SUMMARY

• 8 years of experience as a Java Full Stack Developer in IT industry. Extensively experienced in Software Analysis, Design, Development, Implementation and Testing of Object - Oriented Applications and Web based Enterprise Applications using java/J2EE.
• Experience in working in environments using Agile (SCRUM) and Test-Driven Development (TDD) development methodologies.
• Proficient in UI design, developed Front End using JSP, HTML5, CSS3, Servlets, JMS, JSF My Faces, Rich Faces, JavaScript, Ajax, JQuery, AngularJS, Angular 2.0, NodeJS, ReactJS and have knowledge on BackboneJS.
• Hands on experiences with Core Java with Multithreading, Concurrency, File Handling I/O, Generics, Data Structures and Collections, Garbage Collection.
• Experience in java8 features like Parallel Streams, Lambdas, functional interfaces and filters.
• Experience in developing, deploying, and managing N - tier, server-centric J2EE enterprise class projects using Eclipse IDE 3.x/4.x, My Eclipse 6.5, J2SE1.4/1.5/1.6 (Java 2, Applets, Swing, JDBC 3.0, RMI), J2EE 1.5 Web application technologies (Servlets 2.x, JSP 1.x/2.x, JSTL 1.2, JSF 1.x, JNDI), Enterprise application technologies (EJB 2.x/3.0, JMS).
• Good experience on Design Patterns (J2EE) like Singleton, Factory, DAO, Session Facade, Front Controller, and Delegate Pattern.
• Expert in Various Agile methodologies like Test Driven Development, Test First Development Methodology, Incremental and Iteration methodology and Pair Programming.
• Experienced in developing messaging module by using Spring JMS, Apache Camel and Rabbit MQ.
• Experience in Spring framework (MVC/IOC/ORM/JDBC/AOP/BATCH/WEBFLOW/Context) and Struts (MVC, architecture, interceptors, action mappings and resource bundles).
• Experience in developing Microservices using Spring-Boot.
• Experience in development and deployment of applications using JBoss, Web Logic Application Server, IBM WebSphere Application and Apache Tomcat.
• Experience in developing SOAP based Web Services using Apache CXF and JAX-WS.
• Experienced in developing Restful Services using JAX-RS specification like Jersey and Rest Easy to implement REST based Application.
• Solution for EDI Encounter Ingest 837I, 837P, NCPDP transformation using Oracle SOA B2B into Data Warehouse
• Good experience on Amazon AWS IAM Service: IAM Policies, Roles, Users, Groups, AWS Access Keys and MFA
• Experience in using Socket Programming.
• Experience in using bug/issue tracking, project Tracking and Management tool JIRA.
• Experience working on Web Services SOAP & REST, JAX-WS, JAXB, WSDL and UDDI registry.
• Expertise in implementing Service Oriented Architectures (SOA) using XML based Web Service such as SOAP, UDDI and WSDL.
• Experience with Cloud Computing Service environment like (AWS) Amazon Web Services (EC2,
• EBS, S3 and ELASTIC SEARCH).
• Involved in designed fully distributed system with the use of Restful API and Micro Services.
• Complete understanding of the DevOps process with continuous integration using Jenkins, JIRA, GIT, CHEF.
• API design and development to support intra-cloud and extra-cloud application integration.
• Expertise in developing model components using ORM technologies like MyBatis, Hibernate
• (Caching, Hibernate Template, DAO) to write Database independent persistence logic and to maintain portable relationships between the databases.
• Have developed the micro services framework prototype with guidelines, the developers have followed as skeleton model and developed their interfaces on top of the baseline prototype.
• Good experience in J2EE Testing in developing test cases with JUnit, MOCKITO for Unit testing, and logging using Log4j.
• Good Experience in Mock Testing.
• Experienced with RDBMS implementation and development using Oracle, My SQL, MSSQL and DB2.
• Expertise in database modelling and development using No SQL Database such as MongoDB and Cassandra.
• Experience in using version control and configuration management tools like GIT, SVN and CVS.
• Experience in using the tools like Ant and Maven for build automation.
• Extensive experience in testing on multiple operating systems including Linux, Unix, Sun Solaris, and Windows.

