SUMMARY

• Around 6 Years of IT experience in developing, delivering of software using wide variety of technologies in all phases of the development life cycle. Expertise in Java technologies as consultant, proven ability in project based leadership, team work and excellent analytical and communication skills.
• Strong experience in working end - to-end developmstraplife cycle(SDLC) of projects, through the gamut of phases from Requirements Gathering, Analysis, Design, Development, Testing to Quality Review up until Support in warranty and Production Support, in Agile and Waterfall methodologies.
• Specified, prototyped, developed and tested an object-oriented, multiplatform C++ framework containing support to data structures, common algorithms sockets, threading.
• Implemented Java JDBC multi-threaded programs for data loading and correct erroneous data
• Extensive knowledge in working with J2EE technologies such as Servlets, JSP, JSF, JDBC and Object-Oriented Programming techniques.
• Experience in developing web applications using technologies like HTML, XML, Java Script, AJAX, CSS, DOJO, JSP Tag libraries, GWT (Google Web Tool Kit) and Tiles.
• Having a good experience in Cassandra database modeling and administration.
• Implemented Spring Boot Micro Services to divide the application into various sub modules.
• Experience in design and development of various web and enterprise applications using Type safe technologies like Scala, Akka and Play framework.
• Developed embedded Pig Latin scripts in Python in compile, bind, run model for enabling control flow and used Pig Unit for rapid prototyping and testing scripts in local mode.
• Developed user defined functions in pig using Python.
• Develop and maintain configuration manuals, procedure manuals and standards for WebSphere & IBM HTTP Servers.
• Developed Sales and Margin module using Spring Boot, Microservices.
• Extensive Experience developing robust and highly scalable applications based on microservices architecture.
• Developing the web services using java based Play which follows reactive design paradigm coupled with Akka toolkit which provides actor based programmable system on JVM environment for achieving the desirable concurrency. Wrote Python routines to log into the websites and fetch data for selected options
• Implemented and monitored Multi DC - Multi Rack Cassandra Clusters using node tool and OpsCenter.
• Worked on evaluation of MEAN stack- Angular JS, Mango DB and Node JS.
• Implemented Docker containers and created clients respective Docker images and leveraged Apache to manage Cluster hosts for Applications.
• Expertise in JAX-RS Restful, JAX-WS Web Services application development using WSDL, SOAP, JAXB, SAAJ, SOAP/HTTP and used Apache Axis engine toolkit.
• Experience in developing applications using Struts Framework.
• Have good experience in working on Hibernate ORM mapping in accessing Oracle/MySQL Server database.
• Responsible for implementation of java integration components for JBPM and DROOLs.
• Expertise in Web-Development technologies like HTML, JavaScript, CSS, XML and XSL/XSLT, JAX and JQuery.
• Core developer of the application infrastructure using GWT as the front-end.
• Performed validation and standardization of raw data from XML and JSON files with Pig and MapReduce.
• Used to update the HTML pages using jQuery AJAX via JSON response.
• Hands on experience on JMS messaging system.
• Experience with multiple Servers like WebLogic, Jboss, Glass fish and Apache Tomcat.
• Experience and good understanding about RDBMS (Relational Database Management System) like Oracle, MySQL. Coding experience in stored procedures, Functions, Triggers.
• Integrated existing database and the Rules Engine with workflows using JBPM and deployed it to the remote server.
• Design and manipulation of JBPM process for the client activities in order to manage the people queue for each activity.
• Experience in tools and utilities like Eclipse, TOAD for Oracle, Ant, Maven, Text Pad, Win Merge, MQ Visual Edit.
• Hands on experience with UNIX Shell Scripting.
• Experience with Test Driven Development and Dockers and Node.js. Experience in developing applications using spring framework including Spring MVC, Spring AOP, Spring IOC, Spring ORM and Spring Security framework.
• Designed and Developed the UI screens using JavaScript, JQuery, Angular JS, CSS3 and HTML5.
• Installed and configured apache web servers on various Linux and UNIX servers.
• Strong analytical, problem-solving and organizational skills
• Extensive experience in Production Support Process in usage of Remedy and servicenow (emergency, maintenance and bug fix).
• An innovative team player proven to work under tight deadlines, Adaptable to new software technologies, quick learner and also can work efficiently as an individual.
• Experience in carrying out the JUnit Tests.

