SUMMARY

• Over 8+ years of professional IT experience with full project lifecycle development in Java/J2EE technologies with Requirement Analysis, Design, Implementation, Development, Testing, Maintenance and Deployment of software applications.
• Extremely well - versed in design patterns, methodologies, Software Development Life Cycle (SDLC) models (Waterfall, RUP, Agile, XP, RAD), high-level designs (UML, Visio), capturing functional requirements into use cases and translating those into detailed technical specifications.
• Highly experience with Java complaint IDE's like Eclipse, IntelliJ, WSAD, RAD 6 and Builder.
• Implemented the MVC architecture using Backbone.js, NodeJS and Angular.js, ReactJS.
• Hands on Experience on Angular 2 technology for one complete project in rebasing the UI of the application using the techniques in Angular 2/4.
• Migrated the application from existing Tableau dashboards to Angular 8 for the better user experience.
• Developed web user interfaces using front end technologies such as HTML, CSS, JavaScript, AJAX, and jQuery and Angular, NodeJS, ReactJS.
• Light bend Reactive Platform plus many other Scala libraries and frameworks.
• Confluent Platform (Apache Kafka and its ecosystem) and Reactive Kafka
• Used Web Sphere Application Server, Web Logic Application Server, JBoss and Apache Tomcat in all my projects and successfully deployed and compiled many of the applications on them.
• Used Bootstrap and Angular.JS, React.js and Node.js in TEMPeffective web design.
• For the making of the single page web application used angular 7,8 along with having experience on working with angular2/4 and angular JS with NodeJS and ReactJS.
• Experience in developing with various open source frameworks: Java Server Faces (JSF), Spring Framework, spring (MVC), Spring Dependency Injection (DI), Hibernate ORM, Struts Framework, Struts Validation and Tiles Frameworks.
• Experienced as a Java/J2EE programmer, developing applications using Servlets, JSP, Struts, RMI, JDBC, Hibernate and MVC.
• Experience in working with java for writing custom UDFs to extend Hive and Pig core functionality.
• Good noledge with web-based UI development using JQuery UI, JQuery, ExtJS, CSS3, HTML, HTML5, XHTML and JavaScript.
• Experience in NodeJS, implementing NodeJS callbacks, NodeJS web server, NodeJS Restful apis.
• Written unit test cases in TDD (Test Driven Development) environment using Junit & selenium framework using JDK 8 in eclipse and achieved 95% of overall test coverage.
• Expert in Core Java 1.7, J2EE enterprise technologies - including Servlets, JSP, JDBC, Struts, spring IOC, SpringMVC, SpringBoot, Web services and web client technologies - including HTML5, CSS3, JQuery and Angular.js.
• Familiar with version control in the Pega Platform, including rule and ruleset versioning and branched development.
• Worked with different Java IDE'S includes RAD, Eclipse, IntelliJ Idea and NetBeans.
• Experience working with front-end technologies like HTML, CSS, JavaScript, JQuery and AJAX.
• Experienced in Worked on NoSQL databases - Hbase, Cassandra & MONGODB, database performance tuning &data modeling.
• Experienced in testing data in HDFS and Hive for each transaction of data.
• Experienced in importing and exporting data using Sqoop from HDFS to Relational Database Systems and vice-versa.
• Strong Experience in working with Databases like Oracle 12c/11g/10g/9i, DB2, SQL Server 2008 and MySQL and proficiency in writing complex SQL queries.
• Hands on experience in Core Java, Servlets, JSP, JDBC, C#, JavaScript.
• Experience in creating build scripts using Ant, Maven and Gradle tools.
• Having noledge of amazon web services (AWS) with EC2, lambda, and elastic beanstalk for cloud programming.
• Extremely good communication and leadership skills, extensive experience in customer relationship management, professional management duties
• Extensive experience in implementation of the version control software SVN, Confidential, Git.
• Extensive experience in using agile tools Mingle and JIRA.

