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Bhanu - Java Full Stack Developer

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Location: Remote, Remote, USA

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Visa: H1B

Bhanu Java Full Stack Developer 3614158884 [email protected] H1B PROFESSIONAL SUMMARY: 8+years of professional experience as a Core Java developer, experienced in implementing and developing complex applications. Involved in Software Development Life Cycle (SDLC) which embraces Design, Development, Implementation and Testing of enterprise business applications using Java. Worked on Apache Flink to implement the transformation on data streams for filtering, aggregating, and updating state. Experience in developing enterprise level solution using batch processing (using Apache Pig) and streaming framework (using Spark Streaming, apache Kafka & Apache Flink). Well versed with J2EE Design Patternslike DAO, Service Locator, Value Object, Business Delegate Pattern, Front Controller Pattern, Singleton, MVC, Session facade etc. Worked extensively with JAVA 8 features like Time API, Functional Interfaces, CompletableFuture, Optionals, Multithreading, Transaction Management, Exception Handling, Collection API. Diverse experience utilizing tools in N-tier and Microservices architecture applications using Spring Boot, Spring Cloud config, Netflix OSS components(Eureka, Zuul, Hystrix), Pivotal Cloud Fundry, AWS, Rabbit MQ, Kafka, Zookeeper, Cassandra, My SQL, Restful Web Services. Having expertise knowledge and experience on Java 8 features like Functional Interfaces Multithreading, Collection API, Exceptional Handling, Time API and Stream API. Extensive experience in developing scalable, reliable, efficient web and enterprise applications using JSP, Servlets, Struts, JSF (Prime Faces) Strong hands on experience with Spring IO and Spring Boot. Implemented the microservices architecture based on RESTful API using Spring Boot with Spring MVC. Experience designing and developing various Angular 8.0 Components (ngModules), Services(observable/promises), Directive, and Pipes. Proficient in implementing frameworks such as Structs, Spring MVC and AJAX frameworks. Excellent experience using ORM tools like Hibernate and Ibatis. Expertise in using Spring frameworks like (CORE, AOP, DI, SECURITY, IOC). Expertise in using spring JPA as hibernate and used JPA as reference. Hands-on experience in development of Microservices and deploying in Docker. Experience in implementing microservices using Spring Boot applications. Have experience using ODM frameworks to connect asynchronous environment with Mongoose Connector and Cassandra Node Driver. Experienced in creating, producing and consumption of services like request-response by using JMS Active MQ. Strong experience in developing Dynamic Single Page Application (SPA) using MEAN (Mongo, Express Angular and Node) full stack development tool kit. Strong understanding on client -side frameworks Angular 4.x for attaining architectural design flow of MVC using dependency injection, pipes, directives and promises. Proficient in using Spring (transaction support modules and JPA), Spring Websphere (for transferring data to database). Experienced in using Enable Caching which has multiple implementation such as EhCache 2.x, Redis and Couchbase. Configured Session Factory for Hibernate mainly used for Create, Read, and Delete operations for instances of mapped entity classes. Developed projects with RESTful services (JAX-RS, Spring Rest). Implemented security to RESTful web services using OAUTH 2.0. Worked on different SQL databases like MySQL, MS SQL Server, Oracle 11g. Also worked on NoSQL databases MongoDB, Apache Cassandra, Raven DB, Dynamo Db, Couch DB. Having good experience in writing Joins, clauses, store procedures, triggers, cursors using PL/SQL in JDBC, ODBC and WebLogic server. Implemented pl/sql scripts, triggers, store procedures and views. Expertise in using front end applications using HTML 5, CSS 3 mainly for styling and view rendering. Having strong experience on JavaScript and implemented ES6 features such as Template literals, Multi line Strings, Block scope and Modules. Experience in Spring Framework such as Spring IOC, Spring Boot, Spring Cloud, Spring DAO, Spring ORM, Spring MVC, Spring Rest, Spring Resources, Spring JDBC, Micro-Services. Good understanding of global level process about Microservices architecture and SOA. Good knowledge on application of Spring Cloud-Netflix OSS for microservices deployment and configuration of Hystrix, Zuul a gateway for routing with Eureka for routing stability. Implemented Splunk and kibanana and log management with ELK. Implemented Elastic search cluster API that allows us to manage and monitor Elasticsearch cluster. SOAP (JAX-WS, Apache CXF, WSDL, Apache Axis2) and automated the documentation using Swagger and WSDL. Developed projects using SOAP and RESTful webservices and automated documentation using Swagger, WSDL(SOAP) and WADL(REST). Good