SUMMARY

• Over 6 years of professional experience in developing web, client/server applications using object - oriented design and development.
• Well versed with complete SDLC i.e. System study, Requirement gathering, Analysis, Design, Development, Testing, Implementation and Application support.
• Thorough knowledge in core Java concepts like OOP, Java, JDBC, JMS, JSP, Servlets, XML and Java Beans.
• Extensive experience in working on IDEs like Eclipse, MyEclipse, NetBeans and IntelliJ.
• Experienced in developing MVC architecture using Hibernate Framework and Spring Framework.
• Experience on OOP (Objective Oriented Programming) like Inheritance, polymorphism,
• Abstraction and Encapsulation.
• Expertise in all spring framework modules such as Spring IOC, AOP, Core, Messaging, ORM and MVC architecture.
• Expertise in development and deployment of multi-tiered web-based enterprise applications using J2EE technologies like Servlets 3.0/2.5, JSP 1.1/2.0, Struts 2.0, JMS, Hibernate 3.0/4.0, Spring 3.0/4.0, JDBC, JNDI, JSF, angular.js, Java Beans and Web services (SOAP, REST).
• Experienced in Software Development Life Cycle (SDLC) implementing Waterfall, V-Model, & Agile methodologies.
• Experience in Importing data from various sources to the Cassandra cluster using Java API’s.
• Experience in using various AWS components like EC2 for virtual servers, S3 and Glacier for storing objects, EBS, Cloud Front, Elastic cache, IAM, Cloud Watch, Cloud Formation and DynamoDB.
• Experience in various agile methodologies like Test Driven Development (TDD) and SCRUM.
• Experience in client side designing and validations using HTML, DHTML, CSS, Bootstrap, AJAX and JSP.
• Knowledge of application development for Cloud platforms using technologies like Java/J2EE, Spring Boot, Spring Cloud, Microservices. Experience in Microservices and Spring Boot application development.
• Experienced in developing REST and SOAP Web Services.
• Experience in RDBMS including Oracle, SQL Server, MySQL, and DB2.
• Sound Knowledge in Design Patterns like Singleton, Session Facade, Factory Method and Data Access Object (DAO) pattern.
• Good experience with Source code management collaboration tools GIT, SVN, Github, Bitbucket, Gitlab, AWS-Code commit.
• Development experience on Web logic, Web Sphere, JBoss, and Apache Tomcat.
• Expertise in the areas of Product Development and Distributed application development in J2EE architecture and spring implementation using MVC.
• Expertise in using various Configuration Management tools like GIT, CVS, Clear Case and SVN.
• Good knowledge in advanced Java language concepts like Multithreading and Serialization.
• Excellent team player with good management, organizational, communication, interpersonal and analytical skills.
• Quick learner with the ability to work in a fast-paced environment.

TECHNICAL SKILLS

Programming Languages: Java, C, C++, PL/SQL.

Framework: Spring, Hibernate, AngularJS, Spring Boot.

Methodologies: Agile, Scrum, Waterfall.

Web Technologies: AngularJS, JQuery, Java Script, HTML5, CSS3.

J2EE Technologies: JSP, Servlets, XML, XSL, JavaBeans, RMI, JMS, Web Services (SOAP and REST).

Middle ware: Web Logic, Web Sphere, JBoss, Tomcat.

Built Tools: ANT, Maven, Gradle

Database: Oracle, SQL server, MYSQL, DB2, Mongo DB.

Web Services: Rest, SOAP, Microservices.

IDE: Eclipse, MyEclipse, NetBeans, IntelliJ.

Version Control: GIT, CVS, Clear Case, SVN

Testing/Logging Tool: JUnit, Log4j, Jmeter

PROFESSIONAL EXPERIENCE

Confidential, Denver, CO

Full Stack Java Developer

Responsibilities:

