SUMMARY

• Around 7 years of professional experience in application analysis, design, development, integration, and maintenance / support for web, standalone and client/server - based software applications in financial services, insurance and Telecommunication industry domains.
• Strong experience in Spring 4.2.0 Framework modules such as Spring Core (IOC, Dependency Injection), Spring MVC, Spring AOP, Spring Cloud, Spring Data, Spring Security, Spring REST and Spring Boot.
• Good Working knowledge of ANT, MAVEN, Gradle.
• Expertise in UI technologies like Java Swing, Java FX, XML, XML Spy, HTML, HTML5, DHTML, XHTML, CSS, CSS3, JSP, PHP, XSLT, JSON, jQuery, AJAX, JavaScript, AngularJS, ReactJS, BackboneJS.
• Hands-on experience working and customizing Bootstrap framework to achieve responsiveness.
• Experience in creating Single Page Applications (SPAs) using JavaScript libraries like AngularJS.
• Used Grails, front end libraries such as JavaScript/jQuery, HTML, San d-slight techniques applied in Groovy .
• Complete understanding of HCI theories.
• Strong database concepts with extensive knowledge in ER design, normalization, domain/tuples calculus, data modelling, creating databases, tables, views, stored procedures, and triggers using SQL and PL/SQL with experience in writing complex SQLs, calling them in the applications and optimizing the queries.
• Experience in working with Relational databases like Microsoft Azure SQL Server, SQL Server 2000, MySQL, Oracle DB 10g/ 11g, IBM DB2 and Non-Relational Databases like MongoDB, Cassandra.
• Expertise with tools like Google Virtual Machine, Azure data studio, MY SQL Workbench, SQL Developer and TOAD tool for accessing the Database server
• Experienced in working with Spring JDBC Templates, JMS Templates, Spring EAI, Spring Rest Templates
• Experience in implementing SOA and Web Services using SOAP, REST, JAX-WS, JAX-RS, AXIS.
• Strong understanding of Microservices Design patterns
• Experience in Agile software development process, Test Driven Development and Scrum methodologies.
• Diverse experience utilizing tools in N-tier and Microservices architecture applications using Spring Boot, Spring Cloud config, Netflix OSS components (Eureka, Zuul, Hystrix), Pivotal Cloud Foundry, AWS, Rabbit MQ, Kafka, Zookeeper, Cassandra, My SQL, Restful Web Services.
• Strong Knowledge in scripting technologies like Python, Shell, Groovy on Grails and Perl .
• Worked on creating Docker images, Containers, push/pull and on integration with Spring Boot.
• Proficient in developing UML/Vision diagrams using tools like Enterprise Architect, Visio and Rational Rose.
• Designed and implemented interface elements using Google Web Toolkit GWT.
• Extensive experience in testing on multiple operating systems including Unix, Linux and Windows.
• Experience in configuring and deploying the applications on Tomcat, WebSphere, WebLogic, JBoss.
• Expertise in using configuration management tool like SVN and GIT for version controlling.
• Well experienced in using JUnit, Log 4J, SOAP UI and POSTMAN for testing framework.
• Expertise on Selenium Data Driven framework and integrating it with Maven Build Management Tool, TestNG Unit Testing tool and Jenkins Continuous Integration Tool .
• Hands-on experience with computer system programming and AI.
• Excellent team player, quick learner and self-starter with effective communication, motivation and organizational skills combined with attention to details and business process improvements.

TECHNICAL SKILLS

Languages: Core Java(J2SE), J2EE, SQL, HQL, PL/SQL, C, C++ and python

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

Frameworks: Struts Hibernate ORM, Spring MVC, Spring Boot, Spring AOP, OracleReports10Gz

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, MongoDB, Cassandra.

Internet Technologies: HTML 5, JavaScript 1.8, XML 2.0, CSS 3 and CSS 4, ReactJS, jQuery 2.11, Angular JS 2.0/4.0, BackBone.JS 1.3.1, Node JS 6.0.

