Durga G Email & Phone Number

Texas, United States

Seattle, Washington, Us

● Worked on Agile Methodology and built the application using Test Driven Development approach.● Led the design and development efforts of the LedgerService, leveraging Spring Boot to facilitate the seamless creation of accounts in AWS QLDB.● Implemented a robust set of REST endpoints to enable secure and efficient interaction between the LedgerService and other microservices within the ecosystem.● Building cloud Microservices and implemented back-end using Spring Boot.● Took responsibility for the end-to-end handling of ledger creation, ensuring accurate management of debit and credit transactions for customers.● Employed RestTemplate to establish reliable and efficient communication with other internal microservices, ensuring smooth data exchange and integration.● Orchestrated the deployment of the LedgerService on AWS ECS (Elastic Container Service), leveraging its scalability and resilience capabilities to meet demanding production requirements.● Ensured adherence to best practices and security standards throughout the development lifecycle, safeguarding sensitive customer data and maintaining data integrity.● Conducted comprehensive testing of the LedgerService using PowerMock, JUnit, and Mockito to guarantee the reliability and correctness of the implemented functionality.● Implemented Swagger UI for generating clear and concise API documentation, enabling seamless integration and understanding for developers interacting with the LedgerService.● Demonstrated proficiency in AWS QLDB, utilizing its advanced features and scalability to ensure a highly performant and fault-tolerant ledger management system.● Employed Docker for containerization, facilitating the streamlined deployment and portability of the LedgerService across different environments and cloud platforms.● Used to test performance both on static and dynamic resources using JMeter.

Mountain View, California, Us

• Worked on Agile Methodology with bi-weekly sprints, and daily scrum meetings with backlogs and story points.• Implemented responsive UI rich web applications with HTML5, CSS3, Bootstrap4 and Angular frameworks and used reactive & template driven forms to associate HTML elements to model & provide dynamic user validations on client side.• Involved in different phases of Software Development Life Cycle (SDLC) such as analysis, specification, design, and implementation and testing • Performed client-side validation using JavaScript.• Configured Continuous integration and deployed the code by running the unit test cases and fixed the unit test cases and handling the process for automatic and manual testing.• Added hooks in the project and moved some class-based components to functional components• Interacted with backend Oracle and wrote Stored Procedures, Functions and Cursors for deleting and inserting using PL/SQL.• Deployed Micro-services as Restful Java Web Services on Amazon Elastic Beanstalk.• Migrating existing application into REST based Microservices to provide all the CRUD capabilities using Spring Boot. • Spring Boot which is radically faster in building cloud Microservices and develop Spring based application with very less configuration. • Involved in writing java API for Amazon Lambda to manage some of the AWS services. AWS S3 is used to store the data and to retrieve the stored date quickly and Elastic Search for searching the document.• Amazon EC2 instances was used to host the designed and developed frameworks to consume Web services.• Used NodeJS for server communication through Restful API and added user validations & permissions. • POSTMAN tool was used to perform the API Web services testing. • Used JIRA ticketing system to keep track of issues and tasks on individuals.• Log4j and commons-logging were used as frameworks for logging the application flow.• Worked on Continuous Delivery pipeline with Docker, Jenkins, and Code hub.

Mclean, Va, Us

• Followed Agile software methodology for project development. Participated in Scrum meetings as part of Iteration development process. • Used Hibernate Annotations concept to retrieve data from the database and integrate with Spring Boot to interact with back-end Server.• Implemented RESTful Web services to retrieve data from client side. • Developed spring RESTful web services to create, read, update, or delete information on a server using HTTP methods. Parsed the data in JSON format. • Developed Rest Controller for Mapping requests to generate Restful APIs.• Secured the REST services using Spring Security and OAUTH framework and created documented REST services using Swagger and Jersey. • Developed code as per Sonar Lint code standards and refactor code to avoid performance issues and used Fortify plugin to harden the API and increase API security. • Extensively used Core Java such as Multi-Threading, Exceptions, and Collections.• Build the application based on new features of Java 8 like annotations, collections, and Lambda Expression. • Developed custom libraries to streamline and remove redundant code. • Used JDBC to connect to the database to manage and query the data.• Developed stored procedures and triggers using PL/SQL to calculate and update the tables to implement business logic using Oracle database. • Interacted with backend Oracle and wrote Stored Procedures, Functions and Cursors for deleting and inserting using PL/SQL. • Worked on Oracle as the backend database and integrated with spring to retrieve Data Access Objects. • Performed CRUD operations using Spring data Oracle-DB repositories.• Architected design change and developed test coverage based on high level requirements. Used Mockito JUNIT for test coverage, leveraged Lombok API and builder patterns extensively.• Test RESTful design by using Postman.