TECHNICAL SKILLS

Languages: Core Java, J2EE, SQL and PL/SQL, AEM

Java/J2EE Technologies: Servlets, JSP 1.2/2.0/3.0, JavaBeans 3.0, Java Servlet API 3.0

Frameworks: Spring, Hibernate, Angular JS 1.X JSF, Struts 1.x/2.0

Application/Web servers: IBM WebSphere 8.x/7.x/ 6.x/5.x, BEA Web Logic 8.1/9.1, Apache Tomcat 5.x/6.x/7.x/8.x, JBOSS 4.x/3.x, Web Sockets.

Databases: Oracle 10g/11g/12C, SQL server 2012/2014/2016 , MySQL 5.7, DB2 11.1

NoSQL Databases: MongoDB, Cassandra

Web Technologies: HTML 5, JavaScript 1.8, XML 2.0, CSS 3, jQuery 2.11, Bootstrap, Angular JS 2.0, React JS, Node JS.

Version Controls: GIT, GitHub, sub version and JIRA

Operating system: Windows 10, Linux, Unix

Testing and Logging Frameworks: JUnit, JMeter, Log4J, SoapUI, Test NG, easy mock and power mock.

Reporting Tools: Crystal Reports XI, SSRS 5.0, IDQ Analyst Tool 9.5 & Jasper Reports 6.0

Methodologies: Agile, waterfall, TDD, Scrum Developer

IDE Platforms: Eclipse, Net Beans, IntelliJ 2017.1, Spring Tool Suite (STS) 3.8.3, Studio, GITHUB, Edit plus, Notepad ++.

Build Tools: Ant 1.10, Maven 3.3.9, Gradle 3.4.1, Jenkins 2.x

XML & Web Services: SOAP, REST, XML, XSD, Apache Axis, DOM, SAX, JAXP, JAXB, XML Bean

Cloud Environments: AWS, EC2, S3, ECS, ECR, Pivotal Cloud Foundry

PROFESSIONAL EXPERIENCE

Confidential, Tampa, FL

Java Full Stack Developer

Responsibilities:

