud-based platforms like Amazon Web Services (AWS) and Pivotal Cloud Foundry.Expertise in Develop a web application using spring, Hibernate, Web Services (SOAP and RESTFUL) technologies.Experience with Java 11 features like runing java file with single command and new utility methods in string class, Stream API, Date Time API, JEP 321 etc.Used Apache Kafka for producing the change events from SQL and the Node JS programs to consume events as per the change events. Used Apache Kafka High Level consumer and High-Level producer for the programs.Strong experience in Spring Framework modules such as Spring MVC, IOC, AOP, JDBC, JTA, IO, Spring Boot, Spring Micro services, Spring REST, Netflix OSS, Consul, Swagger UI, Spring Ribbon.Proficient in implementation of frameworks like Struts, Spring (Spring MVC, Spring Web Flow, Spring IOC, Spring AOP, Spring Security, Spring Boot, Spring Data, Spring Batch, Spring TX), JSF, Prime faces, Ice faces, AJAX frameworks (Rich Faces, My Faces) and ORM frameworks like Hibernate, IBATIS.Proficient in developing Web Services, related technologies &frame works: WSDL, SOAP, REST, JAX-WS, JAXB, JAX-RPC, AXIS and Jersey, SOAP UI and generating clients client using Eclipse for Web Services consumption.Expertise in Web Front End Technologies Struts, Tag Libraries and Struts custom validation rules, Tiles, JSTL, Java Script, DHTML and XML/XSL.Developed web-based enterprise applications using core Java, J2EE, Servlets, JSP, EJB, JMS, JDBC, Hibernate, Web Services (SOAP, REST), MVC framework (Struts, Spring MVC), SQL and OOPS techniques, NAS Architecture.Proficient in core java concepts like Collection Framework, Multi-threading, Generics, Annotations, Serialization, Thread pools, JavaBeans, Externalization.Expertise XML technologies like DTD, XSD, XSLT and various parsers like DOM, SAX and JAXB.Extensive experience working with RDBMS such as MySQL, MS SQL Server, Teradata, DB2, Oracle.Experience in working with the NoSQL Database like MongoDB to manage extremely large data sets.Hands on experience in creation, Configuration, and management of MQ series objects like Queue Managers.Worked on deployment, installation, configuration, and issues with Application servers like Apache Tomcat, IBM Web Sphere, BEA WebLogic and JBoss Enterprise Application Server.Defined architecture and integration path for business rules with JBoss BRMS Drools.Developed reusable React components for various functionalities to enhance code maintainability and scalability.Experience in Design Patterns like Singleton, Factory, MVC, Data Access Object and Business Delegate.Experience on different IDEs such as RAD, Eclipse, Spring Tool Suite, and IntelliJ.Hands on experience in building tools like ANT, Maven, Gradle.Configured and created application log files using Log4J to trace required application messages.Apply the knowledge gained through practical experience. Work on projects or scenarios that involve implementing or adhering to North Star Architecture principles.Technical Skills:LanguagesC, C++, Java, J2EE, SQL, PL/SQLJ2EE TechnologiesServlets, JDBC, JSP, JSF, JMS, EJB, Java Security, JMS (ActiveMQ, Rabbit MQ),JEP328. JfrogMark-up/XML TechnologiesHTML, CSS, JavaScript, jQuery, Ajax, AngularJS, PHP, XML, XSD, XSL/XSLT, SAX/DOM, JSON, Angular 12Tools & FrameworkStruts, Spring, Hibernate, Spring MVC, Spring IOC, Spring AOP, Spring Boot, Spring Cloud, Spring Security, OAUTH2, JSF, JUnit, SOAP UI, PHP, Apache ActiveMQ. ANT, Maven, Apache camel, NSA (North Star Architecture), CAMUNDA 8 Framework, CAMUNDA BPMN 2.0, CAMUNDA ModulerWeb servicesSOAP, Restful, UDDI, WSDL, JAX-RPC, JAX-RS, JAX-WS, JAX-B, Axis2,Micro Services., React, WicketWeb/App ServersIBM Web Sphere, Apache Tomcat, JBoss, Web Logic ServerDatabaseOracle, SQL-Server 2008/12/16, Netezza, MySQL server, TOAD, MongoDB/NoSQLIDEsEclipse, IntelliJ, Spring Tool Suite (STS), RADO-R mappingHibernate, IBATISTesting Tools/ OthersJUnit, Soap UI, Putty, Log4j and Jira.Version ControlTortoise SVN, CVS, Rational Clear case, GitHub, IvyBuild ToolsAnt, Maven, JenkinsOS & EnvironmentWindows, UNIX, Linux.Cloud TechnologiesAWS EC2, S3 bucket, ELB, Auto-Scaling, SNS, SQS, AMI, IAM, Dynamo