knowledge and implemented on providing authentication and authorization for web services using OIDC and Spring security. Used Single Sign On (SSO) to have access control on multiple independent software systems Good Knowledge in Amazon Web Services (Amazon EC2, Amazon S3, Amazon Simple DB, Amazon Elastic Load Balancing, Amazon SQS, Amazon EBS and Amazon Cloud Front). Well experienced with build tools like Gradle, Maven and ANT. Experience in Developing automated scripts for Regression Testing through Selenium and Cucumber Web Drivers. Exposure to Behavior Driven Development using tools like Jbehave, Concordian. Worked on different server such as Apache Tomcat, WebLogic and Jboss for configuring and deployment of the application Responsible for migrating existing modules in IBM MQ to Apache Kafka and worked on creating Kafka adaptors for decoupling the application dependency. Implemented a metrics collection mechanism for the server by utilizing Apache Kafka to stream server-side events. Used Docker Container to address every application across the hybrid cloud and Docker for better collaboration and innovation. Deployed the Zero Down Deployment using Kubernetes orchestration service application. Experienced in developing microservices using Spring Boot and deploying them in the Pivotal Cloud Foundry (PCF). Implemented Pivotal cloud foundry (PCF) to deploy IAAS or PAAS and to run own applications. Automated the deployment process by integrating code repository using build pipeline Jenkins, Bamboo and GoCD for Continuous Integration and Continuous Deployment that can run on the cloud or on-premises. Good practical experience with Java-based logging utility. i.e. log4J., sl4j, log common. Experience in Java Thread Dump Analysis and familiar with thread dump techniques. Good Experience in software configuration management using SVN, GitHub, GitLab, Bitbucket. Strong Knowledge on automated java-based integration testing and behavioral testing of the application using Selenium (connects you to your browser), Unit testing, Junit4, TestNg, (organizes the tests) Mockito, (power mock for mock) and for rest testing mockmvc and fluentAPI, mockers service server for spring rest template template testing. Technical Skills: Programming Languages Java, C, C++, PL/SQL, JavaScript Web Technologies HTML5,CSS3,AJAX,JSON,Bootstrap,jQuery, Angular2.0/4.0,Angular6.0/8.0 Redux, Ember JS, Knockout JS, Back Bone JS, Handlebar JS, NodeJS, Express JS, Hapi JS J2EE Technologies & frameworks Servlets, EJB, JSP, JSF, JDBC, SOAP, WSDL, REST, XML, JAXP, JAXB, JPA, JMS, Spring3.x/4.x/5.x, Hibernate, Spring MVC, Spring Boot, Spring Data, Spring Batch, Spring cloud, Dump Analysis. Databases Oracle 8i/9i/10g/11i, DB2, SQL Server 2000/2005/2008, MYSQL, MongoDB, Raven DB, Cassandra Application/Web Servers Oracle Web logic, IBM Web Sphere, JBoss, Glassfish, Apache Tomcat Messaging Services JMS, Active MQ, Rabbit MQ, IBM MQ, Apache Kafka WebserviceFrameworks JAX-RS, JAX-WS, Axis, Jersey SoftwareMethodologies Agile, Scrum, TDD, Waterfall Build & Configuration Tools Ant, Maven, Gradle, Jenkins, Bamboo Gulp, Grunt, Webpack, NPM, Bower Testing Tools Junit, TestNG, Mockito, Jasmine, Karma, Mocha, Chai, Spock, Protractor Version Control Tools GIT, SVN, CVS, Bitbucket, TFS Project Management Tools JIRA, Rally, Microsoft Project Cloud Technologies & DevOps Tools AWS, PCF, EC2, EBS, S3, Docker, ECS, EBS, EKS, SQS, RDS, S3, Glacier, Lambda, Kubernetes Operating System Windows, Linux, Unix, MA-OS 10.13.2 IDE s Eclipse, Visual Studio, IntelliJ, Spring Tool Suite, Sublime Text, WinSCP, Putty EDUCATION: B.Tech- VIGNAN UNIVERSITY (2015) PROFESSIONAL EXPERIENCE: Client:Amex, Phoenix, Az. Mar 2021 - Present Role: Lead Java full stack Developer Responsibilities: Implementation of the design wireframe using React/Angular 8.0 and exposing backend services which runs on Spring Boot. Here we also have another layer that makes use of NodeJS mainly used for authentication, authorization, and session maintenance. Implemented the complete set up with configuration file changes from React and Angular 6 to Angular 8. Whilemigrating the project which involved converting angular components and updating router Modules. Involved in the development of real time streaming applications using PySpark, Apache Flink, Kafka, Hive on distributed Hadoop Cluster. Utilized Apache Spark with Python to develop and execute Big Data Analytics and Machine learning applications, executed machine Learning use cases under Spark ML and Mllib. Good knowledge of Lambda expressions, Time APIs, and Java 8 core features Deployed the drools rules as a service in the J2EE stack environment Wrote services with React/Angular6 to store and retrieve user data from the DB for the application on devices with HTTP service. Developed key services for authorization and authentication in Node server, where we used LDAP. Later migrated the authentication from LDAP to Ping Access-SSO (Single Sign On) Application. Involved in multi-tiered J2EE design