• Involved in all phases of Software Development Life Cycle (SDLC) including analysis, design, development, and testing of the project.
• Worked on Agile Scrum methodology and involved in stand-up meetings to monitor the progress.
• Used JIRA for requirement and issue tracking.
• Created user interface using JSP, HTML, CSS and JQuery.
• Used AngularJS and jQuery library functions for the logical implementation part at client side for all the application.
• Familiar with Cucumber, Selenium Web Driver, Selenium commands and X-path and developed grunt tasks to run the unit tests on Jenkins and Used JIRA to assign, track, report and audit the issues in the application.
• Comprehensive knowledge in RDBMS databases like Oracle 10g/11g, SQL Server, DB2, and MySQL.
• Expertise with employment of Spring Kafka and Zookeeper apart from JMS as messaging service.
• Implemented Spring MVC architecture and Spring Bean Factory using IOC concepts.
• Unix shell scripts for logs and cronjobs.
• Experience in the development of the presentation tier using backbone MVC framework, struts tiles and validation framework, used best data structure to give the best performance.
• Configured Jenkins to handle application deployment in Pivotal Cloud Foundry (PCF) server and to integrate with Git Hub version control.
• Experience with CICD-Ant, Maven, Gradle, Jenkins, Hudson, CVS, Git, GitHub.
• Experience with Ant, Maven, Ant, Shell, Perl, Chef, Ansible and Puppet for script automation
• Develop Scala and Python software in an agile environment using continuous integration
• Experienced in developing UNIX shell scripts for batch processing, Perl and Python scripts.
• Wrote Selenium Automation test scripts.
• Experience using core Java APIs to build multi-threaded server-side components for large-scale Web and standalone applications.
• Prepared and maintained enhancement and production support related documents as per quality processes to ensure quality goals are met.
• Used Spring Core Annotations for Dependency Injection - Spring DI and Spring MVC for REST API s and Spring Boot for MicroServices.
• Strong at automating the release process of products using shell/Ruby scripts and build process using Ant/Maven, Jenkins/Bamboo, and Nexus. Extensively scripted in Bash, Perl, Python, and Ruby on Linux.
• Created Single Page Application with loading multiple views using route services and adding more user experience to make dynamic by Angular 2.0/4/8 framework and NodeJS.
• Utilize Spring Boot to integrate Micro services with other Micro services and RabbitMQ messaging exchanges.
• Experience in designing, deploying and operating highly available, scalable and fault tolerant systems using Amazon Web Services (AWS) and Azure.
• Developed REST services using AWS, Node JS and dynamo DB for analytics purpose.
• Experience working with drupal data management system.
• Worked on Soap UI to validate the request and responses of the services.
• Used JAVA 8 functional expressions to manipulate the complex user defined data types of Cassandra and developed Micro services.
• Designed and developed RESTFUL web services for both external and internal users.
• Used Http Client to make all rest calls.
• Used Java JDK 1.8 features like Lambda expressions and functional interfaces
• Worked on Swagger API and auto-generated documentation for all REST calls.
• Automated the continuous integration and deployments using Jenkins.
• Developed and continuously deployed java-based applications using CICD techniques. Worked on AngularJS routes using scope object to create a view using controllers.
• Expertise in Core Java with strong understanding and working knowledge of Object-Oriented Concepts like Collections, Multi-Threading, Concurrency framework.
• Implemented the search functionality for Internal Application using AngularJS.
• Created and optimized graphic prototype websites and applications interfaces using HTML and CSS.
• Used Spring Core Annotations for Dependency Injection Spring DI and Spring MVC for REST APIs and Spring Boot for micro-services.
• Extensively used Java multi-threading to implement batch Jobs with JDK 1.7 features.
• Implemented the application using J2EE 5 technologies including JBoss 4.2 AS, EJB 3, JAX-WS, JMX. Also used JBoss JBPM, Hibernate, BPEL (Apache ODE), JMX, JSF, and Spring. Developed development tools as Eclipse Plugins.
• StrongAngular5 using TypeScript with Production deployed code experience, provided thorough Enhancement and Support for a large scaleAngular5 website.
• Strong Database design and development experience, which includes developing Stored Procedures, functions using SQL and PL/SQL in MS-SQL, Oracle, DB2, PostgreSQL databases
• Designed and developed custom message adapter components using Apache Kafka that allowed message to travel through Microservices to base on RESTful API utilizing Spring Boot with Spring MVC.
• Configured internode communication between Cassandra nodes and client using SSL encryption.
• Used Gradle tools for building and deploying the Web applications, implemented the JUnit testing.
• Implemented JUnit (TDD) test cases for testing both internal and external API's functionality.
• Involved in deploying and testing the application using tomcat application server.
• Used GIT as centralized repository to make changes, creating pull requests and push the commits.
• Experienced in front End technologies such as HTML5, CSS3, JQuery, JavaScript, ReactJS, NodeJS, Angular7/8, Bootstrap, AJAX, JSON, XSD, XSTL Tag, Libraries.
• Implemented Cucumber for behavioral testing of application
• Developed the responsive UI web pages using XHTML, jQuery, HTML, CSS, Java Script, react and AJAX.
• Designed and developed Microservices using REST framework and Spring Boot.
• Experience in creating Docker images, Containers, push/pull and integrating with Spring Boot.
• Worked on Microservices architecture with Spring Boot based services interacting through a combination of REST and Apache Kafka, Zookeeper to establish communication between the Microservices in the application environment.
• Utilized AWS Lambda platform to upload data into AWS S3buckets and to trigger other Lambda functions (EC2, MongoDB) focusing on high-availability, fault tolerance, and auto-scaling).
• Experience in creating build scripts using Ant, Maven and Gradle tools and scripting Dockerfiles and deploying onto Docker containers.
• Experience in development of DAO's (Data Access Objects) to interact with the database usingJEE, Hibernate and spring data Cassandra.
• Involving in building and deploying on AWS components like EC2 and setting up AWS S3 storage Objects.
• Used Amazon Web Services (AWS) a secure cloud services platform, offering compute power, database storage, content delivery and other functionality to help businesses scale and grow.
• Experienced in upgrading to Spring RESTFul Microservices from Monolithic Services (SOA)
• Developed complex Web based UI using Struts, Ajax and Java Script.