DB,Cloud front, Elastic search, Elastic Beanstalk, Virtual Private Cloud (VPC), Micro Services. Pivotal Cloud Foundry (PCF)Professional Experience:Client: Delta Airlines, Atlanta, GA Aug2022 PresentRole: Full Stack Java DeveloperDescription: The project is mainly handled with all the REST API-related operations of Fly Delta and Virgin Atlantic airlines mobile applications where customers can access the shop, check-in, track the flights and baggage, etc. Different teams are working for different segments.Responsibilities:Involved in various phases of Software Development Life Cycle (SDLC) such as requirements gathering, modeling, analysis, design, development, and testing.Responsible for creating efficient design and developing user interaction screens using HTML5, CSS3, JavaScript, jQuery, Ajax for service calls on pages to interact with the server.Involved in project migration from spring boot to AWS using AWS CloudWatch, AWS Direct Connect, AWS storage gateways etc.Worked in different areas of the project while working with different defects in the projects.Worked on NODE.JS while working with AWS CDK for calling AWS endpoints.Hands-on experience with Aws Quarks for application layer connectivity.Used new utility methods in string class like isBlank, lines, strip etc.Developed the monolithic application and was involved in migrating existing monolithic applications into Micro Service Architecture based RESTful Service, and deployments were done on AWS.Worked within three teams and achieved many milestones by completing different stories within sprint planning time with extraordinary coordination.Used AWS Cloud Watch to monitor the application and to store the logging information.Re-design and implement the CI build system using Jenkins.Focused on Test Driven Development, creating detailed JUnit tests for every piece of functionality before writing the functionality.Developed a co-branding banner for American Express cardholders in the Delta Airlines market for Android and IOS fly Delta applications.Developed applications using Wicket for simplified Java web development.Interacting and participating in meetings with product owners and clients to understand their needs and propose designs to the team to implement the requirement.Used GIT to maintain the version of the files and took responsibility for doing the code merges from branch to trunk and creating a new branch when new feature implementation started.Worked in an Agile TDD environment using SDLC tools like GIT, Jira, Jenkins, and Maven to build packaging and deploy the application components.Implemented routing logic and navigation from screen to screen and implemented login functionality.Built stable React components and stand-alone functions to be added to any future pages.Developed the Drag and Drop functionality using React-Draggable.Achieved tangible results by adhering to the North Star architecture, such as [quantifiable achievements like revenue growth, cost reduction, market expansion, etc.].Implemented Spring Batch for processing high-volume transactions.Managed application dependencies using Ivy.Utilized JFrog for artifact management and distribution.Contributed to [specific positive outcomes] through strategic alignment with the North Star framework.Environment: Java 11, HTML5, CSS3, JavaScript, jQuery, AngularJS, Bootstrap, Spring MVC, Spring Boot, Spring Security, OAUTH2, Spring ORM, Hibernate, Microservices, SOAP, RESTful,React, Eclipse, Mockito, Jenkins, JMS, JSP, XSLT, XML, SQL, WebSphere, Maven, Log4j, JUnit, JIRA, GIT, Agile,Client: BANK OF TOKYO- JERSEY CITY, NJ Feb 2022- Jul2022Role: Full Stack Java DeveloperDescription: Digital lending platform is a comprehensive interface from Bank of Tokyo for managing loan sanctioning. It facilitates the loan application process along with instant decision based on the individuals/entity profile and risk assessment. It will be integrated with various internal systems as well as with external data marts to achieve this goal.Responsibilities:Involved in requirements gathering and requirements analysis and participated client meetings.Designed and implemented CAMUNDA