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MAHENDRAEmail: EMAIL AVAILABLE PH: PHONE NUMBER AVAILABLESr Full Stack Java Developer https://LINKEDIN LINK AVAILABLEProfessional SummaryTen years of Full Stack development experience in all phases of the Software Development Life Cycle (SDLC) which includes Analysis, Design, Development, Implementation, and Testing of web-based, enterprise business applications in different application architectures like Monolithic, Service Oriented Architecture, Microservices, N -tier and Event-driven.Experience working with various frameworks in Spring such as Spring IOC, AOP, Spring transaction Management, Spring Data, Spring Batch, Spring JPA, Spring IO, and Spring Security.Experience working with Microservices using J2EE Web Services based on Spring Boot and created dynamic documentation of RESTful endpoints using Swagger APIExpertise in developing and deploying Microservices-based applications using Spring Boot and Spring Cloud.Proficient in using Spring Data JPA that helped create automatic Data Access Objects (DAOs) at the compile time.Expertise in interacting with relational databases using ORM frameworks like Hibernate, Spring Data, JPA, Java Persistence API (JPA), and hibernates second-level cache  EHCache.Have good knowledge of different databases like PostgreSQL, MySQL, Oracle 13c/11g, Microsoft SQL Server, Oracle SQL, NoSQL DB (MongoDB, Cassandra, Couch DB, Redis, DynamoDB) and good experience in writing stored procedures, functions, and triggers using PL/SQL in ODBC and in WebLogic server.Expertise in Client-Server application development using Oracle, PL/SQL, and SQL.Experience in developing custom filters and model-driven forms in Angular and linking them with HTML.Experience in developing applications using React JS for view rendering and implementing React JS with Redux and Flux patterns to attain MVC functionality.Experience in building CI/CD pipelines using Hudson, Bamboo, Jenkins, and TeamCity for end-to-end automation for all builds and deployments.Experience with CI/CD pipelines to integrate the Java code to align with DevOps practices using Docker.Experience in using Kubernetes Linux container for deploying and scaling containerized applications.Well experienced in using various AWS (Amazon Web Services) IAAS (Infrastructure as a Service) Components like EC2 for running applications on virtual machines, S3 and Glacier for storing and long-term backup of data, EBS for persistent block-level storage, Elastic Cache, DynamoDB, SQS for message queueing, RDS for setting relational database in cloud and Lambda for serverless program functions.Good knowledge of Microsoft Azure, Cloud Services, Azure Storage, and Azure performance optimization.Experience working with both Agile/Scrum and Waterfall environments.Experience in configuring and deploying applications on different servers such as Apache Tomcat, Web logic, IBM WebSphere, and JBoss.Experience in Unit testing web services using Junit, Mockito Easy mock, Spring Junit Runner, Spock, and Test NG hence achieving the goals of Test-Driven Development (TDD).Good knowledge of providing authentication and authorization for web services using OIDC (OpenID Connect) on top of OAuth 2.0.Efficient in creating access tokens using JWT (JSON Web Token) to assert claims.Experience in handling message queues using Rabbit-MQ, Active-MQ, and Apache Kafka.Experience building real-time dashboard applications for visualizing, analyzing, and exploring data on Apache Web servers using Elastic Search, Logstash, and Kibana 4.0 (ELK), Splunk.Good knowledge in employing database caching strategies using Redis, MongoDB Elastic search.Good practical experience with Java-based logging utility. i.e., log4J.Experience working with JIRA to track the status of the application.Exceptional ability to quickly cooperate and master new technologies.Write Scope Scripts to handle multi-million rows and for daily loading data from the COSMOS Server and scheduling the data load using DataGrid.Write Kusto (KQL) and Cosmos Queries (SCOPE) and publish the data into Power BI.Good experience in creating the IAM Service: IAM Policies, Roles, Users, Groups, and service accounts through Terraform Scripts.Defined masking rules after performing PHI analysis on sensitive information (PII & PHI).Professional ExperienceSr Full Stack Java DeveloperBNY Mellon, New Jersey, NY 06/2022 to PresentResponsibilities:Involved in Design, Development, and implementation of business applications using Java/J2EE Technologies.Designed and developed the REST-based Microservices using the Spring Boot.Configured Spring MVC Annotation to manage URL mapping with controllers for the communication between the front end and middle tier.Used Microservice architecture with Spring Boot-based services interacting through