Milwaukee, Wisconsin, Us

• Worked on Agile Methodology with bi-weekly sprints, and daily scrum meetings with backlogs and story points.• Implemented responsive UI rich web applications with HTML5, CSS3, SCSS, Bootstrap and Angular frameworks and used reactive & template driven forms to associate HTML elements to model & provide dynamic user validations on client side.• Experience working with testing tools like Jasmine, Selenium, Jest, Firebug, Protractor, Chrome/safari web inspectors and IE Developer Toolbar.• Developing Data Grid Items which can be dragged by IRD system users and Building Report Data Grid, tree grid by implementing Redux Form.• Designed and developed dynamic Multi-Browser compatible responsive web application using Angular 6, AngularJS, JavaScript, HTML5, CSS3, and Bootstrap.• Written Angular 6 application while using TypeScript for notification management and delivery.• Implemented Angular 6 Router to enable navigation from one view to next as agent performs application tasks.• Developed Application to assess JSON and XML from Restful web service from consumer side using Angular 6.• NodeJS EXPRESS Server is created by combining with Socket.io to build MVC framework to backend Oracle 11g Database.• Application is developed by using JSP, Servlets, Web services, JavaScript, and WebLogic.• Used Node Package Manage (NPM) for configuring the modules and libraries required for the application.• Used NodeJS for development and support for client and server-side applications.

Houston, Tx, Us

• Involved in the development using Agile development process to gather and analyze the requirements of the Application.• Usage of customized components were made and developed UI application using Angular 6.0.• Created services on UI for storing and retrieving data from UI to the backend and Implemented customer side validations using Angular 6.0. • Project was under migration converting Angular4 to Angular6. Implemented the complete set up with configuration file changes of angular components and updating router Modules.• platform modules were Implemented through Spring Java microservices and NodeJS services by employing Hapi.js• Used NodeJS for server communication through Restful API and added user validations & permissions. • Created the architecture for the RESTful API using Express and NodeJS.• NodeJS is used to run Grunt tasks and build properly the project and Implement modules into Node JS to integrate with designs and requirements. • Implemented the associated business modules integration using Hibernate data mapping and Spring framework.• Implemented Hibernate Template to great extent making use of HQL, Named Parameters, Named Queries and interfaces such as Expression, Query and Criteria.• Application is implemented using Spring Boot and handled the authorization, authentication features by using Spring Security.• Used Spring MVC module to write REST controllers, map URLs for the request and presented with different views for usage of different cases. • Spring MVC module is used to develop MVC Architecture. Integrated the application with Spring-MVC using Spring Boot, Spring Dependency Injection (DI), and Spring Annotations.• Migrating existing application into REST based Microservices to provide all the CRUD capabilities using Spring Boot. • Spring Boot which is radically faster in building cloud Microservices and develop Spring based application with very less configuration.

Cambridge, Ma, Us

• Worked as per Agile Methodology (Scrum) to meet customer expectation, timelines with quality deliverables• Involved in different phases of Software Development Life Cycle (SDLC) such as analysis, specification, design, and implementation and testing • HTML5, CSS3, React and Bootstrap were used to built and user interface webpages.• Developed a single page, responsive web application on front end by using AngularJS.• Communication between the view components and server was enabled through AngularJS Ajax module which is used to handle the RESTful calls.• NodeJS is used to run Angular on server with mock JSON data and completed the UI development independent of server. • POSTMAN tool was used to perform the API Web services testing. • Spring Dependency Injection, Annotations and Spring MVC components was used to implement the business layer and navigation part of the application.• Developed user management screens using Spring framework and DAO classes using Hibernate framework for persistence management and involved in integrating the frameworks for the project.• Large number of chunks were handled by batch jobs along with the implementation of Spring Batch Framework to execute the similar jobs simultaneously.• Developed multiple microservices using Spring Boot, Spring Core, AOP, Actuators, Spring Data JPA for performing business functionalities.• Utilized Spring Security for Method Level Authorization by using AOP (Aspect-Oriented Programming) and URL Level Authorization by using Servlet filters for web sockets.

London, England, Gb

• Used Agile (Scrum) development methodology during designs, implementation, testing, and maintenance• Involved in Daily Scrum meetings, Sprint planning and estimation of the tasks for the user stories, participated in retrospective and presenting Demo at end of the sprint. • User interface was developed for management module using HTML, CSS, and JavaScript.• Worked with Angular CLI and Typescript in Angular4 to create Controllers and components for the Web Pages.• Developed the project using MVC design pattern and developed front end using Spring MVC framework, business components using Spring.• Worked on Spring Web Flow using Spring MVC to build an application from scratch using Spring XML configurations, annotations. Wrote controllers to handle incoming requests and send output to the UI Configured• Worked with Microservice architecture using Spring Boot to modularized code and implemented Rest API’s using Spring Rest and integrated Swagger API for documentation

Chantilly, Virginia, Us

• Involved in various phases of Software Development Life Cycle (SDLC).• Worked on Agile Methodology and built the application using Test Driven Development approach• Developed application UI pages using JavaScript, Angular JS, jQuery, CSS3 and HTML5.• Developed an AngularJS workflow manager leveraging Angular-UI’s state router for configuration and management of multi-step user input flows• Involved in writing the exception and validation classes using Strut’s validation rules.• Performed client-side validation using JavaScript.• Involved in Unit Testing, Sanity Testing, and Integration testing of all the reports.• Implemented server-side components using Core Java, multi-threading, web services with Spring Framework.• Developed back-end functionality using Spring MVC and Spring JPA.• Designed and created MySQL database tables to normalize the existing tables. Created stored procedures to interact with database. • Thoroughly involved in testing phase and implemented test cases using JUnit.• Used JIRA ticketing system to keep track of issues and tasks on individuals.• Worked on Continuous Delivery pipeline with Docker, Jenkins, and Code hub.