workflows to automate communication process in cloud environment.Used CAMUNDA REST APIs Cockpit and JAVA APIs to be communicated with CAMUNDA engine.Implemented complex JAVA logic as CAMUNDA listener classes to handle and store business logic and validation.Implemented REST web service using spring rest for the core pricing applicationUtilizied JIRA to manage tasks, user stories, and project progress. Ensuring effective collaboration between team members and stakeholders.Involved in full life cycle of the application development using agile/scrum.Used React-Auto complete for creating Google Maps location search on the webpage.Developed interactive user interfaces using React to enhance the user experience.Built reusable React components and maintained state using Redux for efficient state management.Implemented LDAP for user security credentials authentication and for validating user roles.Creating different S3 buckets and write Lambda to move files from S3 to the instance and FTP server to S3.CI/CD with Jenkins knowledge using the Docker and Kubernetes.Manage application stability by checking server status, user count, performance queries, etc.Collaborated with front-end developers to integrate user-facing components with back-end services, ensuring seamless functionality and user experience.Implemented efficient DDL and DML scripts for Oracle RDBMS, optimizing data organization and access. Written complex DB views.Ensure project tasks meet the definition of done criteria, meeting all established quality standards and requirements.Take ownership of project closure, ensuring all project deliverables are successfully completed and signed off.Managed developers to ensure they were delivering new features on time and with high quality.Involved in Defect fixing and maintenance.Environments: Java 8, HTML5, CSS3, JavaScript, Bootstrap, CAMUNDA BPMN 2.0, CAMUNDA Moduler, jQuery, Ajax, Angular2, REST web services, SOAP webservices, Spring Boot, Spring IOC, Spring DI, Spring MVC, NAS, Hibernate Template, Micro Service, DB2, Mainframe DB2, OAuth, Active MQ, JBPM, LMA Logging, Junit, Mockito, Gradle, React, Jenkins, GitHub, VersionOne, Micro Services, VMs, Eclipse and IntelliJ IDE.Client: PayPal, Austin, Tx April 2019 Dec 2020Role: Full Stack Java DeveloperDescription: PayPal Holdings, Inc. operates an online payments system in most countries that support online money transfers and serves as an electronic alternative to traditional paper methods such as checks and money orders. The company operates as a payment processor for online vendors, auction sites and many other commercial users, for which it charges a fee. GOLD - Is a dispute management tool developed by PayPal to log, manage, and adjudicate conflicts that arise between end users and the merchants.Responsibilities:Involved in various phases of Software Development Life Cycle (SDLC) such as requirements gathering, modeling, analysis, design, development, and testing.Developed the view-controller components using JSPs, HTML5, CSS3, AJAX, JavaScript (jQuery).Implemented routing logic and navigation from screen to screen and implemented login functionality on the client side in Angular 6.Building stable React components and stand-alone functions to be added to any future pages.Developed the Drag and Drop functionality using React- Drag gable.Used React -Auto complete for creating Google maps location search on the webpage.Hands-on experience in developing integration with Elastic search in any of the programming languages like JAVA and JavaScript. Having knowledge of advance reporting using Elastic search and Node JS.Configured Kafka to read and write messages from external programs.Implemented core features of Angular 6 framework such as dependency Injection, Databinding, Filters, Directives, Templates, Services and Deep Linking Designing.Used Java8 features like stream and Lambda expressions.Maintained Interface compatibility and concurrency in the project using Java 8 new features like default, static methods, and Concurrency API.Used Java 8 Method References feature to point to methods by their names and used functional Interfaces.Responsible for creating an