Cloud Environments: Azure, AWS, Google Cloud Platform, Netflix Eureka, Kubernetes.

IDE: Eclipse, NetBeans 8.0.2, IntelliJ 2019.3.3, Spring Tool Suite (STS) 3.8.3, Visual Studio 2017/Code, PyCharm 2019.3.3

Operating system: Windows 10, Linux Mint 18.1, Unix

TestingandLogging Frameworks: JUnit, Log4J, SoapUI, Test NG, easy mock and power mock.

Reporting Tools: Crystal Reports XI, SSRS 5.0, IDQ Analyst Tool 9., Swagger2& Jasper Reports 6.0

Methodologies: Agile, waterfall, TDD (Test-Driven-Development), Scrum

Build Tools: Ant 1.10, Maven 3.3.9, Gradle 3.4.1

XML & Web Services: SOAP 1.2, REST 2.0, XML, XSD, Apache Axis, DOM, SAX, JAXP, JAXB, XML Bean

PROFESSIONAL EXPERIENCE

Confidential, Austin TX

Java Full Stack Developer

Responsibilities:

• Understanding user change requirements and analyzing the source systems and developed UI components using Angular 4.0 dependency Injection, Models, data binding and controllers.
• Prepared sequence diagrams for some components.
• Involved in developing custom Angular directives, components, services, templates and integrated with Spring forms.
• Used Spring Boot Actuator to externalize application's configuration properties for different environments.
• Developed microservices with Spring Eureka to retrieve API routes for the entire cluster. Using this strategy each microservice in a cluster can be load balanced using Ribbon and exposed through one API gateway.
• Involved in various phases of Software Development Life Cycle (SDLC) such as requirements gathering, modelling, analysis, design, development and testing Followed Agile methodology .
• Used Java 1.8Lambdas to make anonymous inline function calls and used Streams to work effectively with Collection objects.
• Designed Prototype and project layout skeletons using Bootstrap, Ajax jQuery and HTML5.
• Implemented Circuit breaker pattern, integrated Hystrix dashboard to monitor Spring microservices.
• Create and configured the continuous delivery pipelines for deploying microservices and lambda functions using CI/CD Jenkins server.
• Used Hibernate, object/relational-mapping (ORM) technique for mapping data from MVC model to MySQL Relational data model with an SQL-based schema.
• Implemented application architecture of the System is based on Spring MVC (Model View Controller) Integrated application with Spring Security for form-based authentication.
• Provided a UI to enter user's query which would be parsed and executed internally, and result would be displayed on the web interface.
• Worked with Container service Docker with build port and other utilities to deploy Web Applications.
• Installed, secured, and configured AWS cloud servers and Amazon AWS virtual servers (Linux).
• Deployed Spring Boot based microservices Docker container using AWS EC2 container services and AWS admin console.
• Worked on spinning up AWS EC2 instances, Creating IAM Users and Roles, Creating Auto Scaling groups, Load balancers and monitoring through Cloud Watch for the applications, S3 buckets, VPC etc.
• Deployed applications on multiple WebLogic Servers and maintained Load balancing, High availability and Fail over functionality.
• Used GIT for version control, experience with GIT-Bash and GIT-Hub.
• Created Ansible playbooks to automatically install packages from a repository, to change the configuration of remotely configured machines and to deploy new builds.
• All aspects of testing JUnit, FIT, and SIT, End to End, Regression, User acceptance and Performance.
• Developed Unit test cases using JUnit, Mockito and Easy mock.

Environment: HTML 5, CSS 3, Bootstrap, Java SE, JDK 1.8, Angular 4.0, Node JS JavaScript, Ajax, Maven, Spring 4.x, Hibernate 4.x, Docker, REST, WebLogic Server, Kubernetes, Jenkins, GIT, Junit, Mockito, MySQL, MongoDB, Agile Scrum.