a combination of REST and Apache Kafka message brokers.Used Spring Core for IOC implemented using DI and developing Restful web services.Used Spring Boot Actuator to monitor and manage the application in a production environment.Configured Spring cache and Hibernate cache to avoid unnecessary database access.Implemented Spring Netflix Zuul API gateway and Eureka service registry for reverse proxy and Dynamic service discovery of APIs.Created dynamic schema design through Oracle SQL and 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 Sharing.Used Cassandra for storing internal statements and reports and worked in Development which includes updating and retrieving data internally from the back-end Cassandra.Developed multiple Angular 14.0 components that are compatible with the latest versions of typescript, and angular CLI.Designed and developed efficient user Interaction screens using HTML5, CSS3, and Bootstrap CSS framework and media queries to create responsive web pages.Spring Controllers were used with Angular JS to route the control to desired Java services.Implemented filters for user authentication and user authorization by Spring Security.Authenticated the Users to provide security to RESTful web services using OAUTH 2.0.Implemented RabbitMQ for Asynchronous Processing: Enhanced system performance and scalability by decoupling services and handling high transaction volumes efficiently.Worked with Jenkins to configure Continuous Integration and Continuous Deployment (CI/CD).Configured Kubernetes in the application for automating deployment, scaling, and management of containerized applications.Deployed Spring Boot-based microservices Docker container using Amazon EC2 container services and using AWS admin console.Used Git for version control. Analysed and resolved conflicts related to the merging of source code.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.Implemented a 'serverless' 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 the S3 bucket.Developed the applications following Agile Scrum, participated in daily stand-ups, sprint reviews, and Kick-offs, and used Jira for project management.Performed Unit testing, Integration Testing, and generating of test cases for web applications using JUnit, and Log4J.Used Kafka streams as a message bus and developed data pipelines to ingest data to NoSQL data stores like Cassandra.Environment: Java, Angular 2/4/5/14, Angular JS, J2EE, Git, Spring Boot, Hibernate, Core Java, Rest, Web Services, CSS, Cassandra, Eclipse RCP SASS, JIRA, PostgreSQL, AWS, Kubernetes, Docker, OAUTH 2.0, Spring Cloud, Spring batch, PCF, Apache Kafka, JUnit, Docker, Maven, Jenkins.Full Stack Java DeveloperCentene, St. Louis, MO 01/2022 to 05/2022Responsibilities:Developed Microservices using Spring MVC, Spring Boot, and Spring Cloud.Used Microservices architecture, with Spring Boot based services interacting through a combination of REST and Spring Boot.Used Spring Boot which is radically faster in building cloud Microservices and developing Spring based applications with very less configuration.Developed application on Spring framework by utilizing its features like Spring Dependency injection, Spring Beans, Spring Security, Spring JPA, Spring AOP, Spring IOC, Spring Web flow using MVC.Used Spring Transactions in the application and developed Session beans for the business logic at the middle tier level.Worked with Spring Batch to convert files to database records using Quartz Scheduler.Used Spring Boot Actuator to externalize application's configuration properties for different environments and RESTful web services using Spring Boot and Spring Rest.Implemented the Spring IOC for the core business application logic and used Hibernate as persistence framework.Worked on PL/SQL and created views, triggers, functions and stored procedures wherever necessary to improve the performance in MySQL database.Developed PL/SQL triggers and master tables for automatic creation of primary keys.Used Angular Reactive forms to implement complex forms and performed the validations using Form Builder.Used Angular Material components for developing the UI. Consumed RESTFUL web services using Angular HTTP Module and transformed the response using RXJS operators.Defined Angular routes using Router module for components at module level to enable lazy loading for modules and components.Developed CI/CD system with Jenkins on Kubernetes environment, utilized Kubernetes and Docker for the runtime environment for the CI/CD system to build, Test and Deploy.Configured and used JIRA for bug tracking and functional testing.Developed GIT controls to track and maintain the different version of the project.Used AWS Lambda with Step Functions to build the event-driven architecture and set up Amazon RDS to host Oracle 12c.Deployed applications