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Full Stack Java Developer Resume

SUMMARY

  • Overall 7+ years of experience in requirements gathering, deployment of Web Applications, and client - server multi-tier applications using Java/J2EE technologies.
  • Experience working with different SDLC (Software Development Life Cycle) including Requirement gathering, Analysis, Design, Coding, Testing and Implementation like AGILE (SCRUM), TDD and Waterfall Models.
  • 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.
  • Expertise in the implementation of Core Java SE 8 concepts like Streams API, Lambda functions, Functional programming and Generics.
  • Unit tested web services using Junit, Mockito Easy mock, SpringJunitRunner, Spock, Testng and hence achieved the goals of Test Driven Development (TDD).
  • Worked extensively with JAVA 8 features like Time API, Functional Interfaces, CompletableFuture, Optionals, Multithreading, Transaction Management, Exception Handling, Collection API.
  • Widely used various open-source MVC architecture like Struts 2.0, Spring MVC and ObjectRelationMapping(ORM) Frameworks like Spring JPA with Spring Data, Hibernate, IBatis MyBatis and Spring JDBC.
  • Experience in Transaction usage, Servlets, JMS, Java Beans, Web Services, JNDI, Multithreading Executor Services.
  • Extensive experience in developing web applications using HTML5, XML, XHTML, DHTML, CSS, CSS3(Sass,Less), Bootstrap, JavaScript, DOM, jQuery, Ajax, JSON, and JSP.
  • Strong experience with EJB, Struts, SpringBoot, Spring framework implementing modules: Spring MVC, Spring Boot, Spring IOC, Spring IO, Spring AOP, Spring Security and Spring Data.
  • Strong understanding in implementation using Spring Cloud-Netflix OSS stack for microservices deployment and auto configurations like Eureka(Service Discovery Server), Ribbon(Dynamic Routing and Load Balancing), Hystrix(Circuit Breaker), Zuul(Edge Proxy) and Monitoring and centralized log analyses(ELK).
  • Good knowledge in building real-time dashboard applications using Splunk, ElasticSearch and Logstash (ELK) to profile and monitor the streaming data of the application.
  • Experience in Spring Security Framework for User Access Management, JWT token-based authentication and involved OAuth 2.0 configuration for authentication and authorization.
  • Developed real-time dashboard applications for visualization and analytics on Apache web servers using Kibana, Splunk, Grafana, SumoLogic and New Relic integrated with DataDog.
  • Extensively used Spring IOC to inject objects based on the selection of components like setter injection and Interface injection to manage the object references.
  • Good understanding on Server-side JavaScript structures like NodeJS, Hapi.JS, Express.JS.
  • Expertise in developing SOA(Service Oriented Architectures) and Microservice architectures using J2EE web services based on Restful(JAX-RS), SOAP(JAX WS), JAX-RPC and JAXR(Java API for XML Registries) using frameworks like Apache CXF, Jersey, Apache Axis.
  • 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.
  • Experience in integration tools like Spring Integration, Mule ESB, Apache CXF and Apache Camel to integrate the enterprise application technologies with existing JVM environments.
  • Good amount of hands-on experience in developing server-side JavaScript frameworks using Node JS (Hapi JS, Express JS) to build event-driven, non-blocking i/o model web applications.
  • Strong experience in building applications using the JavaScript Mean stack: MongoDB, Angular JS, Express.js and Node.js.
  • Strong experience in developing Dynamic Single Page Application (SPA) using MEAN (Mongo, Express Angular and Node) full-stack development tool kit.
  • Proven experience with Application Servers like IBM WebSphere, Oracle/BEA WebLogic, JBoss and Tomcat.
  • Experience in Message Queue(MQ) services like Apache Kafka, Rabbit MQ, Active MQ and IBM MQ.
  • Solid experience in integration tools like Spring Integration, Mule ESB, Apache CXF, Apache Kafka and Apache Camel to integrate the enterprise application technologies with existing JVM environments.