utilizing Spring Inversion of Control (IOC) architecture and Spring JPA. Implemented point-to-point IBM MQ for programmatical communication and later worked on enhanced implementation on P/P IBM MQ to IBM MQ Made use of Reactive Forms using React/Angular 8.0 where most of the validation is done using component rather than using template-driven which provides in HTML. Involved in writing test cases using jasmine-karma, Test Bed and maintained a stable code coverage with maximum threshold. The application is built in Micro Service Oriented Architecture using MEAN 4+ (Mongo, Express React/Angular 8.0 and Node) stack and developed Single Page Applications (SPA). Developed the business logic code in Core Java/J2EE, Struts, JDBC. Mainly involved in deployment activities CI/CD deployment and familiar with OSE (Open shift origin). Also made changes in Jenkins Files as per the requirement of the pipeline. Worked on Kubernetes cluster as a part of deployment activity. Familiar with Open Shift commands mainly for deployment. Implemented features like Actuator in Spring boot for monitoring and tracing my application. Developed controller classes, complex services, database integration and backend process. Developed Microservices using Spring MVC, Spring Boot, and Spring Cloud. Involved in web services design and development. Responsible for creating and consuming web services using REST and XML. Implemented Java EE components using Spring MVC, Spring IOC, Spring transactions and Spring security modules. Implemented transaction management using Spring AOP and used Spring Aspects for implementing logging functionalities. Worked in integrating JMS with SPRING BOOT by providing an instance which is embedded with Active MQ. Programmed J2EE application to manage transaction reports for Oracle Financials Application Processes. NODE PACKAGE MANAGER (NPM) was used to list out the right versions of the packages and their dependencies for the project. Authenticating Users and to provide the security to RESTful web services using O-AUTH 2.0. Deployed Spring Boot based microservices in Docker and Amazon EC2 containers using Jenkins. Extensively used Spring IOC configured Application Context files and performed database object mapping using Hibernate annotations. Implemented Spring Validators, persistence layer, and service layer components using Spring/Hibernate API and Spring/Hibernate annotations. Extensively used Hibernate QL. Created dynamic schema design through NOSQL-CouchDB by writing rich queries and achieved data in a collection to be distributed across multiple systems for horizontal scalability. Have experienced developing web applications using Bootstrap, Code Mirror, Brackets and Ember.js. Involved in the creation of interface to manage user menu and Bulk update of Attributes using Node.JS and jQuery. Developed and configured JMS components in WebLogic Application Server. Developed test cases for each component in different panels using Junit, reported and deployed using Jenkins. Used Microservices architecture, with SpringBoot based services interacting through a combination of REST and SpringBoot. Designed and developed the framework to consume web services hosted in Amazon EC2 instances. Building cloud Microservices and implemented back-end using Spring Boot. And Authored application using Spring Cloud services (spring version of Netflix OSS-Eureka that helps in routing, Circuit Breaker and Ribbon for client-side load balancing). Implemented Spring Cloud-Netflix ZUUL to build micro services for communication. Implemented a metrics collection mechanism for the server by utilizing Apache Kafka to stream server-side events. Used Apache Kafka in cluster as messaging system between APIs and microservices and worked on Splunk SPL (Search process language) queries, reports and logging using Log4j. Used Docker Container to address every application across the hybrid cloud and Docker for better collaboration and innovation. Designed, configured, and deployed Amazon Web Services (AWS) for a multitude of applications utilizing the AWS stack (Including EC2, S3), focusing on high-availability, fault tolerance, and auto-scaling. Configured AWS EC2 instances, domain mapping via Route53. Environment: JavaScript, HTML5, CSS3-LESS, Spring Security, Rabbit MQ, Express JS,Bootstrap4.0, Hibernate4.x,OIDC, Eclipse Java EE, Jenkins, Log4j, Redis, Mongo DB, Mongoose Connector, Oracle, JBoss, Kibana, Elastic search, Logstash, EBS, Elastic Load Balancer, Docker, Apache tomcat, Selenium, Spock, Karma, Jasmine, Mockito, Junit, mock MVC, Kubernetes, Dump Analysis, Netflix Zuul, Eureka, Swagger-OAuth 2.0, Maven3.0. Client: IBM, North castle. Jan 2020 Feb 2021 Role: Full Stack Engineer Responsibilities: Designed and developed Micro Services business components using Spring Boot. Implemented the Project structure based on Spring MVC pattern using Spring Boot and persisted data to MongoDB using Spring Data. Experienced in implementing the Node.js server-side code along with the Express framework to interact with MongoDB to store and retrieve data by using the Mongoose package. Designed and developed applications using Apache Spark, Scala, Python, Nifi, S3, AWS EMR on AWS cloud to format, cleanse, validate, create schema and build data stores on S3. Populated HDFS and PostgreSQL with huge amounts of data using Apache Kafka. Developed python scripts to automate data ingestion pipeline for multiple data sources and deployed Apache Nifi in AWS. Used MongoDB internal tools like Mongo Compass, Mongo Atlas Manager & Ops Manager, Cloud Manager etc. 