• Developed the functionalities using Agile Scrum Methodology.
• Extensive experience in various Agile methodologies like Test Driven Development (TDD).
• Involved in developing UI using Spring MVC framework, JSP, JSTL, HTML5, CSS, JavaScript, JQuery, AJAX and AngularJS.
• Designed and developed front end components using JSF Framework and Ajax.
• Created Reusable Modules and Custom Directives in Angular2.0 which got used in various places of application.
• Worked in a CI/CD environment with Jenkins, Maven, Ansible, AWS and Terraform.
• Implemented AngularJS Controllers to maintain each view data. Implemented Angular Service calls using Angular Factory tested all application controllers extensively with AngularJS built-in testing facilities.
• Developed API for using AWS Lambda to manage the servers and run the code in the AWS.
• Extensively used core java concepts like Multithreading, Collections Framework, File I/o and concurrency.
• Used Apigee API manager to manage all the browser based API gateway and mobile API gateway from a single domain.
• Writing test cases using JUNIT, doing test first development.
• Participated in a structured software development process including sprints wif daily scrums.
• Experience in Core Java concepts such as OOP Concepts, Collections Framework, and Exception Handling, I/O System, Multi-Threading, JDBC, Generics.
• Used Java8 features in developing the code like Lambda expressions, creating resource classes, fetching documents from database.
• Developed Unit test cases driven by Test First methodology (TDD) using JUnit3/4.
• Develop the UI component architecture for developer framework using Angular 8, Typescript, HTML5, CSS3 and Bootstrap.
• Proposed technical solutions on the tickets as per the customer demands for API designing and development using JIRA.
• Used Angular 8 Router Module for implementing routing, imperative routing, and Guards.
• Used design patterns like Singleton, Data Access Objects, Factory and MVC patterns.
• Testing and production support of core java based multithreading ETL tool for distributed loading XML data into Oracle database using JPA/Hibernate.
• Implemented various JavaScript effects on the pages Developed Real time tracking of class scheduled using Node Js.
• Used HQL (Hibernate Query Language) to compose static and complex questions while speaking with DB2 database.
• JSF/Rich Faces was used as the front-end technology along with DB2 database and JPA/Hibernate.
• Involved in creating custom tag libs, JSP, EJB's, Portlets and DB2 - put away strategies.
• Stored Procedures in PL/SQL, Functions for the DAO layer by studying the DevOps required business objects and validating them using Oracle database, PostgreSQL.
• Apache Kafka is used to send message objects to client queues and topics.
• Developed powerful Single Page Application and dynamic responsive Web Application with Angular 9
• Created POJO’s and DAO’s for the database entities using Spring JDBC annotation mappings.
• Integrated with Spring Cloud projects to provide distributed tracing and other features.
• Developed microservices with Spring and tested the application using Spring Boot.
• Used Spring Core annotations for Spring Dependency Injection, Spring MVC for Rest API’s and Spring Boot for microservices.
• Implemented Java8 features like Lambda expressions, Streams, filters, pipelines, Optional Interfaces etc
• Development of cloud hosted web applications and REST APIs using Spring Boot with embedded Tomcat.
• Developed GSA, LSS and SDL using C++, Multi-threading and socket programming.
• Deployed the application on Amazon Web services (AWS) and used it to provide a large computing capacity for scalable solutions.
• Built real time pipeline for streaming data using Kafka and Spark Streaming.
• Used Amazon Web Services (AWS) like EC2, S3, and Cloud Front for promoting code in various Environments.
• Provide highly durable and available data by using S3 data store, versioning, lifecycle policies, and create AMIs for mission critical production servers for backup
• Created multiple Kubernetes Clusters in AWS and deploying a Docker Image on top of Kubernetes Cluster for testing purpose.
• Responsible for building API frameworks Partners. -Part of teh API design team and responsible for teh design common gateway interface using python and thrift API.
• Developed HTML5 and JavaScript. Developed Scripts for UNIX platform deployment.
• Deployed applications into Continuous integration environments like Jenkins to integrate and deploy code on CI environments for development testing.
• Implemented Rest based web service using JAX-RS annotations, Jersey provider implementation.
• Integrated ActiveMQ and spring JMS API to send and receive message for the application’s restfulAPI.
• Experience in design and development of Web services, JAX-RPC, JAX-WS, RMI, JTA, JMS and XML, XSD, XSLT, X-Path.
• Code implemented for enterprise application using combination of Java, JSP, HTML, JavaScript, spring and Hibernate Running on WebLogic.
• Wrote build scripts using Maven.
• Used Java8 features like stream and Lambda expressions.
• Developed the persistence layer using Hibernate Framework by configuring the 1:1/1:M/M:M mappings in hibernate files and created DAO and POJO.
• Experience in database like MongoDB installation, configuration and in designing MongoDB multi-shared cluster and monitoring with MMS.
• Installed the WebSphere MQ and involved in configuring MDB listeners, JMS resources, and queues and integrating with the WebSphere Application Server.
• Configuring WebSphere Application Server on multiple platforms for both horizontal and vertical scaling for Work Load Management.
• Implemented AWS IAM for managing the credentials of applications that runs on EC2 instances. Creation of REST Web Services for the management of data using Apache CXF.
• Worked on Proof-of-Concept phase for cloud migration including build & deployment to AWS components like EC2 and setting up AWS S3 storage Objects.
• Used Cloud Watch to create cloud watch alarms, used Amazon EKS (Elastic Kubernetes Service) service with the Kubernetes to manage the clusters.
• Experience in working with NoSQL Database like MongoDB to manage extremely large data sets.
• Used log4j to print the logging, debugging, warning, info statements.
• Implemented Selenium Web Drivers and Protractor For testing the UI componenets.
• Experience in setting up Test automation and developed cucumber feature files and used Selenium for automated testing with TestNG.
• Used JIRA tool for Issue/bug tracking, monitoring of work assignment in the system.
• Experience on implementation of version control software GIT repositories.

Environment: Agile, HTML, CSS, JavaScript, JQuery, AJAX and Angular 2/3/4/8, XML, DAO, POJO, JPA, JAVA, Java8, Springs (IOC, AOP, JDBC) Frameworks, Spring Boot, Microservices, JSP, Hibernate Framework, AWS, RESTful Web services, SOAP, Maven, WebSphere Application Server, Mongo DB, DB2, NoSQL, Apache Kafka, Log4j, Jenkins, JIRA, Selenium Web Drivers, Protractor, GIT, Socket Programming.