  • Worked on Node.js Fundamentals including Modules, Callbacks, Events, Streams and Error Handling by making use of its Core Features like Event-Driven, Single Threaded model and Non-Blocking I/O model.
  • Expertise to interact with relational databases using ORM frameworks like Hibernate, Spring Data, JPA, IBatis, MyBatis, Java Persistence API (JPA), Hibernate’s second level cache - Ehcache.
  • Professional experience in Log4J for extensible logging, debugging and error tracing.
  • Worked with Log4j for logging and used JUnit and Mockito for unit testing and integration testing.
  • Sound learning on the consistent mix and persistent deployment tools like Jenkins, Hudson, Travis, Puppet and Bamboo. Strong involvement in UNIX and Shell scripting to automate the build scripts.
  • Experience in integration testing tools like Selenium Web Driver, Cucumber(Behaviour Driven Development testing).
  • Experience in testing with JUnit Framework using Mockito and EasyMock, Spring Junit Runner, JMeter. Worked on testing JavaScript structures utilizing Mocha and Chai, Jasmine and Karma.
  • Expert in Various Agile methodologies like SCRUM, Test Driven Development(TTD), Incremental and Iterative methodology, Pair Programming, Agile Development & Testing using Software Development Life Cycle.
  • Good Knowledge in Amazon Web Services (Amazon EC2, Amazon S3, Amazon SimpleDB, Amazon Elastic Load Balancing, Amazon SQS, Amazon EBS and Amazon CloudFront).
  • Handled operations and maintenance support for AWS cloud resources which includes launching, maintaining, and troubleshooting EC2 instances, S3 buckets, Auto Scaling, DynamoDB, AWS IAM, Elastic Load Balancers (ELB) and Relational Database Services (RDS). Also created snapshots for data to store in AWS S3.
  • Experience in writing SQL queries in PL/SQL, Triggers, and Stored Procedures in Relational Database management systems like Oracle, MS SQL, MySQL and DB2.
  • Designed and created highly scalable, highly available, fault-tolerant, highly secured, distributed infrastructure (IAAS) using 2 EC2 instances, S3, EBS, API Gateway, Elastic Beanstalk, ECS and having experience on configuration management tools like Puppet, Chef, Docker and used AWS SDK for connection to Amazon S3 buckets as it is used as the object storage service to store and retrieve the media files related to the application.
  • Used Kubernetes Linux container for deploying and scaling containerized applications.
  • Good knowledge on Drools Rule Engines which corresponds to validating BRMS (Business Rule Management System).
  • Expertise in using NPM and BOWER package and Dependency management.
  • Experience in database design and development of PL/SQL stored procedures, and packages in relational databases like Oracle 9i / 10g / 11g, SQL Server 2005/2008, DB2, MySQL and good hands-on experience in implementing, designing and developing NoSQL Databases like MongoDB.
  • Expertise in using Javascript build tools and task runners like Webpack for React and Angular 8.0, Grunt, Gulp for Angular, Browserify for packaging Node JS modules for browsers.
  • Hands-on experience with building Java projects using build tools like ANT, Maven, Gradle and integrating the project Bamboo, CD/CI, Jenkins, Gocd, Aws Code.
  • Experience in developing applications using MVC and MVVM client-side JavaScript frameworks such as Angular 8.0, AngularJS to develop dynamic web applications, Backbone.Js, Ember.JS, Handlebar.JS.
  • Experience in designing and developing various Angular 8.0 Components (ngModules), Services(observable/promises), Directive and Pipes.
  • Solid experience in developing the rendering view React JS components, forms, events, routers and Redux asynchronous functions and implemented React - Flux pattern for core dependency.
  • Developed various Typescripts(ES6) objects including Components, ngModules, Providers, Services and classes using arrow functions and optional types.
  • Experienced in utilizing source code variant administration apparatuses like SVN, Git, Bit Bucket, and undertaking sprinters like Babel, Grunt, Gulp and Web pack.
  • Experience in continuous integration source code management with Jenkins, Created Build Jobs and Deployments in Jenkins.

