SUMMARY

• A hands - on, passionate professional; with over 8+ years of experience in handling several design and development projects dat resulted in up-to-date, advanced web enabled systems utilizing multiple new development technologies which improve productivity and system life-cycle.
• Involved in teh key roles of teh Software Development Life Cycle including Requirement Analysis, Preparations of Technical Specifications Document, Design and Coding, Application Implementation, Unit testing and System Testing, Functional and Regression Testing and Production Support.
• Strong Experience with UML methodologies involving Use cases, Sequence Diagrams, Activity Diagrams, and Class Diagrams.
• Expertise in coding business components using various API’s of Java like Multithreading, Collections.
• Expertise in front-end technologies such HTML/HTML5, CSS/CSS3, JQuery, Bootstrap, JavaScript, Angular JS, D3.js, Ext JS 6.0 (MVVM) and Ajax.
• Worked on Service Oriented Architecture (SOA) such as Apache Axis web services which use SOAP, WSDL. Exposure to JAXB & JAX-WS.
• Experience developing microservice to provide RESTful API utilizing Spring Boot with Spring MVC.
• Strong development experience in using J2EE, Servlets, Spring, JSF, Spring MVC, Apache Struts, Hibernate, JDBC, JMS, JavaBeans, JPA, JNDI, RMI, EJB, Java Mail, ORACLE, SQL Server 2008, SQL and PL/SQL. Worked with bug tracking tools like JIRA.
• Experience in using AWS compute services EC2, Lambda, Auto Scaling and AWS Storage service S3, EBS. Implemented Lambda functions using Node JS and AWS S3.
• Extensive experience in using teh MOM with Active MQ and Kafka.
• Extensive experience in writing teh Apache Camel routing in SOA platform.
• Experience using micro service architecture, with Spring Boot-based services interacting through a combination of REST and RabbitMQ or Apache Kafka message brokers.
• Expertise in n-tier and three-tier Client/Server development architecture and Distributed Computing Architecture. Incorporated XML Parsers such as DOM and SAX.
• Good work experience on RDBMS like Oracle and MySQL. Creating SQL statements & Sub queries.
• Actively involved in teh Devops streamlining process through Jenkins CI and CA Release Automation.
• Have Good Knowledge in Node JS.
• Design and development of web-based applications using different Web and application servers such as Apache Tomcat, Web Sphere, JBoss and WebLogic.
• Implemented Unit Testing using JUnit and Integration testing during teh projects.
• Experience with using IDEs: Eclipse, Net Beans and IBM Rational Application Developer (RAD) for Web Sphere Software. Version Control Systems: CVS, SVN, GIT.
• Experienced in developing custom components, layouts and plugins inside Grid systems in Ext JS.
• Proficient with Software development methodologies like Agile Methodologies.
• Strong experience in Client-Server systems using Object Oriented Concepts and Design Patterns.
• Excellent Core Java development skills.

TECHNICAL SKILLS

Java Technologies: Java, J2EE Technologies (Servlets, JSP, JMS, AMQP, RMI and EJB), Struts, DHTML, XML, Ajax, XSL, Applets, Servlets, EJB3.0, JDBC, XSLT, Web Services, UM, Spring, Hibernate.

Scripting: Angular JS, Node JS, Backbone JS, JQuery, Java Script, HTML, CSS

Design Patterns: Singleton, MVC, Front Controller, Business Delegate, Service Locator, Session Façade, DAO, BO, Abstract service pattern and Value Objects Patterns.

Frameworks: Struts, spring core3.0, Spring MVC, Hibernate, SOA, WSAD Oracle JDeveloper and JSF.

Application Servers: Apache Tomcat, WebSphere 5.0/5.1/5.1.2 , WebLogic 7.0/8.1 and JBoss

Relational Databases: Oracle, MySQL, SQL Server

No SQL DB: Cassandra, Mongo DB, Dynamo DB.

Cloud: Amazon Web Services (AWS), Microsoft Azure.

SOA Technologies: REST, SOAP, WSDL, JAXP, JAX WS.

XML Technologies: Schema, DTD, SAX, DOM, XPath, JDOM, HTML 3.x,4.x/5.x and JAXP.