TECHNICAL SKILLS

Languages: Java, J2EE, C, C++, SQL, PLSQL

Web Technologies: HTML, JavaScript, CSS, JSON, AJAX, XML, ESAPI, jQuery, AngularJS, Angular 2, Angular4

J2EE Technologies: Servlets, JSP, EJB, JMS, JNDI, Web Services, JDBC, SOAP, Mule

ORM technology: Hibernate

App/Web servers: WebLogic, Apache Tomcat, JBoss. Docker

Frameworks: Jakarta Struts, spring, IBM JADE, Log4J, SLF4J

Databases: Oracle 11g, MySQL, PostgreSQL, DB2, MongoDB, Cassandra

Operating Systems: Windows, UNIX, Linux

Web Services: SOAP, WSDL, JAX-RS, JAX-WS, RESTful Web services, AWS, Microservices.

Source Control Tools: Win Confidential, SVN

Testing Framework: Web UI API automation, Citrus, Cucumber, Selenium

Other Tools: Putty, Rapid SQL, IBM DB2 client, CISM, Docker, JIRA, SQL Developer

IDEs: Eclipse, Net beans, IntelliJ, Maven, STS

Methodology: Waterfall, Agile methodology

PROFESSIONAL EXPERIENCE

Sr. Full Stack Java Developer

Confidential

Responsibilities:

• Involved in the implementation of design using vital phases of the Software development life cycle SDLC that includes Development, Testing, Implementation and Maintenance Support.
• Used Agile Scrum methodology for iterative incremental software development
• Implemented Java 1.8 features like Lambda expressions, Java Optional, Stream API for Bulk data operations on Collections which would increase the performance of the Application.
• Used Microservices architecture, with Spring Boot-based services interacting through a combination of REST and Apache Kafka message brokers and leveraging AWS to build, test and deploy micro services.
• Implemented Microservices with Spring Cloud provided library services like Netflix Eureka Naming Server, Netflix Ribbon, and Feign Client as a Rest client to map response to the client bean.
• Applied J2EE design patterns like Singleton, Data Transfer Object DTO, Data and Business Object VO during the development of components.
• Worked in MEAN stack advancement (Mongo DB, Couchbase DB, Express.JS, Angular.JS & NodeJS).
• Design roles and groups for users and resources using AWS Identity Access Management (IAM).
• Implemented Spring MVC flow to interact with different modules and extensively used Spring AOP and Dependency injection during various modules of project.
• Used spring batch for batch processing the cases from ACMP to CMG.
• Used Spring Data JPA as ORM tool for data related functionalities, persistence layer and implemented transactions.
• Involved in creating POJO Objects and mapped using Spring Data JPA Annotations.
• Used Spring Core Annotations for Dependency Injection Spring DI and Spring MVC for REST API s and Spring Boot for Microservices.
• Composed and executed MongoDB scripts to insert and update NoSQL database, automating data changes and reporting.
• Responsible for Configuring Apache Kafka Consumer and Producer metrics to visualize the Kafka System performance and monitoring.
• Extensively used the Java collection Framework Classes for Holding the Application objects.
• Built Web pages that are more user-interactive using AJAX, JavaScript, and ReactJS.
• Participated in development of a well responsive single page application using ReactJS framework and JavaScript in conjunction with HTML5, CSS3 standards, with front end UI team.
• Used spring Validator framework for client side and server-side validation. Also implemented dynamic loading of JSP's using AJAX.
