Kumar Kumar Email & Phone Number

Bellevue, Washington, United States

Responsibilities• Implemented Agile, Scrum methodologies actively involved in technical meetings, requirements gathering, analysis, planning, effort estimations, development, and testing. • Worked with Bootstrap Twitter Framework and Angular 12 to Design single page application.• Experience in leveraging the enhanced capabilities of the Ivy renderer in Angular 12 for improved performance and better runtime efficiency.• Implementation of strict mode in Angular 12 projects to enforce stronger typing, leading to improved code quality and better maintainability.• Expertise in the implementation of Core concepts of Java, J2EE Technologies: JSP, Servlets, Spring, Hibernate, Java Beans, JDBC, XML, Web Services• Used PostgreSQL for querying PL/SQL statements to store & retrieve data from database using JDBC.• Used GIT-Hub for project version management. • Experienced in using Agile Project Management tools like Azure Boards for agile planning, tracking and management. • Setup Alerting and monitoring using Stack driver in GCP.• Reviewed High-level Design (HLD), Functional requirements and discussed the new functionality in team meetings. • worked extensively on Java8, Microservices, Spring Boot, Pivotal Cloud Foundry (PCP) cloud structure.• Built JavaScript based test framework using cucumber Js, web driver io, node.js, angular.js.• Responsible for maintaining and expanding our AWS infrastructure using AWS EC2, managing documents in S3, providing IAM access to S3 buckets.• Good knowledge of using Splunk to identify the failures and errors in the applications.

San Antonio, Texas, United States

Responsibilities • Skillful in application development using JAVA, J2EE, SWING, EJB 3.0, Hibernate, JDBC, Struts, JSP, JavaScript, jQuery, AJAX, Servlets, HTML, XML, RMI, SOAP, Web Services, WSDL, Web Logic, Web Sphere, JBoss, Tomcat Application Server, Node.js • Analysis, design, and development of Application based on J2EE 1.7 using Spring and Hibernate &Designed and developed the REST based Microservices using the b with JPA.• Worked on Error handling for the flows and routed the failures to Cloud hub connector and created alerts in the cloud hub to send the error messages to the Operations team.• Managed Patches, Upgrades and Licensed Products for System software on all flavors of UNIX and Linux Servers. • Responsible for the overall layout design that meet cross-device compatibility using Bootstrap, color scheme of the web site using HTML5, and CSS3 and Responsible for creating detailed wire frames and process flows.• Creating Docker clusters using Docker swarm and managing to run the multiple tomcat application clusters using Docker Compose. • Responsible to setup Jenkins as a service inside the Docker Swarm cluster to reduce the failure over downtime to minutes and to automate the Docker containers deployment without using configuration management tool. • Proficiently used RxJS in Angular 10 projects for managing asynchronous operations, handling events, and creating reactive and responsive user interfaces.• Utilized Angular CLI for project scaffolding, code generation, and maintaining best practices in project structure for efficient Angular 10 development.• Worked in various DevOps tools like Jenkins, Puppet, SVN, GIT, and Ansible Well knowledge in CI (Continuous Integration) and CD (Continuous Deployment) methodologies with Jenkins.• Integrated Java applications with Azure Database for PostgreSQL or MySQL.

Minnesota, United States

Responsibilities• Involved in complete SDLC life cycle - Designing, Coding, Testing, Debugging and Production Support.• Worked closely with Business Analysts in understanding the technical requirements of each project and prepared the use cases for different functionalities and designs.• Involved in test-cases using JUnit, debugging implementation and deployment activities.• Involved in using React components, Forms, keys, Events, Router, Animations and Flux concept. • Worked in both UNIX and Windows based development environments. • Experience with AWS, EC2, S3, RDS, Cloud formation templates, CICD tools (Jenkins, GIT, Chef, Ansible playbooks) • Responsible for checking cross browser compatibility and hence worked on different browsers like safari, internet explorer, Firefox, and Google chrome.• Work in close collaboration with internal customers and teams to develop strategies that address product content and overall user experience design for Catalyst’s clients.• Implemented Micro Services SOA and OAuth Server with SAML IDP Authentication• Developed new features to meet the specifications as set out by lead developer.• Implemented Different Design patterns like singleton, factory and J2EE design patterns like Business delegate, session façade, Value object and DAO design patterns.• Used the JavaScript dynamic functionalities for different UI components.

Hyderabad, Telangana, India

Responsibilities:• Used EJB Stateless/Stateful session beans to implement business logic, session handling, and transaction and deployed Enterprise Java Beans both Session and Entity on WebSphere Application Server. • Implement modules into NodeJS to integrate with designs and requirements. • Taken care of java multi-threading in common java classes/library. • Extensively used Java Scripts to enforce client-side validations and used jQuery for Ajax processing. • Involved in development/ maintenance of various web services using IBM WebSphere to interact with other Applications. • Involved in unit testing, troubleshooting, and debugging. Modifying existing programs with enhancements. • Worked on Linux environment for deploying the application, running scripts for jobs. • Involved in fixing bugs the bugs or defects in the application. • Worked as part of a core team to monitor and enhance the performance of the application. • Used Value Object to allow smooth String comparison. Used Core Java API’s and data structures.• Created REST microservices increasing speed and reliability of existing infrastructure. Continue to maintain several microservices and update older java/Struts 1.1 systems.• Develop and support front-end design / integration and deployment with an eye towards simplicity, reliability, manageability, scalability, extensibility, performance, and re-use.• Adhere to software coding, best practices, and style guides to ensure consistency.• Participate in code reviews, conduct unit tests, deployments, and ensure version control.

Hyderabad, Telangana, India

Responsibilities:• Implemented Struts Framework in the presentation tier for all the essential control flow, business level validations and for communicating with the business layer.• Developed Struts Framework Action Servlets classes for Controller and developed Form Beans for transferring data between Action class and the View Layer.• Used JDBC to do CRUD operations. Wrote SQL queries, stored procedures, Triggers.• Extensively used JDBC to access the database objects. • Prepared UNIT test cases, taken care of JUnit Testing.• Developed the front-end UI using JSP, HTML, JavaScript, and CSS.• Implemented Struts Validators framework to validate the data.• Developed Ant(build.xml) targets for build and deployments on WebSphere Application Server 5.0.• Developed Stored Procedures in the Oracle 9i database. • Responsible for design and implementation of various modules of the application using Struts-Spring-Hibernate architecture.• Developed software applications using C++ and other object-oriented languages.• Involved in writing unit test plans and developing test cases using JUnit.