instance on Amazon EC2 (AWS) and deployed the application on it.Installed, secured, and configured AWS cloud servers and Amazon AWS virtual servers (Linux).Worked on AWS services to deploy static websites and dynamic Web Apps on EC2 using Elastic Beanstalk and Elastic Container Service-Docker and Kubernetes.Involved in creating EC2 instances and installed required configurations and applications on it and created S3 buckets for storing object level data into it.Used AWS Cloud Watch to monitor the application and to store the logging information.Used Spring MVC framework for implementing Model-View- Controller (MVC) architecture at the Web tier.Secured the API's by implementing Oauth2 token-based authentication/authorization scheme using spring security.Developed the monolithic application and involved in migrating existing monolithic application into Micro Service Architecture based RESTful Service and deployments were done on AWS.Designed and developed Micro Services business components using Spring Boot.Managed application dependencies using Ivy.Utilized JFrog for artifact management and distribution.Developed APIs to read and publish data from Elastic Search cluster using native Java Transport client as well as REST client. Worked on Spring Integration with the Elastic SearchUsed Hibernate ORM framework as persistence engine and wrote Hibernate Queries to automate the mapping between Oracle database and Objects in Java.Involved in writing SQL and Stored Procedures for handling complex queries with help of TOAD and access them through Java Programs from Oracle Database.Worked with MongoDB and Cassandra to store non-relational data into collection and retrieve them whenever required.Focused on Test Driven Development there by creating detailed JUnit tests for every single piece of functionality before writing the functionality.Performed automation testing and authored test scripts using Selenium Web Driver/ Grid and Junit.Worked in Agile TDD environment using SDLC tools like GIT, Jira, Jenkins, and Maven for build packaging and deployments of the application components.Orchestrated cross-departmental collaboration, breaking silos and ensuring every team's contribution was directed towards the overarching North Star goal.Led collaborative efforts that resulted in increased synergy among diverse teams, driving collective progress towards the North Star.Environment: Agile Methodology, Java11, HTML5, CSS3, JavaScript, jQuery, Ajax, Angular 6, AWS IAM, EC2, S3, RDS, SQS. Hibernate, Spring, XML, JSP, JAX-RS, Spring AOP, Spring security, Oracle, MongoDB, React, Cassandra, JSP, React JS, Docker, Kubernetes, GIT, JIRA, PL/SQL, STS, JUnit, Log4J, Maven, Jenkins, Kafka, WebLogic 7.1, WebSphere Application Server.Client: SDGE- SANDIEGO, CA Mar 2018 May 2018Role: Java/J2EE DeveloperDescription: IIOT Platform is the application platform designed for digital Industrial Internet of Things solutions. This Platform is the IoT edge-to-cloud foundation shared by GE Digital applications such as Asset Performance Management (APM) and Operations Performance Management (OPM). It supports innovative solutions by providing a common software foundation for fundamental IoT security, scalability, and services functions. By leveraging Amazon Web Services (AWS) while adding critical functions, the Platform provides a common application foundation, shared user experience, rapid-time-to-value, and the customer economy of a purchase-once investment in secure and scalable IoT software infrastructure.Responsibilities:Developed reusable component libraries using J2EE technologies and Application servers to save time and increase productivity.Increased the number of active users on the website by 60% and increased page views to 1.5 million page views per monthCreated an inventory management system that reduced the time to capture data by 80% and reduced the number of errors by 40%Designed and developed an application using representational state transfer (rest) style architecture.Involved in requirements gathering and requirements analysis and participated client meetings.Involved in full life cycle of the application development using