• Involved in Requirements gathering, analysis, design, development, testing and Maintenance phases of Application.• Involved in Agile – Scrum methodologies using Jira to do requirements gathering, analysis and sprint planning.• Implemented the application using spring modules includes IOC, AOP, Batch and MVC.• Used JavaScript and Angular JS2 to display the pages using JSON in the User Interface Application (Web browser).• Used Spring Framework for Dependency injection & integrated Hibernate for interacting with the data base.• Used Spring boot for developing the Restful Microservices in JSON format and deployed in the AWS Cloud.• Used Spring beans to encapsulate business logic and implemented application MVC architecture using spring MVC framework.• Developed installer scripts using Ant, Python for various products to be hosted on Application Servers.• Automated the cloud deployments using chef, python and AWS Cloud Formation Templates.• Wrote database triggers, procedures, functions in PL/SQL and incorporated business rules and constraints OF RDBMS.• Achieved high skill level with most Unix commands and utilities. Familiar with most basic system administration tools and tasks.• Fundamental understanding of the functions of the Unix operating system.• Increased database performance by utilizing MySQL config changes, multiple instances and by upgrading hardware.• Built application logic using Python and worked on event-driven programming in Python.• Responsible for retrieving weekly financial report from SQL Server Database.• Individual contributor to RDBMS Oracle database upgrade from 8i version to Oracle 11g version• Developed SQL queries to retrieve and manipulate oracle database. • Migrating the application to Cloud environment using the Amazon web services- EC2, S3 and various services of AWS.•Have replaced the Java Messaging Service(JMS) calls to AWS SQS.•Consumed SOAP service of DGW for the OFX application and tested using SOAPUI using XML.

• Involved in development, design and implementation of front-end part widget based application.• Involved in client-side tooling and testing & development with Bootstrap, HTML5 and JavaScript.• Involved in configuring the GIT repository and maintain the version control using GIT.• Used Ajax, JSON with JQuery, Angular JS2 for request data and response processing.• Developed many scriptlet using JSTL, Taglibs for developing JSP pages.• Developed Application in Spring Framework using MVC architecture.• Developed Spring Beans, Controller components and configured spring-config.xml files.• Written different Action Classes using spring as per module. • Developed PL/SQL Packages, stored procedures and functions to load month end data for external and MIS reporting.• Troubleshooting performance issues using Postgres and UNIX level commands to gather data.• Used spring JDBC template to connect to the CST database.• Used MYSQL bin log utility to identify and rectify the corruption in relay logs.• Used Java Messaging Service (JMS) for reliable and asynchronous exchange of important information such as payment status report.• Developed Hibernate Mapping files and DAO components for interacting with DB components• Customized RESTful Web Service using Spring RESTful API over HTTP/HTTPS, sending JSON format data packets between front-end and middle-tier controller. • Created and Implemented Restful Web Services to provide the interface to the various clients running on both Java and Non-Java applications.• Implementation using JBOSS ESB, Java, Spring, JAXB, Hibernate, Oracle Database Maven.• Executing Selenium Test Cases and Reporting defects.• Worked on Agile, SCRUM development methodology and built the application with Test Driven Development(TDD).

• Involved in design and development of the User Interface• Designed the web pages using HTML, java and JavaScript.• Developed web pages using and JSP, JSTL, Taglibs using JSON.• Created Spring Configuration files using XML & used annotations to auto-wire the Java Components using Spring Dependency Injection.• Business layer is built on Spring 3.0 using Dependency injection and IOC principles and hibernate.• Developed Action classes for different modules using Spring framework.• Worked on TCP/IP suite of protocols especially in MPLS networks.• Have used JDBC Driver to connect to the database.• Created various types of procedures using PL/SQL and SQL queries for data validation and data cleansing.• Worked on implementing Java messaging service (JMS) queues and topics.• Hands on experience with data persistency using Hibernate and Spring Framework.• Implementing MySQL database replication.• Involved in writing Junit test cases.• Used ANT as a build tool.• Developed logging module-using Log4j to create log files to debug application flow.• Extensively used Core Java for writing business logic and Helper Classes.