• Implemented AngularJS controllers, custom directives, filters to maintain each view data. Implemented Angular Service calls using Angular Factory.
• Planned, constructed, and iterated upon a contacts management single-page application (SPA) and custom REST API using AngularJS, MongoDB, NodeJS, and Express.js.
• Used building rich internet applications, backbone JS Require JS to optimize in-browser use and to load the module and to improve the Speed.
• Developed Rich UI applications using JavaScript, HTML, XML Bootstrap, CSS, Typescript and Angular
• Implement the web application using Express, Angular 4.0 along with HTML5, CSS3, Typescript, jQuery, Bootstrap, and other web technologies.
• Worked on creating Angular 4Reactive forms to implement complex forms and performed the validations using Form Builder.
• Implemented AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups, optimized
• Managed servers on the AWS platform instances using Puppet, Chef, Ansible, Configuration management.
• Implemented and managed Puppet configuration spanning several Dev, QA, Staging environments in AWS cloud.
• Implemented and designed AWS virtual servers by Ansible roles to ensure deployment of web applications.
• Managed servers on the AWS platform instances using Puppet, Chef, Ansible, Configuration management.
• Developed and published Java Web Services PoS Services so that other systems can use the service using Web Services.
• Worked with NPM commands using package. json for managing dependencies and dev-dependencies of NodeJS applications.
• Accrue version control system has been used to check-in and checkout the developed artifacts.
• Worked on creating Microservices, API, and created Docker Files for different Microservices. Worked on Swagger API and auto-generated documentation for all REST calls.
• Tested server side with Mocha for NodeJS.
• Familiar with JSON based REST Web services and Amazon Web services (AWS) and Responsible for setting up Python REST API framework and spring framework using DJANGO.
• Created advance SQL scripts in PL/SQL Developer to facilitate the data in/out flow in Oracle
• Created Stored Procedures in Oracle using PL/SQL, TOAD.
• Used Secure CRT to transfer file from local system to UNIX system.
• Used JBoss server to deploy the application.
• Used Eclipse for the Development, Testing and Debugging of the application.
• Implemented JMS Messages Listeners on ActiveMQ, routing functionalities and invoking corresponding SOAP service using Apache Camel.
• Development of Continuous FTP service of encrypted large files between distributed systems using Apache Camel.
• Extensively involved in a Docker deployment pipeline for custom application images in the cloud using Jenkins. Used the Docker container system with the Kubernetes integration.
• Worked in TDD environment used MOCKITO to develop test cases for java bean components and test them through JUnit framework. And used Code coverage plug-ins like SonarQube to improve the coverage and quality of code, Implemented Jasmine and Karma frameworks for UI test cases.
• Pega Activities, Flows, Decision Tables, Functions, Ruleset deployment.
• Logging framework Log4J is used with Sl4j annotations to log messages. Used Gradle for integration and building of the project.
• Used Stash repository for Git version control, JIRA tracking tool for assigning and defect management.