Environment: Java, J2EE, JSP, Servlets, Hibernate, Spring, MySQL EJB, JSON, jQuery, JavaScript, HTML, CSS, Maven, WebSphere, REST Web services, Apache Tomcat, SVN, JUnit, Log4j, Windows.

Confidential, Los Angeles, CA

Full Stack Java Developer

Responsibilities:

• Worked, redesigned and developed the payment system using the ACH and credit card to meet the PCI compliance.
• Developed the application using CDI and JSF implementing controller and backend service classes.
• Designed, developed, implemented and supported the finance application, based on the business requirements.
• Created multiple reusable components and services using Angular 2 built-in and custom directives.
• Used Angular 2 and Node.JS to structure JavaScript code in an MVC (Model, View, and Controller).
• Worked with JMS API service to establish messaging between the applications.
• Modernized the old JSP servlet-based application to be attuned with the latest versions and technologies.
• Primary contact for JMS on distributed and z/OS platforms tests analysis for IBM MQ.
• Troubleshooting using trace functionality present in Apigee and Oracle API gateway management console.
• Worked on setting up the life cycle policies to back the data from AWS S3 to AWS Glacier, Worked with various AWS, EC2 and S3 CLI tools.
• Enhanced an existing AngularJS application to follow strict MVC patterns for improved source code maintenance and enhanced performance.
• Implemented Spring’s dependency injection for all the DAO’s, Service Beans
• Working with XML parsers and configuring of XML files like Web.xml, etc.
• Developed server-side application to interact with database using Spring Boot and Hibernate.
• Developed API for using AWS Lambda to manage the servers and run the code in the MongoDB.
• Worked on modernizing the IBM AS400 application using framework like Spring boot for backend and UI modules using AngularJS, Node.js, JavaScript, TypeScript, jQuery, CSS3 and HTML5.
• Responsible for developing scheduler services for the recurring job.
• Developed the automated unit test cases for the Microservices using Junit, Mockito, Sonar and jmeter and deployed them in the Jenkins pipeline.
• Deployed Spring Boot based microservices Docker and Amazon EC2 container using AWS admin console.
• Created the user interface using JSF, XHTML, Prime faces, JavaScript and jQuery.
• Designed and Developed DAOs, DTOs layer to interact with the Oracle Database.
• Developed Web Services using SOAP/REST framework.
• Worked extensively with the SVN for branching, tagging and merging the project.
• Continuous twenty-four-hour support of the application for any production issues and provided with the quick solution.
• Supported the application for regular change requests and enhancements from the business.
• Responsible for testing, debugging, bugs fixing and documentation of the system.
• Deployed and configured the application on WebLogic server.
• Worked on peer to peer code review using collaborator.

Environment: Java, J2EE, Hibernate, Spring, Servlets, Angular 2, Microservices, Spring Boot, AWS, Mongo DB JSP, JSF, XML, XSL, SOAP UI, JDBC, Oracle, HTML, XHTML, JavaScript, RESTful API, jQuery, RPG, Eclipse, JUnit, Log4j, Windows.