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). Worked on MongoDB database concepts such as locking, transactions, indexes, Shading, replication, schema design. Used Node.js and Express.js to develop the relevant back end RESTful API. Extensive use of Node.JS, Express JS, and Mongo DB along with Mongoose to create server-side applications. Establishing Restful API'S using NODE.JS and application backend implemented as NODE.JS application server. Used JavaScript ES6 in Node.js runtime environment to build RESTful APIs and to import data. Developed single page applications using React Redux architecture, ES6, web pack and grunt. Implemented OAUTH 2.0 authentication protocol and provided OAuth 2.0 token implementation guidelines for enterprise web API security model. Used Webpack for bundling our application which takes JavaScript application and bundling it all together with its dependencies. Introduced and implemented Webpack infrastructure to modernize JavaScript practices by extending ES6 through babel loaders. Developed Micro Services based API using Spring Boot and Spring Data. Implemented storing the High-volume transaction data in NOSQL Databases using Spring Data. Scaled microservices, distributed systems and serverless applications using Simple Queue Service(SQS). Developed common reusable component libraries (CRUD Scaffolding) to be reused in different projects throughout the company's IT team using GWT, Spring Data, JPA. Automated the front-end workflow using NPM. Automated testing using Mocha and Chai. Created producers, consumer, and Zookeeper setup for oracle to Kafka replication. Design and build a large-scale global Docker Container-as-a-Service. Design and build Docker tools and integrations like Docker images and Docker Plugins. Worked on Docker container implementation for the Enterprise build system. Micro services have been built using spring boot, Netflix OSS, Spring Cloud and deploying to AWS Cloud. Speeding up Existing Applications with a Cache services using Redis Cache,Gem fire. Implemented AWS solutions using E2C, S3, RDS, EBS, Elastic Load Balancer, Auto-scaling groups and used AWS SDK to connect with Amazon SQS for bulk email processing. Created instances in AWS as well as migrated data to AWS from data Center using snowball and AWS migration service. Worked on using Rule Engines, Drools with corresponding to validate the business User Roles. Worked with a team to develop and maintain an internal Log Delivery System, utilizing various Apache products, Kafka, and Tomcat. Environment: Mongo DB, Express JS,Spring Boot, Redux, ES6, Web Pack, Grunt, NPM, OAuth 2.0, Spring Data, Mocha, Chai, Kafka, Docker, Spring Cloud, AWS, Drools. Client: Experion technologies, Plano, Texas Nov 2018 Dec 2019 Role: Senior Java full stack developer Responsibilities: Worked on Lambda Expressions, Functional interfaces Stream API's, Time API, and Improvements on Collection, Concurrency, and IO improvements by using Java 8. Lead the team in developing real time streaming applications using PySpark, Apache Flink, Kafka, Hive on distributed Hadoop Cluster Developed and implemented Restful Web APIs, and exposes endpoints using HTTP methods like GET, PUT, POST and DELETE. Implemented multi-threaded synchronization processes, with JMS queues for consumption of Asynchronous requests. Experience used Spring Boot which is radically faster in building cloud Microservices and develop a Spring-based application wif very less configuration. Implemented light weight WADL (Web application description Language) for better understanding of Rest based web services and its configuration. Used multithreading for writing the collector parser and distributor process, which was getting real-time data from Zacks API in format of JSON, using multithreading improved the performance by a lot. Moreover, using concurrency package of collections made it thread safe. Performed unit testing using JUNIT framework and tested DAO's and Business Services Provide 24x7 support to the application in pilot and production phases. Support included being on conference calls, identifying and fixing bugs, investigating reasons for specific application behavior. Written complex SQL queries, Stored Procedures and Functions in PL/SQL for manipulating the data. Developed Servlets for server-side transactions and made use of AJAX for server-side processing without refreshing JSP page. UsedAJAX and JavaScript for Client-side