on AWS by using Elastic Beanstalk.Created AWS Lambda using java to perform event driven processing.Participated in the application's requirement gathering, analysis, design, development, and testing utilizing the Agile process.Used JUnit framework for unit testing of application and Log4j to capture the log that includes runtime exceptions.Developed Kafka consumer's API in Scala for consuming data from Kafka topics.Used Kafka functionalities like distribution, partition, replicated commit log service for messaging systems by maintaining feeds.Environment: Microservices, Spring boot, Restful web services, PL/SQL, HTML5, CSS3, Angular, REST API, Load Balancer, MongoDB, REST administrations, Docker, SSO Authentication, Junit, Splunk, Kafka, Kubernetes, Docker, GIT, Jenkins, AWS Services, Elastic Cloud Compute (EC2).Java Full Stack DeveloperDaVita Healthcare, Denver, CO 12/2019 to 12/2021Responsibilities:Designed and developed Application based on Spring framework using MVC design patterns.Used Spring ORM module to integrate with Hibernate.Implemented Micro-services using Pivotal Cloud Foundry (PCF) platform build upon Spring Boot Services.Developed Spring DAO classes to manage database transactions using Hibernate.Used Rest Controller in Spring framework to create RESTful Web services and JSON objects for communication.Implemented the application using Spring Boot Framework and handled the security using Spring Security.Used Spring IOC, AOP, Spring Boot to implement middle tier.Developed various SQL queries and PL / SQL Procedures in Oracle SQL DB for the application.Developed MongoDB Data Access Layer implementing Mongo Repository interface from Spring Data.Used Angular to associate HTML elements to models, to provide dynamic user validations on the client side.Developed presentation layers using HTML5, CSS3, and Angular router to build single-page applications to navigate through the different statuses and multiple models.Worked on UI components using Angular Dependency Injection, Models, data binding, and controllers.Used JIRA for bug tracking and to create user stories.Used Jenkins for continuous integration and to automate and build the application to generate WAR and JAR files.Used GIT version control to track and maintain different versions of the application.Worked on infrastructure with Docker containerization and maintained Docker Images and containers.Utilized Kubernetes for the runtime environment of the CI/CD system to build, test deploy.Implemented Azure solutions using Virtual Machines (VMs), Blob Storage, Azure SQL Database, Managed Disks, Azure Load Balancer, Virtual Machine Scale Sets, Optimized volumes, and VMs, and created monitors, alerts, and notifications for VMs using Azure Monitor.Implemented a 'serverless' architecture using Azure API Management, Azure Functions, and Azure Cosmos DB, and deployed Azure Functions code from Azure Blob Storage.Created an Azure Function deployment script and configured it to receive events from the Blob Storage container.Experience working on Azure Cloud services, Azure storage, Azure active directory and Azure Service Bus. Managing Client's Microsoft Azure based PaaS and IAAS environment.Experienced in Azure laaS, Provisioning VM's, Virtual Hard disks, Virtual Networks, Deploying Azure Windows server, Microsoft SQL Server, Microsoft Visual Studio, Windows PowerShell, Cloud infrastructure.O Designed, configured and deployed Microsoft Azure for a multitude of applications utilizing the Azurg stack (Including Compute, Web & Mobile, Blobs, Resource Groups, Azure SQL, Cloud Services, and ARM), focusing on high - availability, fault tolerance, and auto-scaling.Used cloud watch to monitor the application and to store the logging information.Involved in Software Development Life Cycle for gathering requirements, Analysing, Designing, Developing, and Testing applications using Agile methodology.Implemented Test-driven development using frameworks like JUnit, Mockito, and Easy Mock.Configured Kafka to read and write messages from external programs.Configured Kafka to manage real-time data.Environment: HTML, CSS, JavaScript, Angular, Java/J2EE, Spring MVC, Restful Web Services, MongoDB, PL/SQL, Oracle DB, Microservices, Netflix, Spring DAO, Hibernate, Spring IOC, Spring Boot, Azure VM, Azure SQL Database, Azure Cosmos DB, Azure API Management, Azure Blob Storage, Jenkins, Kubernetes, CI/CD, Cloud watch, Junit, Kafka, MongoDB, Maven.Java Full Stack DeveloperKeyBank, Cleveland, OH 06/2017 to 11/2019Responsibilities:Designed and developed microservices-based applications using Spring Integration and Spring Boot framework.Developed different web applications using Java, J2EE, Spring, and Hibernate.Used spring dependency on the user access module and data access module.Used Spring Rest Template to use the