Confidential, Chicago, IL

Java/J2EE Developer

Responsibilities:

• Java developer involved in back end and front-end developing team. Took part in developing, maintaining, reviewing and supporting quality code and services.
• Involved in Daily SCRUM meetings and weekly SPRINT Meetings.
• Handled Java Multi-Threading part in back-end component, one thread will be running for each user.
• Implemented and developed UI components using Angular JS features like dependency Injection, Models, data binding and controllers.
• Developed Interactive web pages using HTML5, CSS3, JavaScript and Bootstrap.
• Exposing the Microservices to base on RESTful API utilizing Spring Boot with Spring MVC.
• Implemented Rest based web services using JAX-RS annotations, Jersey Provider and consumed using HTTP services from Angular JS modules.
• Developed Application to asses JSON and XML from Restful web service using Angular JS.
• Implemented the application using design patterns such as Session Facade, Business Delegate, Bean Factory, Singleton, Data Access Object, and Service Locator.
• Implemented various features of spring framework such as Dependency Injection, IOC, Annotations and Spring integration with Hibernate.
• Extensively used Hibernate 4.2 concepts such as inheritance, lazy loading, dirty checking and transactions .
• Implemented application architecture of the System is based on Spring MVC (Model View Controller) Integrated application with Spring Security for form-based authentication.
• Involved in securing the REST API’s by implementing OAuth2 token-based authorization scheme using Spring security.
• Worked on REST APIs, and Elastic Search to efficiently handle and searching JSON data.
• Experienced in working with Spring JDBC Templates, JMS Templates, Spring EAI, Spring Rest Templates.
• Extensively used Hibernate 4.2 concepts such as inheritance, lazy loading, dirty checking and transactions .
• Used Hibernate, object/relational-mapping (ORM) technique for mapping data from MVC model to MySQL Relational data model with an SQL-based schema.
• Experience in working with Spring Quartz framework and developed various quartz jobs
• All the functionality is implemented using Spring IO / Spring Boot, Thyme leaf and Hibernate ORM.
• Performed importing data from various sources to the Cassandra cluster using Java/Python APIs.
• Configured internode communication between Cassandra nodes and client using SSL encryption
• Developed Applications using Rule Engines, Drools 4.x, and ILOG to validate the business User Roles.
• Administered and deployed applications into jBoss Server.
• Used Java Messaging Services (JMS) for asynchronous exchange of information such as payment status.
• Worked on creation of Docker container images, tagging, pushing images, integration of Spring boot.
• Apache Ant was used for the entire build process.
• Worked on Spring cloud for Routing, Service-to- service calls, Load balancing.
• Worked on creation of custom Docker container images, tagging, pushing images, integration of Spring boot.
• Used SVN as version management, Jira for defect management system.
• Used JUnit for unit testing of the application and log4j for logging.

Environment: Java 1.7, hibernate 4.0, Spring IOC, Web Services, HTML5, Java Script, CSS3, JQuery, XML, AngularJS, Node JS, Java Swings, Agile ActiveMQ and Scrum, Cassandra, Spring MVC, Spring ORM, Scala, Agile Méthodologie, Jenkins, Docker, Design Patterns, Apache Maven, Junit, Jenkins, Log4j.

Confidential, Collierville, TN

Java Developer

Responsibilities:

• Involved in the design and development phases of Agile Software Development.
• Developed web GUI involving HTML, React JS, Java Script under MVC architecture.
• Develop various screens for the front end using ReactJS and used various predefined components from NPM (Node Package Manager) and Redux library.
• Created Managed Beans for handling JSF pages and logic for processing of the data on the page.
• Used Object/Relational mapping tool Hibernate to achieve object to database table persistency.
• Involved in configuring hibernate to access database and retrieve data from the database
• Worked with NoSQL MongoDB to store, retrieve, and update and manage all the details for customer order tracking.
• Worked on creation of MongoDB databases, collections and deploying JavaScript's using mongo shell.
• Created simple user interface for application's configuration system using MVC design patterns
• Created and injected Spring services, Spring Controllers and DAOs to achieve dependency injection and to wire objects of business classes.
• Used Spring Inheritance to develop beans from already developed parent beans.
• Involved in the configuration of Spring Framework and Hibernate mapping tool.
• Monitoring WebLogic/JBoss Server health.
• Written Web Services (JAX-WS) for external system via SOAP/HTTP call.
• Did load testing of SOAP Web Services using SOAP UI and Apache JMeter tools. Used Log4j framework to log/track application.
• Involved in developing SQL queries, stored procedures, and functions in MYSQL database.
• Used Rational Clear Case for Version Control.