validations. Used HTML5 wireframes with CSS provided by the design team. JS is used to make it dynamic Programmed J2EE application to manage transaction reports for Oracle Financials Application Processes. Designed new classes and functionalities using various JQUERY components for CRM application for customer service. Migrated technology from Angular 1.0 to Angular 2.0 to use upgraded features such as Angular Components and Angular Routers as per the strategy requirement. Developed application using Spring JPA, Angular 2.0 on the presentation layer, the business layer is built using spring and the persistent layer uses Hibernate. Extensive professional experience in Developing and Deploying enterprise applications on web/application servers such as JBOSS EAP 5.1, Tomcat 5.x/4.x, IBM WebSphere 6.x/7.x, Web Logic under Windows OS and UNIX Used Message body Writer for converting Java types streams. Built Java Security Aplite add security and authentication to my application. Used Maven for compiling and building the code. Used Subversion for configuration Management and Jira for task management and bug tracking. Extensively used Jenkins as Continuous Integration tools to deploy the Spring Boot with Microservices to Pivotal Cloud Foundry (PCF) using build pack. Deployed our application on Pivotal Cloud Foundry (PCF) which is used to reduce the development overhead by providing a ready to use platform. Involved in bug fixing during the System testing, Joint System testing and User acceptance testing. Deploying the applications and binding third party services like App Dynamics on Pivotal Cloud Foundry (PCF). Experience in generating Reports and Dashboards on Dynatrace and Splunk Configured Bambooto handle application deployment on Cloud (PCF)and to integrate with Git Hub version control. Environment: HTML5, CSS3, J2EE, AJAX, Bootstrap, JSON, XML, Active MQ, JMS, Hibernate, DB2, SOAP-AXIS2, Restful services, JAX-RS SOA, Eclipse Java EE IDE Neon.3, Git, Log4j, DB2, Maven, TestNg, WADL,PCF. Client:Strategic logistics, Coimbatore, India. Nov 2015 Oct 2017 Role: Software engineer Responsibilities: Java message queue (JMS) is used for exchanging the information and messaging services. Developed SOAP web services (JAX-WS) for sending and getting data from different applications WSDL generation and exposed the service at server-side. Services instances are created on AWS and worked on Code pipeline wif Tomcat, Swagger are installed and used for deploying Microservices. Developed and implemented the MVC architectural pattern using Struts Framework including JSP, Servlets and Action classes. Designed and integrated the full-scale Struts/Hibernate persistence solution with the application architectures. Developed DAO pattern to retrieve the data from database. Database and Implementation skills with ORM frameworks Implementation skills with ORM frameworks like Hibernateand MyBatis Build and maintain SQL scripts, indexes, and complex queries for data analysis and extraction. Created many Stored procedures and scheduled jobs to support our applications for to create reports for customers. Created PL/SQL procedures, functions and written complex SQL queries for C2C resume builder Worked with the QA team to solve the issues related to the development. Involved in system integration and solved the production issues. Used JavaScript and jQuery for validating the input given to the user interface. Used jQuery to build accordion style content, drag and drop functionality, calendar, popup and modal windows. Develop web applications using Object Oriented Programming language JAVA and J2EE Technologies such as JSPs, Servlets, JSON, AJAX. Performed many DOM manipulations using Native JS and jQuery for loading and manipulating dynamic content on webpages. Used Backbone JS to utilize minimal set of data-structuring and user interface primitives for building a MVC workflow design. Worked on JSP, Servlets, Struts framework and production support issues of the existing applications. For messaging, used Message Driven Beans for consumption of JMS. Involved in deploying the application. Worked on MAVEN to build the application. Extensively involved in Unit testing and coordinated with the testing team and fixing Bugs at various stages of the application development. JUnit frameworks were used for performing unit and integration testing by writing test cases. ANT was used as a build tool. Also worked in an agile work environment. Used Log4j for logging errors, messages and performance logs. Deployed application on Client Linux server. Experience in installing, configuring and deploying application on Web Logic Server. Environment: Core Java, J2EE, JSP, HTML, MVC, Servlets, Struts, JMS, MDB, EJB3.1, JUnit, DAO, Web Logic Server, Ant, SOAP, JAX-WS, WSDL, Junit, SQL. Keywords: cprogramm cplusplus continuous integration continuous deployment quality analyst machine learning message queue javascript sthree database information technology microsoft procedural language Arizona Massachusetts