Environment: Java8, J2EE, Servlets, JSP, HTML, Spring4, Hibernate4 DHTML, JavaScript, AJAX, JQuery, XML, XSLT, Eclipse, Spring Web MVC, NOSQL, Hibernate 4.0, SOAP, JSON, CSS, JAXP, JAXB, Oracle 11g, SQL, JUNIT, Java8, Cloud Foundry, Reactive Systems, Reactive programming.

Sr. Full Stack Java/J2EE Developer

Confidential

Responsibilities:

• Involved in the analysis, design, and development phases of the Software Development Life Cycle (SDLC) using Agile (SCRUM) development methodology to deliver regular updates to business team and project managers.
• Developed UI pages using HTML5, Angular 4, Bootstrap, CSS3, JavaScript, jQuery, AJAX and NodeJS.
• Build the reusable service components with Angular, Bootstrap, and JSX that are used across various modules.
• Worked on some of the new features of Angular 4 like new if else syntax, ng-templates, and form validators.
• Created Custom AngularJS and developed data driven UI using Angular 4.0 and Breeze data models.
• Developed an Angular 4.0 workflow manager leveraging Angular-UI's state router for flexible configuration and management of multi-step user input flows.
• Used NodeJS for doing non-blocking design operation for server-side code.
• Built REST by building NodeJS in the backend to handle requests sent from the jQuery Ajax calls.
• Deployed Micro service architecture using Pivotal Cloud Foundry (PCF).
• Implemented jQuery to develop the widgets and to perform the cmicroserlient-side validations, UI centric Ajax Behavior.
• Used Executor Service multithreading to implement Thread pool, parallel processing to run processes asynchronously using future calls to access the data.
• Developed using new features of Java 1.8 annotations, Generics, enhanced for loop and Enums.
• Used advanced Java 8 features like Lambda expressions for array operations, Streams, Method, collections. Enhanced concurrency methods etc. throughout the application for well-defined programming.
• Implemented design patterns like MVC, Singleton, Business Delegate, Factory, and Service Locator.
• Developed REST full web services using Spring MVC REST framework and JAX-RS.
• Used Spring MVC Rest Controllers, Services along with Dependency Injection, Spring JMS and Spring Security. Used Spring Framework AOP Module to implement logging in the application to no the application status.
• Used Annotations for Spring DI, Auto wiring and Spring MVC for REST API s and Spring Boot for Microservices.
• Implementing or exposing the Microservices architecture with Spring Boot based services interacting through a combination of REST and Apache Kafka message brokers.
• Developed large-scale, real-time, live blogging server and UI compatible for Node.js application.
• Experienced in logging with ELK Stack by using Elasticsearch, Log stash, and Kibana.
• Using Swagger UI registered micro services, monitored service health check from Spring Boot admin console.
• Used OAuth 2.0 authentication protocol respectively for security and authorization.
• Experienced circuit breaker patterns and fail safe in Spring Boot Micro Service applications using Hystrix and monitored the services using Hystrix Dashboard.
• Experience in performance tuning with Oracle database. Designed and developed file upload and file download features with Oracle BLOB and CLOB.
• Experienced HQL, Named Parameters, Named Queries, and Interfaces such as Expression, Query and Criteria for implementation of Hibernate template and extensively used Hibernate Cache.
• Implemented the MVC architecture using Backbone.js, NodeJS and Angular.js, ReactJS.
• Client-Side code were written in ReactJS, JQuery and server-Side Code were developed using MVC4.
• Wrote SQL queries, stored procedures, triggers, views, and enhanced performance with explain plans.
• Developed DAO layer using Cassandra and expertise in CQL (Cassandra Query Language), for retrieving the data present in Cassandra cluster by running queries in CQL.
• Deployed Spring Boot based micro services into Docker container using Amazon EC2 container services.
• Developed API for using AWS Lambda to manage the servers and run the code in the AWS.
• Used AWS Cloud watch in alerting, maintaining, and monitoring of production and corporate servers/storage.
• Experience with building Docker Images and running them on Docker container.
• Designed and configured management reports and dashboards using Kibana.
• Used Camel-Spring-WS integration to access web services based on SOAP action and camel endpoint mapping.
• Developed grunt tasks to run the unit tests on Jenkins and Used JIRA to assign, track, report and audit the issues in the application.
• Worked with several testing frameworks such as JUnit and Mockito.
• Used Eclipse based Spring Tool Suite (STS) for development and debugging Spring Boot applications.
• Configured and administered Jenkins for CI/CD into Tomcat Application Server.

Environment: HTML5, CSS3, JavaScript, jQuery, AJAX, Angular8, JAVA, Java8, Spring Frameworks, Spring Boot, Spring Cloud, Microservices, Hibernate Framework, OAUTH2, Apache Tomcat, AWS, REST APIs, RESTful Web services, Eureka, Hystrix, Postman, Maven, Mongo DB, Log4j, NodeJS, Jenkins, JIRA, Selenium Web Drivers, Protractor, Splunk, GitLab.