Confidential, St. Louis, Missouri

Java Full Stack Developer

Responsibilities:

• Used agile practices and Test-Driven Development techniques to provide reliable, working software early and often.
• Analysed and designed a scalable system based on Object Oriented Concepts, OOAD and the various J2EE design patterns.
• Developed user interface using JSF, HTML5, AngularJS, JQuery and performed client-side validations using Java Script, AJAX and CSS
• Developed the application using Angular 8 /9, RxJS, NgRX, HTML5, Bootstrap, CSS and JavaScript
• Developed java scripts for all client-side validation and developed User Interface (GUI) using JSP, CSS, JSTL, and XSL.
• Used Oracle API Gateway for service-oriented architecture (SOA) and its deployment across domain boundaries and in the cloud enabling organizations.
• Enhanced application performance by Angular 8 Component based development in view of future Angular framework transitions.
• Build Restful API web services using Node JS and Angular 8 and used a full complement of Node.JS, and Mongo DB to store and present assessments.
• Built Jenkins pipeline to drive all Microservices builds out to the Docker registry and deployed to Kubernetes.
• Designed REST API to interact with Openstack and different cloud provider.
• Spring is used as the server side framework along with JSF/Rich Faces and A4J as the front-end technology
• Created service accounts using Terraform with the respective roles to support the services deployed for managing the GCP TechStack
• Utilized Java SE/Java EE, Spring Framework, Hibernate ORM, Web Services SOAP, RESTful, Spring boot with Micro-services, Angular, Node JS, Mongo DB, MySQL.
• Using Kafka for Publish/Subscribe pattern in application dealing with messaging.
• Experienced in using Scala, Java and Python frameworks for Bigdata/Spark engine requirements.
• Used JSTL tags for communicating between controller and JSP.
• Worked simultaneously in both production and development teams and took part in designing and developing dynamic web pages using HTML5, CSS3, Bootstrap, SASS, JavaScript, jQuery, Angular 4/8 for single page applications.
• Amazon IAM was used to maintain the user credentials and involved in creating custom IAM policies to various groups defined within the organization.
• Used Micro service architecture with Spring Boot based services interacting through a combination of REST and Apache Kafka message brokers.
• Designed put away methods, triggers and capacities in MySQL and DB2 for business basic necessities.
• Design and implementing Model view controller (MVC) architecture using spring framework.
• Wrote Hibernate classes, DAO's to retrieve & store data, configured hibernate files.
• Used Eclipse IDE for application Development. Used Jenkins Jobs for build automation to compile and generate EAR and WAR files.
• Configured and deployed several hypervisors and VMs running OpenStack for DevOps, testing and production environments.
• Expertise in Amazon Cloud Services and its features like EC2, ECS, EBS, Auto scaling, VPC, AWS IAM, AMI, RDS, ELB, API integration etc.
• Working experience on serverless deployments through AWS CLI
• Fixed defects Identified in Production/ QA environments; Defects were tracked in Jira tracking Portal.
• Developed SNMP Manager in WinCE. At the time of development due to the scarcity of the Hardware configuration, the SNMP support was not ported in the Board-Support Package’s configuration. And hence, the SNMP was supported using the Socket Programming and C++ and following the SNMP RFC 1157 and Printer MIB 1759 specifications.
• Involved in raising questions for business, getting answers from them, bug fixing, and tracking is done by JIRA.
• Involved in System Testing, Integration Testing, Integrated and Production Testing on WebLogic server.
• Created AWS S3 buckets, performed folder management in each bucket, Managed cloud trail logs and objects within each bucket.
• Created AWS EKS cluster and deployed the application in the cluster.
• Developed RESTful web services using JAX-RS, Apache CXF and spring frameworks and persistence using Hibernate and JPA ORM frameworks.
• Used Scala for coding the components in Play and Akka.
• Jersey implementation of JAX-RS is utilized to develop RESTful Web services.
• Consumed RESTful Web services (JAX-RS) provided by different vendor to use for Address verification and validation.
• Integration and development of See Confidential applications for EDI 837 I/P/D X12 transactions with TPS and Nasco claims processing system, the 270/271, 276/277and 278 transactions with Emdeon, Nehen and BlueExchange, the 834 and 820 with various Trading Partners.
• Involved in creating and extracting data from database using SQL Queries, PL/SQL Stored procedures, triggers, and packages on Oracle database.
• Create and configured the continuous delivery pipelines for deploying Micro Services and Lambda functions using Jenkins CI server.
• Designed serverless microservice ETL application with AWS Lambda and S3 using AWS CDK
• Used HP Quality Center for defect tracking.
• Provided the technical assistance to resolve Issues identified in production and demonstrate appropriate solution to the end users.
• Used Amazon Web Services (AWS) like EC2, S3, and Cloud Front for promoting code in various Environments and used Amazon API’s to maintain and secure the API’s
• Connected to Linux servers to view application logs in order to trouble shoot application issues using putty as an interface.
• Assisted Oracle DB development team in developing stored procedures and designing the database.
• Used Maven for build, cruise control is used continuous building; Used SVN as version control system for source code and project documents.
• Involved in developing of test procedures for unit testing and testing of the module.