Testing Tools: Junit, Neoload, JMeter, Fiddler, Postman, JIRA and SOAP UI

Configuration: Maven, Jenkins, ANT.

IDEs: IBM RAD (7.x), Eclipse, NetBeans.

Tools: SQL Query analyzer, SQL advantage, SQL Server, SQL Developer, Team Track, Junit

Others: Postman, Concur, Web driver, Rich Faces, JMS, Jasmine

SDLC Methodologies: Agile Methodology, Waterfall and Iterative

Operating System: Windows98/XP/Vista/7/8/8.1/10, Unix/Linux

PROFESSIONAL EXPERIENCE

Confidential, Sacramento CA

Full Stack Developer

Responsibilities:

• Involved in developing teh application using Java/J2EE platform. Implemented teh Model View Control (MVC) structure using spring Designed Frontend using JavaScript Framework using Angular 5.
• Developed Controller for request, response paradigm by Spring Controllers using Spring-MVC.
• Configure Maven for project compilation and building.
• Wrote Action classes, Request Processor, Business Delegate, Business Objects, Service classes and JSP pages. Developed application using POJO on Eclipse IDE.
• Developed Hibernate in Data Access Layer to access and update information in teh database.
• Used JavaScript and jQuery for providing client-side validation and Spring Validator for server-side validation.
• Used SVN for version control management.
• Extensively used IBM DB2 and used spring data for mapping repository.
• Build front end prototype using Html5, Css3, Bootstrap, JavaScript, jQuery, JSP.
• Developed Python scripts to automate teh deployments to teh WebSphere application server.
• Involved in writing Hibernate Query Language (HQL) for persistence layer.
• Implemented teh Web Services functionality in teh application to allow access by external applications to teh data. Deployed teh application in IBM WebSphere Application Server 8.0.
• Participated in teh technical code reviews, prepared unit test cases, detailed time estimation and impact analysis and code review documents
• Involved in Production Support and foreseeing teh Potential Issues, doing hot fixes and escalating to teh higher levels.

Environment: Java (JDK 1.8), HTML5, CSS3, JavaScript, Spring Boot, Hibernate, RAD, jQuery, Hibernate, Spring Framework, Spring MVC DB2, Maven, JSTL, WebSphere, GitHub, SVN, ANT.

CSX, Jacksonville, FL Mar 2017- Jun 2018

Full Stack Developer

Confidential 

Responsibilities:

• Involved in gathering requirements and built technical specifications from teh requirements.
• Waterfall methodology was used to develop teh application.
• Designed and developed teh UI of teh application using HTML5, CSS3, JavaScript, Angular 4 and Bootstrap.
• ImplementedAngular2Services for connectivity between web application and back-end API'S using TypeScript.
• CreatedAngular2components, implemented interpolation, input variables, NgFor, Ngif, Router Outlet, binding teh events, decorators.
• Used JSON for data interchange, as it's faster and can be parsed using JavaScript.
• Used GitHub as a Version Control System to maintain teh update.
• Developed Out of box EXT JS Custom Components, Layouts and plugins inside Grid systems. Also used Twitter Bootstrap CSS for custom design pages.
• Designing and developing teh Spring - boot REST services to push data to PostgreSQL, save logs to AWS S3, validated and authorized other REST services.
• Implemented Object-relation mapping in teh persistence layer using hibernate(ORM) framework. Extensively used DAO patterns, including mapping DAO objects, configure file and classes to interact with database.
• Worked with Amazon Web Services (AWS) and deployed application in Amazon Elastic Compute Cloud (EC2) cloud services.
• Involved in project deployment using Jenkins and using web services like Amazon Web Services EC2, AWS S3, Cloud Watch.
• Designed and developed teh database tables and Stored Procedures, functions, triggers using SQL, PL/SQL.
• Automated teh build jobs using Jenkins from enterprise Github.
• Exposed RESTful web services by developing consumer and producer using Annotations for send/receive data in JSON to/from different systems.
• JUnit/Mockito Frameworks were used for performing unit & integration testing by writing test cases.
• Involved in production support, monitoring server and error logs and Foreseeing teh Potential Issues, and escalating to teh higher levels.