Java Full Stack Developer

Confidential

Responsibilities:

• Involved in various phases of Software Development Life Cycle (SDLC) of the application like Requirement gathering, Design, Analysis and Code development.
• Involved in Full Software Development Life Cycle (SDLC) from Requirement gathering, design, development, testing and documentation.
• Worked in Agile, CMMI Development Environment. Participated in the daily SCRUM meeting and paired programming to produce quality delivery within time.
• Used Spring Boot which is radically faster in building cloud Microservices and develop spring based application with very less configuration.
• Design common framework for REST API consumption using Spring Rest Templates.
• Developed spring boot application for writing web services.
• Developed RESTFUL Web Services which are consumed by several clients like Mobile, Tablet, as well Web.
• Design application using Spring MVC, JSP, JSTL and AJAX on the presentation layer, the business layer is built using spring and the persistent layer uses Hibernate.
• Extensively used Spring IOC, configured Application Context files, and performed database object mapping using Hibernate annotations.
• Utilized Angular.JS framework to bind HTML5 template (views) to JavaScript object (models).
• Worked with Angular.JS applications for customer facing software using modern JavaScript development techniques and responsive design methodology.
• Involved java Multithreading to cascade multiple changes on multiple records in only one transaction and developed a batch process framework.
• Implement modules into NodeJs to integrate with designs and requirements.
• Design and develop common utilities for JSON to Java object and vice versa using Jackson libraries.
• Used Core Spring framework for Annotation based Dependency injection.
• Used Spring AOP to handle transactions session aspects and to implement security.
• Achieved transaction using Spring AOP and stored procedures
• Used Spring MVC Spring Security Spring ORM modules to integrate with MongoDB to implement the persistence layer with JPA/Hibernate.
• Worked on designing data models in Cassandra and working with Cassandra Query Language.
• Involved in migrating data from Oracle 11g to Cassandra.
• Involved in Ecommerce Project Development using Spring Web Flow and Hybris and developed front-end UI with Backbone.js, jQuery, CSS3, Dojo and AJAX.
• Development back-end with Spring MVC framework on underlying Hybris platform.
• Wrote spring configuration file to define beans define data source and hibernate properties.
• Performed data loading based on multi-consumers using Spring, Hibernate framework
• Configured the web.xml file for REST server injection to enable the REST web services by using JAXB API.
• Responsible for designing the User Interface by coding in HTML5, CSS3, AngularJS, Bootstrap to build dis SPA (Single Page Application).
• Highly used Angular 2 router to build single page application for navigates through the different status and multiple modals.
• Built the reusable service components using Angular 2 services with Object Oriented JavaScript, JQuery, HTML, CSS3 based on the visual designs.
• Utilized React.JS & REDUX for rendering and deployment of end setting web pages.
• Modularized front-end CSS and JS code with Sass. Built a real-time mouse/click user analytics web service with NodeJS.
• Created sites to organize client contracts and to summarize monthly financial data using Ember.js, D3.js and MySQL.
• Used jQuery, Angular JS, and Node JS to develop the rich user interface and to invoke RESTful Web Services to perform various operations.
• Worked on AWS, High Availability Practices and deploying backup/restore infrastructure.
• Developed API for using AWS Lambda to manage the servers and run the code in the AWS.
• Design roles and groups for users and resources using AWS Identity Access Management (IAM).
• Implemented AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups, optimized volumes and EC2 instances
• Setup and support automated Continuous Integration utilizing tools like Jenkins, Shell Scripts, and AWS CLI/API.
• Prototype proposal for Issue Tracker website using Python/Django connecting MySQL as Database.
• Administration of Linux machine and configured Apache python mod to host the website.
• Implemented the function to send and receive AMQP messages on Rabbit MQ synchronously and asynchronously and send JMS message to Apache Active MQ on the edge device.
• Developing scripts for build, deployment, maintenance, and related tasks using Jenkins, Docker, and Maven.
• Setup Servers (JBoss, Apache and UNIX) and deployed application in Dev, ST and UAT Environment.
• Setup logging using Log4j for tracking the processes and errors.
• Worked in a test-driven development environment, used JUnit and Mockito for backend test cases, and Karma and Jasmine for the frontend test cases.
• Cooperated with testing team in regression testing to fix the defects during the QA phase.
• Worked with the business analysts to gather requirements, create the JIRAS and plan the sprints.