Environment: FileNet, Scala, Java 1.5, JSP, Servlets, Core Java, Spring, Swing, Hibernate, JSF, SOAP/HTTP, HTML, CSS, JavaScript, ReactJS, JAX-WS, Web Services- SOAP, SOAP UI, XML, IBM WebSphere 6.1, JMeter, Rational Clear Case, Log 4j, IBM DB2.

Confidential, Oklahoma City, OK

Java Developer

Responsibilities:

• Built Rich Prototypes and Applications using HTML, CSS, JavaScript, jQuery, Ajax, JSON, Ruby and rails, Bootstrap with MySQL database.
• Developed source code to consume JSON response received through XHR/AJAX calls using jQuery.
• Participated in development of a new business application for the layout using Grid orientation model Bootstrap framework.
• Integrated the frontend jQuery UI with backend REST API.
• Worked with core java and Drool rule engine and participated in all aspects of software life cycle including analysis, design, development, production deployment and support.
• Designed and Implemented the DAO layer using Spring, hibernate .
• Implemented RPC integration style using Restful web services .
• Used Spring Core for concept Inversion of control (IOC) implemented using dependency injection.
• Implement the authentication, authorization, and access-control features by using Spring Security.
• Developed application using Spring MVC, JSP and AJAX on the presentation layer, the business layer is built using spring and the persistent layer uses Hibernate.
• Created Stored Procedures, User Defined functions, Views and implemented the Error Handling in the Stored Procedures and SQL objects and Modified already existing stored procedures, triggers, views, indexes.
• Developed test scripts in Selenium Web Driver using Java Language. Developed unit testing using JUnit.
• Used JENKINS for continuous integration (CI) and continuous deployment (CD).
• Created and maintained complex triggers for logon and some R/I.
• Facilitated User Testing sessions to solicit feedback on prototypes.

Environment: Struts 2.0, Hibernate 3.0, JSP, JSON, JavaScript, Bootstrap, SOAP, Oracle, PL/SQL, Eclipse, Bean, Junit, JBOSS, Struts, DAO, AOP Spring, Spring Core, MVC Spring, AJAX, Jenkins

Confidential, Dallas TX

Jr. Java Developer

Responsibilities:

• Designed the application using the J2EE design patterns such as Session Façade, Business Delegate, Service Locator, Value Object, Value List Handler, Singleton.
• Developed Use case diagrams, Object diagrams, Class diagrams, and Sequence diagrams using UML.
• Developed presentation tier as HTML, JSPs using Struts Framework.
• Developed the middle tier using EJBs.
• Developed session, entity beans and message driven beans.
• Entity Beans used for accessing data from the SQL Server database. jQuery opinionated about how a CRUD (Create, Read, Update, Delete) application should be built.
• Prepared high and low-level design documents for the business modules for future references and updates.
• Deployed the application on WebSphere application server in development and production environment.
• Undertook the Integration and testing of the different parts of the application.
• Developed automated Build files using ANT.
• Used Subversion for version control and log4j for logging errors.
• Developed test scripts in Selenium Web Driver using Java Language. Developed unit testing using JUnit.

Environment: Java/J2EE, Struts 1.2, Tiles, EJB, JMS, Servlets, JSP, JDBC, HTML, CSS, JavaScript, JUnit, WebSphere 7.0, Eclipse, SQL Server, log4j, Subversion, Selenium Web Driver, Windows NT