agile/scrum.Extensively used hibernate validation framework has been used for front end validations.Designed and developed an application using representational state transfer (rest) style architecture.Involved in estimating the tasks, code reviews, defect tracking and resolving technical issues.Involved in high level and low-level design of all the web applications and contributed towards detail design specifications for the web applications.Environment: Java, HTML5, CSS3, JavaScript, jQuery, AngularJS, Bootstrap, Spring MVC, Spring Boot, Spring Security, OAUTH2, Spring ORM, Hibernate, Microservices, SOAP, RESTful, Eclipse, Mockito, Jenkins, JMS, JSP, XSLT, XML, Unix Shell Scripts, SQL, RabbitMQ, WebSphere, Maven, Log4j, JUnit, JIRA, GIT, Agile, NAS(North Star Architecture).Client: United HealthCare, San Jose, CA Jun 2017 - Feb 2018Role: Java/J2EE DeveloperDescription: The objective of this project was to concentrate on the account setup and processing enrollments for Health Insurance Exchange subscribers including Individual and Family enrollments. The project was divided up into four domains Membership and Billing, Reporting, Marketing and lastly Claims.Responsibilities:Designed and Developed Spring Restful Services for the modules with Spring Boot in PCF.Built a project using Gradle, Jenkins and achieved Continuous Integration and Delivery(CI/CD ).Ability to view / Search Mule ESB responses in Splunk Mule ESB viewer.Actively involved in troubleshooting ESB issues during failures in Splunk.Integrated Code coverage using Sonar plugins.Developed Application in TDD and used Agile methodologies for Sprint PlanningDeveloped BIZ APIS with GET, PUT, POST, PATCH, DELETE crud operations. (Both Consumer &Producer)Developed DAO classes and implemented JPA framework using Spring Data.Built Junits using TDD approach for unit testing.Deployed application in the C3 Server built on Amazon AWS.Developed applications using Wicket for simplified Java web development.Implemented Hibernate 5 for object-relational mapping and data access layer.Maintained Source Control in GITInvolved in the development of user interface using HTML5, CSS3, JavaScript, Bootstrap, jQuery, Ajax, Angular2, UX.Developed a web page using AngularJS.Used Jenkins for Continuous Integration and Maven for Deployment.Environment: JAVA, J2EE, JSE, JMS, HTML, CSS, Ajax, JSP, JavaScript, AngularJS, NodeJS, Spring, Hibernate, MVC, Restful Web Service, SQL, Mongo DB, IBM Web Sphere, SQL Server, JUnit, Jira tool, Maven, JIRA, IntelliJ, Oracle, OAuth, XML, DOM, Unix Scripting, GIT.Client: Capital One, Hyderabad, India Aug 2015 - Dec 2016Role: Java/ J2EE DeveloperDescription: Capital one is an American bank holding company that specializes in credit cards, auto loans, banking, and savings account. This project has been designed to provide a ledger of all the customers who have taken auto loans and provide them with better information on how much they owe from month to month and provide new functionalities depending on the user experience.Responsibilities:Performed analysis for the client requirements based on the developed detailed design documents.Developed Use Cases, Class Diagrams, Sequence Diagrams and Data Models using Microsoft Visio.Developed STRUTS forms and actions for validation of user request data and application functionality.Developed JSPs with STRUTS custom tags and implemented JavaScript validation of data.Developed programs for accessing the database using JDBC thin driver to execute queries, Prepared statements, Stored Procedures and to manipulate the data in the databaseInvolved in developing business tier using stateless session bean.Used JavaScript for the web page validation and Struts Valuator for server-side validation.Designing the database and coding of SQL, PL/SQL, Triggers and Views using IBM DB2.Developed Message Driven Beans for asynchronous processing of alerts.Used Clear case for source code control and JUNIT for unit testing.Involved in peer code reviews and performed integration testing of the modules.Environment: Java, J2EE, Struts, JSP, JDBC, EJB, ANT, XML, IBM Web Sphere, JUNIT, DB2, Rational Rose, CVS, UNIX, Clear Case. |