Confidential, Indianapolis, IN

Sr. Java Developer

Responsibilities:

• Designed business logic with consultations, based on the requirements given by business analysts for the responsible modules.
• Design and Development of service layer (involves developing Controllers and POJOs) using Spring framework.
• Involved in Requirement Gathering, Design and Deployment of the application.
• Provided technical assistance in identifying, evaluating and developing Agile methodologies and procedures that are efficient, effective and meet good business practice.
• Development of the application that was used to create dynamic JSPs, given input from a database table containing information about the contents of the JSP being developed.
• Designed and developed Rich user interface using Angular JS, JavaScript, HTML5, CSS3, AJAX and JSON.
• Experience in data modeling of Cassandra.
• Improved performance of the tables through load testing using Cassandra stress tool.
• Experience in installation and integration of Subversion with continuous integration tool Jenkins for auto build and deployment of SOA applications.
• Experience in using Struts 2.x, spring and Hibernate 3.x framework (MVC) for various Web based application development.
• Implemented build stage- to build the Microservices and push the Docker container image to the private Docker registry.
• Work with Development, Storage and Network teams in installation and administration of MongoDB in the IT Enterprise Environment.
• Implemented JAX-RS services using Spring Boot.
• Developed server-side application to interact with database using Spring Boot and Hibernate.
• Implemented Swagger Configuration in Java Spring boot for auto generating swagger Json files for REST API calls.
• Developed java code which is used in JSON file to parse incoming events into above microservices
• Designed and developed restful API and services using best practices to interact within the microservices and with the front end.
• Used Spring IOC in combinations of REST Web Service and Hibernate which provides loose coupling between user interface layer and persistence layer.
• Development Wrote complex PL/SQL queries and stored procedures for bulk processing of data.
• Used Maven Deployment Descriptor Setting up build environment by writing Maven build.xml, taking build configuration and deployment of the application on Web Logic Application Server.
• Developed a Message Driven Bean that uses JMS to manage backend transactions.
• Preparation of Test cases on JUnit during the unit testing and system testing phase.
• Used a Microservices architecture, with Spring Boot-based services interacting through a combination of REST and Spring Boot.
• Implemented data base persistence layer using Hibernate.
• Developed web-based user interface screens using HTML5 and JavaScript.
• Created CSS to get unique look and feel across the related facets.
• Developed custom Web Grid using AngularJS to display data from Oracle Database.
• Wrote SOAP and REST Web Services to bring Data from Database.
• Implemented Spring validation framework to validate the user inputs to Data from Oracle Database Dynamically.
• Development CRUD functionality for various administrative system related tables and product components.
• Performed Backend testing to verify the data integrity by passing SQL Queries.
• Added dependencies to the pom files, used to manage the project using Maven project management tool.
• Developed Application using Eclipse IDE and used GIT Version Control.
• Deployed the application on WebLogic Application Server.
• Implemented JUnit Framework for Unit Testing and Tests Runners.

Environment: Java, J2EE, JSP, Servlets, Oracle, Cassandra, Eclipse, Hibernate, Spring-MVC, GIT, JUnit, Angular JS, JavaScript, HTML5, CSS, Maven, Web Services (SOAP, REST), WebLogic, Log4j, Windows.

Confidential, Irving Tx

Java Developer

Responsibilities:

• Responsible for requirement analysis and designing the business logic based on the consultations with product owners for small business module.
• Designed and coded Hibernate Plug-In for Spring ORM mapping and implemented
• HQLs by creating DAO, which connects to Oracle DB, to persist and retrieve data.
• Used Spring framework for Dependency Injection in Data Access Objects.
• Responsible for developing the Restful Resources using REST framework.
• Configured Hibernate configuration file, developed POJO's and wrote the XML file to map objects to relational database.
• Used EJB 3.0 and JPA to display values from DB2 database on screen and to fix lots of bugs and enhancements for screen.
• Used EJB 3.0 to create service which is responsible for transferring metadata and data to each other.
• Responsible for writing optimized queries to pull data from MySQL and perform CRUD Operations.
• Developed rich user interface using HTML, CSS, JavaScript, and jQuery.
• Created Maven archetypes for generating fully functional REST web services supporting both XML and JSON message transformation.
• Used Spring IOC (Inversion of Control)/DI (Dependency Injection) to wire the object dependencies across the application.
• Used Spring MVC design pattern while developing the application.
• Used JSP in the presentation tier along with various customs tags, JSTL tags, CSS, AJAX and JavaScript.
• Involved in integrating spring with Hibernate and delegated the persistence operations using Hibernate Template.
• Developed ANT scripts for deployment builds.
• Deployed the entire application on WebLogic Application Server.
• Maintained administrative utilities like permissions/security/code management and storage and managing of system-wide lists.
• Deployed and tested the application on Apache Tomcat server.
• Developed several stored procedures and functions for BOS backup module.
• Responsible for writing unit test cases using JUnit.

Environment: Java, J2EE, JSP, Servlets, Hibernate, Spring, MySQL EJB, JSON, jQuery, JavaScript, HTML, CSS, Maven, WebSphere, REST Web services, Apache Tomcat, SVN, JUnit, Log4j, Windows.