TECHNICAL SKILLS

Programming Languages: C, C++, Java, Javascript, PHP, PL/SQL, UNIX Shell Script

Java/J2EE Technologies: Servlets, Spring, EJB, JPA, JTA, JDBC, JSP, JSTL, RMI, JNDI, R AWT, Applets

Frameworks: Struts 2.5, Hibernate 5.x, Spring 5.0, Spring Batch, Spring Security, Spring AOP, Spring Core, JSF, IBatis, Spring IOC.

Web Technologies: HTML, HTML5, CSS/CSS3, AJAX, jQuery, Bootstrap, XML, Grunt, Gulp, JSON.

Database: SQL Server, MySQL, Oracle, Mongo DB, DB2

JavaScript Frameworks: Angular JS, Angular 8, JQuery, Node.js, Backbone.js, Hapi.js, React.js, Express.js,Ember.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

WebApplication Servers: Oracle WebLogic 12.x, IBM WebSphere 8.x/6.x, Apache Tomcat 9.0, JBoss

Methodologies: Agile, Waterfall, OOAD, SCRUM

Testing Tools: JUnit, Mockito, Jasmine, Karma, Mocha, Chai, Selenium

Version Control: SVN, CVS, GIT and ClearCase

Build Tools: Maven, Gradle, ANT

IDEs: Eclipse IDE, RAD 9.7, 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:

  • Developed the single-page application following Agile Scrum, participated in daily standups, sprint reviews, Kickoffs and used Jira for project management.
  • Involved in Software Development Life Cycle for gathering requirements, Analyzing, Designing, Developing and Testing applications using Agile methodology.
  • 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).
  • Developed multiple Angular 8.0 components that are compatible with the latest versions of typescript, angular CLI.
  • Designed and developed efficient user Interaction screens using HTML5, CSS3-SASS and Twitter Bootstrap CSS framework and media queries to create responsive web pages.
  • 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.
  • Hands-on experience using ODM frameworks to connect asynchronous environments with Mongoose Connector and Cassandra Node Driver.
  • Worked with KAFKA Zookeeper for managing the cluster with broker/cluster technology.
  • Configured JBOSS Application server and used Oracle database with Hibernate ORM framework and used the functionalities of Hibernate’s second-level EHCache.
  • Implemented Microservices architecture with Netflix, Spring Eureka, Spring Ribbon using Spring Boot to provide client-side load balancing in calls to other Microservices making applications into smaller chunks and also the Spring Hystrix as a circuit breaker and for the fail-safe.
  • Wrote Drool rules in both rule flow and drools fusion for fetching the facts from the database.
  • Kubernetes is configured in the application for automating deployment, scaling, and management of containerized applications.
  • Hands-on experience on Dump Analysis and thread Dump common problem patterns (Thread race, deadlock, hanging IO calls, garbage collection / OutOfMemoryError problems, infinite looping, etc.).
  • Implemented Spring Netflix Zuul API gateway and Eureka service registry for reverse proxy and Dynamic service discovery of APIs.
  • Performed manual and regression testing using JIRA X-RAY tests, writing the scenarios.
  • Responsible for migrating existing modules in IBM MQ to Apache Kafka and worked on creating Kafka adaptors for decoupling the application dependency.
  • Experience in java8 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 backend Cassandra.
  • 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.
  • Worked with Jenkins to configure Continuous Integration and Continuous Deployment(CI/CD).
  • Implemented Spring Circuit breaker pattern, integrated Hystrix dashboard to monitor Spring microservices.
  • Participated in code review and mentoring sessions and used GIT as version control and GITBash for GIT interactions.
  • Authenticating Users and to provide the security to RestFul web services using OAUTH 2.0.
  • Worked on UI testing with Karma, Jasmine, Protractor for Angular, Mocha and Chai for React JS and Backbone JS.

Environment: Java, Angular 8.0, J2EE, Git, Spring Boot, Hibernate, Core Java, Rest, Web Services, CSS, Eclipse RCP SASS, WSDL, JIRA, JMS, PostgreSQL, AWS, Spring Cloud, 1Spring batch, PCF, Apache JMeter, jQuery, JUnit, Docker, Maven, Jenkins.

Confidential

Full Stack Java Developer

Responsibilities:

  • Made use of React JS to build Bootstrap components for responsive UI objects and linked with API data to view and render the virtual DOM dynamically.
  • Responsible for the overall layout design and prototype using React JS with Redux library, jQuery UI and CSS/Less and HTML5.
  • Implemented Node JS as a server-side proxy for an event-driven, non-blocking I/O model to make the application lightweight and efficient.
  • Extensively worked in writing minimal code in building re-usable forms with their validations using REACT with Redux Architecture.
  • Optimized cleaning up of session-level Data Structure’s shared across different open tabs when data is flushed/committed from one of the tabs.
  • Implemented Struts encouraging application architectures based on the Model View Controller (MVC) design pattern and Struts 2 framework for front end development and presentation logic.
  • Developed JavaScript for all client-side validations and developed GUI using CSS, JSTL and XSL.
  • Web pack module bundler and Babel javascript compiler are used accompanying React JS.
  • Implemented Spring Boot to create a CRUD backend for our React-fronted application.
  • Worked with Jenkins Continuous Integration and Continuous Deployment (CI/CD).
  • Experience in Docker Engine and Docker Machine environment, to deploy the micro services-oriented environments for scalable applications.
  • Junit is implemented along with Mokito to perform unit testing on our RESTful web application.
  • Dockerized Spring Boot application to Pivotal Cloud Foundry PAAS (Platform as a service).
  • Worked with container-based application deployments using Docker, with Kubernetes.
  • Experience in integrating the internal security model into new projects with Spring Batch, Spring Microservices and Spring Boot, Pivotal Cloud Foundry and Netflix Eureka.
  • Performed Unit testing on ReactJS applications using tools like Karma, Jasmine and worked with the Gulp tool for build automation.
  • Performed Unit testing on applications using tools Mocha to test Reactjs and Chai for Node.js.
  • Experience in integration testing tools like Selenium Web Driver, Cucumber(Behaviour Driven Development testing).