exposed REST Web Services.Involved in developing code for obtaining bean references in spring framework using Dependency Injection (DI) or Inversion of Control (IOC) using annotations.Created new tables, PL/SQL stored procedures, functions, views, indexes and constraints, triggers and Required SQL tuning to reduce the response time in the application.Wrote SQL queries to build and validate the data in the database.Developed AngularJS Single Page Application consuming JSON data from Restful services.Used AngularJS framework for building web apps and is highly efficient in integrating with Restful services.Set up Build Infrastructure with Jenkins and Subversion server in AWS.Used Rally for defect management and to keep track of bugs and issues.Kubernetes is being used to orchestrate the deployment, scaling, and management of Docker Containers.Implemented GCP solutions using Compute Engine, Cloud Storage, Cloud SQL, Persistent Disks, Cloud Load Balancing, Autoscaler, optimized volumes, and Compute Engine instances. Created monitors, alerts, and notifications for Compute Engine instances using Stackdriver.Implemented a 'serverless' architecture using API Gateway, Cloud Functions, and Firestore. Deployed Cloud Functions code from Google Cloud Storage buckets.Created a Cloud Functions deployment function and configured it to receive events from the Cloud Storage bucket.Developed the application by using Scrum methodology in agile environment.Developed Junit test cases for all the developed modules.Configured Log4j for adding the debugging information in the code base.Maintained Kafka Cluster by created Topics. Partitions for point-to-point messaging.Environment: microservices, Spring Boot, Spring dependency, Java, J2EE, Spring, Hibernate, JSON, Restful services, PL/SQL, SQL, HTML, Angular JS, Jenkins, GCP Compute Engine, GCP Cloud SQL, Rally, Kubernetes, Docker, EC2, S3, Cloud watch, Cloud Trail, JUnit, Kafka.Software EngineerGenpact, Hyd, India 08/2014 to 02/2017Responsibilities:Performed analysis for the client requirements based on the developed detailed design documents.Python: Experience in writing clean and efficient Python code for various applications, including data analysis, web development, and scripting. Familiar with popular libraries such as NumPy, Pandas, and Flask.Scala: Hands-on experience in developing applications using Scala, particularly in functional programming and data processing with frameworks such as Apache Spark.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 JSP 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 database.Developed the application using J2EE architecture.Involved in developing JSP forms.Involved in developing business tier using stateless session beans.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 JDBC for database connectivity with MySQL Server.Used CVS for version control.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, Python, Scala, J2EE, Struts, HTML, JSP, JDBC, EJB, ANT, XML, IBM Web Sphere, JUNIT, DB2, Rational Rose, CVS, UNIX, Clear Case.Technical SkillsOS: Windows 7/10/ XP and Red Hat Linux, UNIXProgramming: Java 8/11, Python, Scala, Angular, React, GraphQLServer Scripting: JSP, JSP-EL, JSTL, Custom TagsClient Scripting: Angular 2/4/5/6/7/9/11/14, AngularJS, jQuery, JavaScript, CSS2, CSS3, HTML4, HTML5, React, NodeJS, Backbone JS, Express JSJava Frameworks: Struts, Spring, Spring Boot, Spring MVC, Web Services (Restful and SOAP), AOP, Spring JPA, Spring Web Flux, Spring Security, Spring WebDatabase Tools: Toad for Oracle, Toad for MySQL, SQL Developer, DBeaverDatabases: Oracle, MS-SQL Server, HSQLDB, MySQL, MongoDB, PostgreSQLMiddleware: JMS, IBM Data Power ESB (Enterprise Service Bus), MDM servicesVersion Control: Tortoise, SVN, GitHub, CVS, Bitbucket, SourceTreeIDEs: Eclipse, My Eclipse, IntelliJ, Visual Studio Code, Jet BrainsBuild Tools: ANT, Maven, GradleContinuous Integration: Jenkins, Hudson, ConcourseXML Tools: Altova XML Spy 2005,2008XML/Webservice Technologies: XSLT, JAXP, JDOM, SAX, DOM, XPATH, XPOINTER, XML, XSD, DTD, JAX-RPC, JAX-WS, JAX-RSWebservice Tools: SoapUI, PostManWebservice Implementations: Axis 1.0,2.1, JWSDP2.1, Sun Metro, Sun Jersey, Apache XFire, Apache CXF, CDI/MDM servicesApplication/Web Servers: Web logic 12x, Web sphere 6.1, JBoss 4.0, Tomcat 8, Apache Web Server, NginxUML Tools: MS Visio, Rational Rose, Oracle SQL DeveloperORM Fra ORM Frameworks: Hibernate, Spring JPADefect Tracking: JIRA, Bugzilla, ALMLog and Monitoring: Log4J, SLF4J, Grahana, Zipkins, SplunkMethodologies: Agile (XP, Scrum), Waterfall, KanbanCache Technologies: EhCache, Coherence, Redis cache.Batch Jobs: Cron, Spring BatchCloud Tools: AWS, GCP, Azure, PCF, Docker, Kubernetes,ECSTesting Frameworks / Tools: Junit, Mockito, Power Mock, Karma, Protractor, Test NG, Cucumber, Selenium.