Environment: Java 1.8, J2EE, Java 8.0, Spring 4, Spring JPA, Spring boot 1.1.5, Spring cloud, Spring Security, Hibernate, JavaScript, Angular 2/4, ReactJS, HTML 5.0/4.0, CSS, Python 3.3, Ajax, JQuery, Swagger API, Lombok API, JBoss, Eclipse, Kubernetes, Docker, Gradle, Splunk, Apache Kafka, MongoDB, Windows XP, Design Patterns, AWS, TOAD, Oracle 10g, DB2, Docker, Maven, Jenkins, Putty, Log4J, JUnit, Mockito, Apache Camel, Jersey, JSON, XML, x, NodeJS.

Java Full Stack Developer

Confidential

Responsibilities:

• Development, enhancement and testing of the Web Methods flow services and Java services.
• Implementation of Struts - Configuration Files, Validation Files, Interceptors, Filters, Listeners for Modules.
• Developed custom spring boot starters in existing Microservice Framework to provide for developers Cloud-native microservice environment like Centralized configuration, service registry and discovery, circuit breaker, monitoring and distributed tracing so developer can focus on writing business logic.
• Developed and enhanced some configurable camel routes in framework using yml file configuration.
• Enhanced some spring boot starters which hold dependencies and code.
• Expertise in AngularJS controllers, directives, factories, services, routing, DOM manipulation using JavaScript, jQuery and AngularJS.
• Used Elastic search for Real time analytics and a Full text search functionality
• Implemented Micro Services using Spring Boot, Spring Cloud, and Spring Micro Services and enabled discovery using Netflix Eureka Server.
• Created web services using Spring Rest Controller to return JSON to the frontend.
• Resolving scalability and performance issues both in Applications as well as in Web sphere/Web Logic Application Servers.
• Deployed and Monitored Micro Services Using Pivotal Cloud Foundry, also Managed Domains and Routes with the Cloud Foundry
• Developed the Application making use Java 8's new Streams API and parallel Streams to partition the streams.
• Used micro service architecture, with Spring Boot-based services interacting through a combination of REST and Apache Kafka, Spring4 message broker
• Written micro services using Spring Boot and Spring Data for Dynamo DB
• Developed Web based GUI's using JSP, HTML, DHTML, CSS, JavaScript (and its frameworks like JSON), Action Script, DOJO, NodeJS, Angular JS, JQuery, EXT JS and Ajax.
• Use of JSX in the React js components for cleaner HTML like structure inside JavaScript.
• Modularized front end CSS and JS code with Sass. Built a real-time mouse/click user analytics web service with NodeJS.
• Implemented search engines by using Angular JS filter to make the data searchable and sortable.
• Involved in converting Hive/SQL queries into Spark transformations using Spark RDD, Scala.
• Worked in development of JavaScript for client side validations.
• Design the J2EE components of the Restful Web Services and scheduled Java batch jobs based application in UML.
• Created Web Services (SOAP) between different components and also exposed few web services to client apps get metadata for the specific entities and documents.
• MEAN stack implementation, Angular.JS Full-Stack generator (generator-angular-full stack), and actually run, edit, and deploy an application.
• Developed the application using Struts Framework that leverages classical Model View Controller (MVC) architecture.
• Front end design using HTML, CSS, Bootstrap.
• Implemented Business processes such as user authentication, Account Transfer using Session EJBs.
• Extensively developed stored procedures, triggers, functions and packages in oracleSQL, NOSQL,PL/SQL.
• Developed the front end using HTML, JavaScript, AJAX, JSP, CSS, JQuery, and XML.
• Created the Application using React.js 16.0 and NodeJS, libraries NPM, gulp directories to generate desired view and flux to root the URL's properly.

Environment: J2EE, Java 1.8, Spring MVC, XML, AJAX, Angular 2/4, NodeJS, React JS, AWS, JavaScript, Hibernate, Bootstrap, JIRA, Spring Boot, Web services, Micro services, Pivotal Cloud Foundry, AWS, ELK stack, Maven, HTML5, CSS3, jQuery, Docker, Tomcat, Git, Jenkins, Apace Camel, STS.