Environment: HTML5, CSS3, Redis, Express JS, jQuery, JavaScript, Node JS, Bootstrap, REST API, Load Balancer, Mongoose Connector, Mongo DB, 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:

  • Used HTML5, CSS, jQuery, Ajax and performed client-side validations using JavaScript.
  • Implemented web interface(UI) for end-users using AngularJS, which has migrated from the existing BackBone JS application.
  • 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).
  • Effectively used Angular Directives, filters, declarative templates, service providers and context-aware communication.
  • Developed a set of application functionality using CRUD (Create, read, update, delete) features of Backbone.js.
  • Performed Angular JS end to end testing using Protractor framework.
  • Used backbone.js as Model, Widgets as Controller and jQuery template as View.
  • Developed application on Spring framework by utilizing its features like Spring Dependency injection, Spring Beans, Spring Security, Spring JPA, Spring Web flow using MVC
  • Worked on Spring Framework handling major concepts like Dependency Injections, Spring IoC Containers, Transaction Management Declaratives (annotations based).
  • Deployed the drools rules as a service in the J2EE stack environment.
  • Wrote SQL Queries, PL/SQL stored procedures, triggers, packages on Oracle database.
  • Configured Hibernate's second-level cache using EH cache to reduce the number of hits to the configuration table data.
  • Implemented security functionality for various projects using Site minder (SSO).
  • HibernateORM framework is used to interact with databases through Hibernate query language (HQL). And also worked with the Hibernate EH Cache technique for the critical objects in the application.
  • Used Backbone JS to utilize its rendering functions and create controllers to handle events triggered by clients and send requests to the server.
  • Developed an automated application using JMS for messaging and JNDI to interact with the Server.
  • Configured and managed public/private cloud infrastructure utilizing Amazon Web Services like Amazon Ec2, Amazon S3.
  • Configured Jenkins to handle application deployment in the Pivotal Cloud Foundry(PCF) server and to integrate with GitHub version control.
  • Implemented ODBC which is used for connecting to the database Oracle.
  • Used Maven build tool to deploy the application on web servers i.e. JBoss.
  • Unit, functional, end-to-end testing is achieved using the TestNg framework.
  • Integration testing methods and Behavioral driven testing in the application are implemented by using Selenium and Cucumber respectively.

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

UI developer

Responsibilities:

  • 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).
  • Effectively worked on Angular 1.0 to use the enhanced features of typescript, Angular Routers and Angular Components.
  • Effectively used Angular Directives, filters, declarative templates, service providers and context-aware communication.
  • Worked on Agile methodology including team-based design and code reviews.
  • Worked with Ember JS to code some new functionality and developed application front end using HTML, CSS, Ajax.
  • Spring AOP is used for logging, auditing, and security and transaction management to distinguish business logic from the cross-cutting concerns.
  • Implemented the back-end functionality of the modules using Singleton, and Session Facade design patterns.
  • Implemented Spring Batch to run daily and monthly batches.
  • Extensively used Java server Faces (JSF) Navigation rules and JSF tags for enhanced user Interface.
  • Involved in multi-tiered J2EE design utilizing Spring Inversion of Control (IOC) architecture and Spring JPA.
  • Designing new components to fit in the already existing architecture using core Java, multi-threading, design patterns like the factory method, Abstract factory pattern, Singleton, while developing web-based applications using REST Web Services.
  • Hibernate ORM framework is used to interact with databases through Hibernate query language(HQL).
  • Used SOA, UDDI lookups and Web Services Description Language(WSDL) using the SOAP protocol.
  • Involved in the development of SOAP Web Services using Apache Axis to extract client-related data from databases.
  • Developed the business logic code in Core Java/J2EE, Struts, JDBC.
  • Deployed Application using Oracle Weblogic Server.
  • Deployed the application using Docker and AWSConsole services.
  • Provided support to the testing team and involved in the Bug Fixing.
  • 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.
  • Involved in performing Unit and Integration Testing in Selenium

Environment: J2EE, Java, Struts, Tiles, JSP, JNDI, Clear Case, SOAP, WSDL, UDDI, JAXB, JAXP, Schema (XST), EJB, ANT, JavaScript, JMS, Rational Rose, WSAD, DB 2.

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