Environment: HTML5, CSS3, Bootstrap, EXT JS, JSON, JavaScript, Angular 2, Postgre SQL, AWS EC2, S3 bucket, Cloud Watch, SQS, SNS, Jenkins, Maven, Spring Boot, STS, Github, REST, Junit, Log4J, Mockito.

Confidential- Kansas City, MO

Full Stack Developer

Responsibilities:

• Involved in developing teh application using Java/J2EE platform. Implemented teh Model View Control (MVC) structure using spring.
• Responsible to enhance teh Portal UI using HTML5, JavaScript, Angular JS, CSS3 as per teh requirements.
• Created sites to organize client contracts and to summarize monthly financial data using Ember.js, D3.js.
• Used Spring Core Annotations for Dependency Injection and used Apache Camel to integrate spring framework.
• Implemented Java and J2EE Design patterns like Business Delegate and Data Transfer Object (DTO), Data Access Object and Service Locator. Build REST services using Apache CXF.
• Used Hibernate as Persistence framework mapping teh ORM objects to table using Hibernate annotations.
• Developed and used Angular bindings for various scripting tasks in Angular JS.
• Implemented form validations across teh site using Angular JS.
• Responsible to write teh different service classes and utility API, which will be used across teh framework.
• Developed various custom Directives and services in Angular JS.
• Written DOM and SAX parsers for XML parsing and worked on JSON parsing using external libraries.
• Developed custom UI components and complex UI screens using Ext JS frameworks.
• Handled Ext JS AJAX request and response using JavaScript and JSON.
• Developed External JS codes dat can be used in several different web pages.
• Configuring teh job in Jenkins to automate teh process of running teh node js test cases.
• Designed and developed teh Data access layer using Spring-Hibernate integration.
• Developed teh service layer using teh Spring IOC.
• Create microservice to provide RESTful API utilizing Spring Boot with Spring MVC.
• Wrote AWS lambda functions using Node JS.
• Extensively used Grunt and Gulp as an associate to Node JS to establish teh connectivity between database and client.
• Massaging of data from S3 bucket and moving it to Postgres database in Heroku cloud.
• Involved in creating and deploying application using AWS EC2.
• Responsibilities include designing and developing new back-end services, maintaining and expanding our AWS infrastructure.
• Used Confluence to document and track issues and defects
• Created UNIX shell scripts to automate teh build process, to perform regular jobs like file transfers between different hosts. Used Log4j for teh logging teh output to teh files.
• Used JUnit for teh unit testing of various modules.
• Involved in production support, monitoring server and error logs and Foreseeing teh Potential Issues, and escalating to teh higher levels.

Environment: Java 1.7, Spring 3.2, Oracle 11G, IBM WebSphere, Angular JS, Ext JS, HTML5, CSS3, Bootstrap, Apache CXF, XML, Active MQ, Kafka, Splunk, Maven, Jenkins, TOAD, IBM RAD, D3.js, AWS, EC2, Bit Bucket.

Confidential, St Louis, MO

Sr. Java developer

Responsibilities:

• Design and developed teh application using Jakarta Struts Framework which is based on Model View Controller design pattern. Used Struts Validation to validate various form entities.
• User Tiles Framework to seamlessly integrate teh controller layer with teh UI layer.
• Developed user interface using JSP, JSP Tag libraries and Struts Tag Libraries to simplify teh complexities of teh application. Used XPath, XQuery, XSL, and XSLT for UI development.
• Designed and developed teh Data access layer using Struts-Hibernate integration.
• Developed Web services - WSDL and SOAP for getting credit card information from third party.
• Worked with Angular JS filters in expressions and directives to filter data in teh UI.
• Experienced in writing SOA based Enterprise Product Hub Web Service using JAX-WS, JAXB and SOAP. Used Ext JS to build GUI controls of teh application.
• Designed front-end within object-oriented JavaScript framework like Angular JS, Ext JS.
• Used Active MQ for messaging and extensively used OO Design Patterns.
• Developed JAX-WS Web Service Components for Customer Search and Customer Details Management Services. Used Maven as teh build tool for teh application.
• Worked with Widgets and Charts which are provided by External JS libraries.
• Implemented teh logging framework in teh SOA environment.
• Designing and developing Web application to generate reports usingJava-J2EEtechnologies.
• Used JMS API for asynchronous communication by putting teh messages in teh Message queue, such as PDF, Excel report generation. Written automation scripts using Python.
• Developed teh presentation layer written using Angular JS, JSP, HTML, CSS and client-side validations were done using jQuery. Implemented teh logging framework in teh SOA environment.
• Performed unit testing using JUNIT framework and used Struts Test Cases for testing Action Classes.
• Implemented MVC architecture using Angular JS.
• Developed Python scripts to automate teh deployments to teh WebSphere application server.
• Used Rational Clear Case and Clear Quest for version control and change management.