Environment: Agile, HTML, CSS, JavaScript, JQuery, AJAX and Angular JS, Socket Programming, XML, JSTL JSP, JPA, JAVA8, Spring Frameworks, Hibernate, RESTful Web services, SOAP, Maven, HP Quality Center, Apache Kafka, WebSphere Application, LoadRunner, Mongo DB, NoSQL, Log4j, Jenkins, JIRA, LINUX, SVN.

Confidential, Issaquah, Washington

Java Full Stack Developer

Responsibilities:

• Involved in SDLC Requirements gathering, Analysis, Design, Development, testing production of application using Waterfall model.
• Worked with an Agile (Scrum) Development Team to develop a Single Page Web Application based on Angular 4 for front-end, Spring Boot for back-end, and Oracle for database.
• Developed web applications with HTML5, CSS3, Bootstrap and Angular JS.
• Used JQuery for basic animation and end user screen customization purposes. Also used CSS pre-processors (SASS).
• Setup and build AWS infrastructure for the project using various resources, VPC, IAM, Lambda, S3, Cloudfront, API gateway. Used Docker as CI/CD tool for integrating different code components.
• Involved in the development of presentation layer and GUI framework using Angular JS and HTML.
• Involved in rendering additional components with custom HTML tags using React.js.
• Involved in writing application-level code to interact with APIs, Web Services using AJAX and Angular resources.
• Worked in DevOps collaboration team for internal build and automation configuration management and participated in the release cycle of the product which involves Dev, QA, staging and Prod.
• Developed code for Responsive web design in JavaScript using frameworks like Angular.js, React.js.
• Used the Collections API, Generics, multi-threading while developing code.
• Method references are used provided in Java8 to make use of methods already named
• Database development required creation of new tables PL/SQL stored procedures, functions, views, indexes and constraints, triggers and required SQL tuning to reduce the response time in the application.
• Involved in the struts upgrade to 2.X which involved in changes to action class.
• Designed and implemented the web services to make the real time transactions for N 278 transactions.
• Experience in developing LINUX shell scripts for automating deployment of applications.
• Developed Spring middleware components for implementing business logic and Implemented SOA based architecture using web services to build a loosely coupled system.
• Designed and developed Business components and Integrated with Spring framework and also developed various reusable Helper and Utility classes, which are used across all the modules of the application.
• Used RESTful for producing web services and involved in writing programs to consume the web services
• Deployed the java application using Maven build script.
• Used Log4j for logging various levels of information like error, info, and debug into the log files.
• Used Java/J2EE Design patterns such as Singleton, Service Locater, DAO etc. and Spring IOC pattern and responses.
• Performed GitHub/GitHub-Desktop bash and Terminal commands to clone, fetch, merge and push the code and created pull requests for changes that are made.
• Designed enterprise API’s and involved in developing the API’s. Involved in testing API’s using SoapUI and Postman.
• Implemented Swagger for the microservices for Documenting Rest API.
• Implemented Rest API Design Guidelines for the microservices.
• Involved in writing Maven scripts for automated deployment of the application and managed GitHub Projects and migrated from SVN to GitHub with merge and version and used Jenkins for continuous integration
• Involved in working with the QA to assist in writing test code and debugging the defects in the application.
• Responsible for making sure that all system upgrade logs were current and creating a report for management.
• Assisted in designing several significant Cisco network upgrades for larger clients.

