SHARATH CHANDRA CHITMALLA

Team: Transportation

The purpose of the GTS Transportation team is to provide high quality tools and services for our business partners which enable them to accurately and efficiently deliver product, providing a superior customer experience.

Responsibilities:

• Implemented agile methodology throughout the project development lifecycles.
• Analysis, design and development of Application based on J2EE using Spring and Hibernate.
• Developed and designed the front end using React JS, Extensively used React JS components, Forms, React-Bootstrap, Events, Keys, Router.
• Designed and optimized SQL Queries in BigQuery for analyzing large datasets.
• Developed scalable and maintainable Micro-Services using Spring Boot and integrated with RESTful APIs for seamless communication.
• Implemented advanced configuration management using Spring Profiles for multi-environment deployments.
• Developed and deployed Java-based Micro-Services using Google Kubernetes Engine.
• Involved in development of presentation layer using JSP and Servlets with Development tool Eclipse IDE.
• Setting up an environment, configuring an application and deployment in IBM Web Sphere8 Application Server.
• Used npm module to install the required modules within the application.
• Used spring framework for Dependency Injection (IOC), Model View Controller (MVC) and integrated with Hibernate framework.
• Integrated Spring DAO for data access using with Hibernate to implemented CRUD operations against Data base.
• Implemented transaction management using Spring AOP.
• Designed and optimized database schemas using Spring Data JPA and Hibernate for efficient data access and persistence.
• Secured sensitive application data, such as passwords and API keys, using Jasypt for encryption and decryption.
• Configured encrypted properties in application configurations to ensure secure deployment practices.
• Integrated with Spring Security for authentication and role-based access control.
• Designed and Developed RESTful web-service based on JAX-RS and Spring framework.
• Developed web services using HTTP, REST and XML technologies.
• Used Log4J to print the logging, debugging, warning, info on the server console.
• Designed, developed and implemented document transformation applications using XML tool.
• Used DOM parsing methodology for serializing and parsing the XML request and response.
• Monitored application health and performance metrics using Spring Actuator endpoints.
• Enhanced application performance by implementing Ehcache for caching frequently accessed data.
• Developed comprehensive unit tests using JUnit and Mockito to ensure the correctness of application logic.
• Conducted end-to-end integration tests using Spring Boot Test framework to validate the application flow across multiple layers.
• Implemented test suites in CI/CD pipelines using tools like Jenkins, ensuring early detection of regressions.
• Worked with QA teams to set up and maintain test data for functional and performance testing environments.
• Used GIT as version control system.

Team: Cost

1. Cost Maintenance to enable creation and maintenance of Cost Factors, Cost Profiles.

2. Cost Calculation to enable creation, maintenance and scheduling of Cost Models for use across multiple

applications.

3. Commodity Cost uses market indicators and contract formulas to calculate and load costs for certain items.

4. Vendor Price List is Excel based application that enables vendors to electronically communicate the cost

changes to GFS.

Responsibilities:

• Developed and designed the front end using React JS, HTML5, CSS3, JavaScript with Ajax and tag libraries.
• Developed reusable custom directives using the AngularJS.
• Developed user management screens using AngularJS, business components using Spring framework and DAO classes using JPA framework for persistence management and involved in integrating the frameworks for the project.
• Developed Action Classes, Service Classes for Resident Insurance premium payment module.
• Involved in Coding JavaScript code for UI validation and worked on Struts validation frameworks.
• Leveraged two-way data binding through scope in applications built on AngularJS.
• Experience in Bootstrap and CSS media queries for responsive web design.
• Implemented Spring MVC for designing and implementing the UI Layer for the application.
• Used Annotations on all the layers of application development in Spring to wire the components.
• Involved in implementing application using Spring MVC framework.
• Designed and implemented application using JSP, Spring Boot, Spring MVC, JNDI, Spring IOC, Spring Oracle.
• Developed web pages using JSP Tag Libraries, HTML, and JQuery.
• Worked on development of PF (Policy Fulfillment) application which involves the coding of Java, database as IBM DB2.
• Developed server-side services using Java (multithreading, collections).
• Wrote client-side validations using JavaScript.
• Implemented SOAP for data transfer to Web Service.
• Tested SOAP web service using SOAPUI.

Environment: Java, J2EE, HTML5, CSS3, Bootstrap, JQuery, Spring, Spring Boot, Mockito, EhCache, Hibernate,

JSP, JQUERY, JSON, Maven, JUnit, Angular JS, GIT, Weblogic, Jenkins, Log4J, RESTful Web service, SQL

Developer, JIRA, Jenkins.

Responsibilities:

• Collaborated with professors to develop course materials, including lecture slides, assignments, and exams, for DBMS-related courses.
• Conducted lectures, tutorials, and workshops on fundamental and advanced topics in DBMS, clarifying complex concepts and reinforcing learning objectives.
• Offered one-on-one assistance to students during office hours, addressing questions, providing guidance on assignments, and offering explanations tailored to individual learning styles.
• Assisted in grading assignments, projects, and exams, ensuring consistency and fairness in assessment.

Company Overview: Cognizant is a multi-national corporation that provides IT services, including digital, technology, consulting and operating services

Responsibilities:

• Maintain site-wide design standards and contribute to the evolution of standards.
• Developed server-side services using Java (multithreading, collections).
• Designed business applications using web technologies like HTML, DHTML, XHTML, XSL, XSLT and CSS based on the W3C standards.
• Designed professional web applications in a standardized format, which targets the W3C standards.
• Worked on CSS Background, CSS positioning, CSS text, CSS border, CSS margin, CSS padding, CSS table, Pseudo classes, Pseudo elements and CSS behaviors in CSS.
• Using advanced level of HTML, XML, AJAX, JavaScript, CSS and pure CSS layouts.
• Cognizant is a multi-national corporation that provides IT services, including digital, technology, consulting and operating services.