TECHNICAL SKILLS

Languages: Java, Python, Scala, SQL, PL/SQL, Shell Scripting, XML

RDBMS/Database Servers: Oracle, SQL Server, Hibernate, Mango DB.

Web Technologies: Struts, Servlet, Spring MVC, JSP, HTML, Angular Js, Java Script, JQuery, Json, JBPM.

Application Frame Work: Struts framework, Apache Ant builder, JSF, Hibernate, Spring Framework, Hadoop, Spark.

Distributed Technologies: J2EE1.3, EJB, JMS and RMI

XML and Web-Services: XML, SAX/DOM/JAXB Parsers, XSLT, SOAP, WSDL, SOA, RESTful

Web/Application Servers: WebLogic, Apache Tomcat, JBOSS, Glassfish, Web Sphere.

IDE/ Tools: PL/SQL Developer, TOAD, SQL Developer, WINSCP, vi Editor, Eclipse, NetBeans, Putty, SVN, MS Office, MS ProjectNetworking Protocols TCP/IP, HTTP, HTTPS, FTP, TELNET, SOAP, RMI

Expert Systems: JESS (Java Expert System Shell)

Unit Testing / Build Tools: JUnit, Ant, Maven, Jenkins, Log4j, ETL, Rational Rose.

Operating Systems: MS-DOS, Windows95/98/NT/2000/Xp, UNIX

PROFESSIONAL EXPERIENCE

Confidential, Frisco, TX

Sr J2EE Developer

Responsibilities:

• Worked on Agile Environment having daily stand up meetings, pre-planning and planning meeting and also face-to-face communication.
• This web-based application was designed, implemented and tested the Spring Domain Model for the services using Core Java.
• Developed presentation layer using JSP, HTML, CSS, AJAX, JavaScript, JSTL taglibs.
• Involved in implementation of application using conventional design practices (Web-Service Oriented Architecture, MVC-Model View Controller).
• Designed and developed Business components and Integrated with spring framework.
• Importing and exporting data into HDFS and Hive using Sqoop.
• Integrated spring framework with Hibernate that is used for Database operations.
• Used GIT as Source Version control management system and worked on GITHUB repository.
• Coding the programs in accordance with Program Specifications and adhering to Coding standards.
• Implemented consumer and provider services using RESTful web services.
• Responsible for compiling and submitting an error report for management each week.
• Involved in Unit & Integration Testing for different Modules in the application.
• Implement solutions focusing on reuse and industry standards at a program, enterprise or operational scope.
• Developed complex Map Reduce programs in Java for Data Analysis on different data formats.
• Implemented Java/J2EE Design patterns like Business Delegate and Data Transfer Object (DTO), Data Access Object.
• Created and injected spring services, spring controllers and DAOs to achieve dependency injection and to wire objects of business classes.
• Implemented Spring Boot Microservices to divide the application into various sub modules.
• Sourced candidates in various domains such as UNIX, Java, Oracle, ERP, Telecom, Testing, Perl etc. and all Information Technology Segments.
• Developed rule modules using Rule Engines, Drools.
• Completed free-lance perl programming projects for businesses.
• Configured Selenium Web Driver, TestNG, Maven tool and created selenium automation scripts in java using TestNG prior to agile release.
• Developed a web 2.0 control console using GWT to manage data matching for data staging.
• For saving/ retrieving the data through JSON objects, we implemented AJAX calls to interact with mobile web interface and the existing backend framework.
• Worked on Java Script libraries like jQuery and JSON.
• Monitored the error logs using Log4J and fixed the problems.
• Used AJAX and JSON to send request to server and updating GUI pages using callback functions.
• Used Hibernate, object/relational-mapping (ORM) solution, technique of mapping data representation from MVC model to Oracle Relational data model with an SQL-based schema.
• Identify production and non-production application issues.
• Identify opportunities to fine-tune and optimize applications of java developed projects.
• Provide technical support and consultation for java application and infrastructure questions.
• Develop and execute unit test plans using JUNIT test cases.
• Implemented POC in spark and Scala to process big data.