Environment: Agile waterfall, HTML, CSS, JavaScript, JQuery, AJAX and Angular JS, XML, JSTL JSP, Java, Spring Frameworks, Hibernate, JDBC, RESTful Web services, SOAP, Jenkins, Maven, Mongo DB, NoSQL, Log4j, Jenkins, JIRA, LINUX, UNIX, SVN, GIT.

Confidential

Java Developer

Responsibilities:

• Involved in Design and Development.
• Developed the application using Agile Methodology.
• Involved in writing the action classes and from beans for different modules using Spring MVC.
• Involved in developing the applications using Spring Framework for Dependency Injection.
• Involved in writing the validation rules classes for general sever side validations for implementing validation rules as per the design.
• Developed back-end logic with Core Java using technologies including Collection Framework, Multi-Threading.
• Worked on enhancements using JSP, Struts, database stored procedures and wrote SQL queries.
• Used UI components, Angular JS directives, controllers, view and routing, service modules, validations using HTML5, applying styles using CSS, used JQuery to make Ajax calls.
• Used Amazon Web Services (AWS) data store for storing the records, prescriptions, bills etc. and accessed them using AWS SDK for Java utilizing NoSQL queries.
• Created SOAP Web Services using WSDL, XML and SOAP for transferring data.
• Configured the deployment descriptors in Hibernate to achieve object relational mapping.
• Used Hibernate Cache for query to improve the application performance.
• Wrote backend scripts that performed maintenance tasks on the contract data using JDBC.
• Developed Stored Procedures and Triggers on Oracle Database.
• Deployed AJAX call for asynchronous data retrieval from back-end.
• Used Maven to build the J2EE application.
• Build & Deployment in WebSphere Application Server.
• Understanding server configuration and diagnose problems in a time sensitive manner.
• Code walk through, modules integration and unit testing.
• Fix problems discovered that are within the existing system functionality (Preventive Maintenance).
• Used Log4j for logging purposes.
• Designed use cases, sequence and class diagrams, activities, states, objects and components. Used UML (MS Visio) for software design.

Environment: Java 1.7, Servlets, JSP, JUNIT, Spring 2.5.6/3.0, Spring ORM, Spring Form tags, JSTL, Hibernate 3.0, Oracle11g, Maven, Apache Tomcat Server, SOA, Eclipse IDE 3.7, Jasper, Log4J, Ajax, SOAP, PL/SQL, HTML, CSS, JavaScript, JQuery, Swing, JSON, SVN.

Confidential

Java Developer

Responsibilities:

• Understanding Use requirements participating in design discussions, implementation feasibility analysis both at front-end and backend level, documenting requirements.
• Coded Action classes, Java Beans, Service layers, Business delegates, to implement business logic with latest features of JDK1.5 such as Annotations and Generics.
• Designed and developed User Interface with JSP, HTML, CSS, XHTML, JSTL, JavaScript, Custom Tags, Struts Tiles and Struts Tag library.
• Used Validator framework for validation of client-side data and exception handling using Strut’s exception handler.
• Worked on Web services using standard Web protocols such as XML, SOAP, and HTTP.
• Involved in the Struts upgrade to 2.X which involved in changes to action class.
• Migrated Jsp's from Struts1 to Struts2 eliminating custom tags.
• Developing Java Web Services for different phases. Used Struts2 framework to handle application requests using SOAP web services. Implemented the data persistence using Hibernate.
• Used JDBC driver to connect to the Oracle database for all data transactions
• Developed the application using IntelliJ IDE and used WebLogic server to deploy the applications and worked on the JMS queues and configured on WebLogic server.
• Used SVN to manage the versions and Merge the code. Used Log back for writing the logs including errors, warnings, info.

Environment: Java, HTML, XHTML, CSS, JSTL, JavaScript, JSP, Servlets, Java Script, Custom Tags, JDBC, SOAP, HTTP, XML, IntelliJ IDE, WebSphere, JMS, Oracle, Log4j, SVN.