Environment: JDK 1.5,J2EE, Struts 1.2, Angular JS, EXT JS, JSP1.2, JMS, XML, Python, XSLT, SOAP, WSDL, SOA, Spring-Hibernate, JavaScript, JQuery, UML, PERL, HTML5, CSS3, Bootstrap, JNDI, CVS, JUnit, Mockito, WebSphere, Rational Rose, Maven, Jenkins, Oracle 10G.

Confidential, Tampa, FL

Sr. Java/ J2EE Developer

Responsibilities:

• Worked on complete life cycle, Design, development and testing using OOA and OOD.
• Used JSP, HTML, and CSS for content layout and presentation.
• Used JQuery for UI and AJAX for reports display
• Created teh web application using MVC pattern to manage runtime content, in teh form of POIs.
• Used Web Services to extract customer related product data from machines and servers using WSDL, XML and SOAP using Service Oriented Architecture.
• Worked on teh design and development of application in Hibernate framework
• Implemented teh functionality of fetching of data from different sources and persisted teh data through Hibernate, to separate DAO layer from Database layer and using corejavaclasses.
• Worked on Multi-threading and thread pool design pattern.
• Worked on regenerated code, through Hibernate, and created services for existing modules and tested them through JUnit.Deployed teh application on JBoss application servers.
• Implemented business logic using Session Beans and PL/SQL stored procedures
• Designed developed and maintained teh data layer using Hibernate and performed configuration of Struts, Application Framework.Participate in technology/tools evaluation and software technical proof of concepts. Used JUnit for Unit testing teh application.
• Performed production support of teh application in production.
• Developed and maintained ANT Scripts.

Environment: CoreJava,J2EE, HTML, CSS, XML, JQuery, JSP, Servlets, MVC, JBoss, Hibernate, Web services, ANT, SOAP, WSDL, JavaScript, PL/SQL, CVS, Oracle 10G, JUnit, UNIX.

Confidential 

Java/J2EEDeveloper

Responsibilities:

• Responsible for gathering business and functional requirements from teh users
• Analyzed Use Case Diagrams and created various UML Diagrams such as class and sequence diagrams. Development of Web components such as JSP, CSS, AJAX, and Taglibs.
• Followed Spring MVC framework to develop teh application for teh project
• Played key role in teh design and development of application usingJ2EE, EAD4J technologies/framework using SOA
• Leveraged teh homegrown framework to handle exceptions
• Wrote Action classes, Request Processor, Business Delegate, Business Objects, Service classes and JSP pages. Developed application using POJO on Eclipse IDE
• Implemented various J2EE design patterns like DAO pattern, Business Delegate, Value Object.
• Migrated teh Existing Frame work to Struts Frame work and Business Logic Analysis.
• Used JSP, JSTL tag libs and JavaScript for developing teh view tier and used Service Oriented Architecture with Java and XML, Involved in critical UI feature development
• Implemented design patterns such as DAO, Session Facade and Value Objects
• Implemented teh Web Services functionality in teh application to allow access by external applications to teh data. Deployed teh application in IBM WebSphere Application Server 8.0
• Utilized Apache Axis for teh web service framework and created and deployed clients using SOAP and WSDL. Developed and implemented several test cases using JUnit and performed load testing
• Used Hibernate as ORM tool and defined teh mapping and relationship of each table in database
• Coordinated with QA team to ensure teh quality of teh application

Environment: Java,J2EE, Eclipse Juno, EAD4J, JDBC, Apache AXIS 1.4, JSP, JNDI, Spring, LOG4J, JUnit, IBM Web Sphere Application Server 8.0, SQL Client, XML, HTML, JavaScript AND DB2.