Environment: JAVA, Scala, J2EE, Perl, Eclipse, Spring, Hibernate, JSP, Servlets, JDBC, XML, CSS, Oracle, PL/SQL, Toad, JUnit, Apache Tomcat, Drools, SVN, JSON, Maven, Jenkins ServiceNow, RESTful Web Services, Spark, UNIX, SVN, Hadoop, MapReduce, Microservices, hive, Sqoop.

Confidential, San Diego, CA

Jr.J2EE Developer

Responsibilities:

• Developed JSPs for user interfaces to interact with business layer. Developed Servlets to communicate with the other components under Spring Framework.
• Involved in the development of the presentation tier using JSP, HTML, CSS, XML, XSL, JavaScript and Servlets for login, find Subscriptions and create contract modules.
• Involved in writing code for Form Beans, Java Actions, DTO and DAO for accessing business methods in the business layer.
• Good experience in developing Multi-Threading and Backend batch operations.
• Used Hibernate (persistence framework) to implement the Database Access layer.
• Developed and deployed SOAP based JAX-WS Webservices and deployed Web services on Apache Tomcat 5.
• Developed application front-end using Spring MVC.
• Implemented DAO layer by integrating, Spring & Hibernate for ORM mapping and Oracle in the backend.
• Implementation using Spring Framework along with POJO (Plain Old Java Objects) for achieving middle-ware service delivery.
• Development of Microservices using Spring Boot, Spring Rest and Spring WS and deployed in cloud using PCF (Pivotal Cloud Foundry).
• Developed and tested website using the MEAN (Mongo DB, Express.JS, AngularJS, Node.JS) stack.
• Experience in Cassandra systems backup and recovery. Part of the team responsible in creating the architecture for staging environment for the Oracle database.
• UsedWeb services-WSDLandSOAPfor testing.
• UsedsoapUIfor load testing the Web Services.
• Developed web services in Java with Apache Axis.
• Extensively used JQuery, Node JS, backbone, bootstrap, JSON, AJAX and DOM scripting to create interactive web applications like message posting and auto complete form for secured validations.
• Designed OLAP solution to perform multidimensional analysis of financial data with existing Oracle database at the backend.
• Responsible for building Pentaho ETL code as a replacement code for existing Informatica to run in Java Environment.
• Developed REST APIs using Java, Play framework and Akka.
• Akka stream to load data between the system.
• Executed business processes using JBPM (Java Business Process Management) 6.0 tool.
• Used MVC Framework Angular.js in the development for data binding and to consume web services.
• Designed and developed Java Message Service (JMS) for asynchronous exchange of data in the reporting engine that produces reports and Email it to the client.
• Verify data integrity for complex mathematical calculations and totals based on specific criteria for user interface and back-end processes using SQL Navigator and Toad.
• Used ETL code review tool Undervalue to check Informatica standards.
• Built web-based maintenance application to maintain complex specification documents. Used JQuery and iBatis against a MySQL database.
• Used JBPM tool to manage the processes and automate project needs.Good working knowledge of XML (DOM, SAX), Multithreading, Collections and Exceptions Implemented different validation control on the web-pages using Angular JS.
• Involve in complete release management for UNIX, DB & ETL Migration of Application to Production Environment.
• Played a significant role in integrating the UI with backend service used spring, Hibernate. Java and SQL.

Environment: JAVA, J2EE, Eclipse, Spring, Mango DB, Hibernate, JSP, Servlets, JSON, Microservices, Log4J, JBPM, JDBC, XML, UNIX, CSS, Oracle, AKKA, PL/SQL, Toad, ETL, Apache Axis Web Services, SVN, JQuery, AJAX and tomcat.

Confidential, Milpitas, CA

J2EE Developer

Responsibilities:

• Developed JSPs for user interfaces to interact with business layer. Developed Servlets to communicate with the other components under Spring Framework.
• Used Quartz job scheduler, to schedule daily monitoring jobs, Data feed jobs and bounce jobs.
• Involved in the development of the presentation tier using JSP, HTML, CSS, XML, XSL, JavaScript and Servlets for login, find Subscriptions and create contract modules.
• Involved in writing code for Form Beans, Java Actions, DTO and DAO for accessing business methods in the business layer.
• Extensively used Akka actors architecture for scalable & hassle free multi-threading
• Developed web applications using JQuery, Angular JS, T3 JS, AJAX, JavaScript, CSS and HTML.
• Designed and developed User Interface using JSP, HTML5, CSS3, JavaScript, jQuery and XML in a responsive grid layout.
• Used JavaScript with JQuery library for web development along with HTML, CSS.
• Good experience in developing Multi-Threading and Backend batch operations.
• Used Hibernate (persistence framework) to implement the Database Access layer.
• Developed and deployed SOAP based JAX-WS Webservices and deployed Web services on Apache Tomcat 5.
• Developed script to run night batch process using python.
• Implemented swagger for the rest API. Dockerized the applications using Docker. Deployed application into Docker container and monitored on GitHub.
• Defined a message store architecture necessary to support drools rule engine input processing, scalability and recovery.
• Wrote various types of Business rules in the. drl and ece using Drools rule engine for business decision-making.
• Utilize PyUnit, the python unit test framework, for all python applications.
• Created User Controls and simple animations using JavaScript and Python.
• Generated Python Django forms to record Data of online users.
• Developed application front-end using Spring MVC.
• Implemented DAO layer by integrating, Spring & Hibernate for ORM mapping and Oracle in the backend.
• Responsible for using Micro Services in project Module.
• Used the J2EE components like JSP's, Servlets and implemented Spring framework for MVC architecture, Micro services and Dockers.
• Used Spring Boot which is radically faster in building cloud Micro services and develop Spring based application with very less configuration.
• Implementation using Spring Framework along with POJO (Plain Old Java Objects) for achieving middle-ware service delivery.
• Deployed the EARs and WARs in Web sphere Application server using ANT script.
• Build application with ANT tool and deployed the application on IBM Web sphere application.
• A Web Sphere JNDI naming tree is maintained for the external configuration of a service.
• Involved in creation and deployment of Enterprise Application.
• Part of the team responsible in creating the architecture for staging environment for the Oracle database.
• UsedWeb services-WSDLandSOAPfor testing.
• UsedsoapUIfor load testing the Web Services.
• Developed web services in Java with Apache Axis.
• Designed OLAP solution to perform multidimensional analysis of financial data with existing Oracle database at the backend.
• Performed regression testing to verify ripple effects of the application under test.
• Verify data integrity for complex mathematical calculations and totals based on specific criteria for user interface and back-end processes using SQL Navigator and Toad.
• Created test cases and Involved in Unit Testing using JUNIT Framework in ECLIPSE.

Environment: JAVA, J2EE, Eclipse, Spring, Hibernate, Quartz, JSP, Drools, Servlets, Python, JDBC, XML, CSS, Oracle, PL/SQL, ripple, Toad, JBPM, Junit, AKKA, Apache Axis Web Services, Web sphere, SVN, Log4J, JQuery, AJAX and tomcat.

Confidential

J2EE Developer

Responsibilities:

• Involved in Analysis and Design the Customer Management and Carrier Management modules.
• Responsible for design and developing base classes for the entire application.
• Utilized core J2EE patterns such as Singleton to implement the architecture for the system
• Responsible for Design, Implementation of struts actions and server side validations.
• Responsible for client side validations using Java Script.
• Used LDAP server for Security and User Authentication Services.
• Developed Object models and class diagrams for Customer Management.
• Developed Custom Tags to simplify the JSP code. Designed UI screens using JSP, Struts tags and HTML. Used JavaScript for client side validation.
• Used AWS SDK for connection to Amazon S3 buckets as it is utilized as the object storage accommodation to store and retrieve the files cognate to the application and additionally worked on one of the container technologies such as Docker.
• Used Struts Framework in the application which is based on MVC design pattern.
• Consumed Web Service for retrieving the information about the customer or the accounts that was to be used by the carrier business partners.
• Extensively used JQuery, React, bootstrap, JSON, AJAX and DOM scripting to create interactive web
• Used JAX-RPC to call web services described by WSDL and registered to UDDI registry.
• Writing SQL queries to insert, update database. Used JDBC to invoke Stored Procedures.
• Involved in deploying and Integration of the application in WebLogic application server.
• Developed JUnit tests, including Javascript tests, and tests for the persistence layer
• Involved for deploying the application in to the application server.
• Wrote stored procedures and did performance tuning of complex queries.

Environment: Java, Servlets, JSP, Struts, JDBC, GWT, Weblogic, Oracle, Toad, Eclipse, PVCS, putty