Sheshagiri Nandyal

About Sheshagiri Nandyal

Worked on Workday HCM and Payroll testing as part of a Kainos-led implementation and…

Experience

1. Full-stack Developer

   USAA

   Aug 2024 — Present · US

   Involved in requirements gathering, design, development and testing phase of SDLC.• Involved in Agile Methodology, utilizing JIRA for creating and managing requirements through the User Stories.• Developed dynamic, responsive web applications using Angular 19, leveraging its advanced features such asstandalone components and typed forms for enhanced performance, Optional Injectors and maintainability.• Implemented state management solutions with NgRx in Angular 18 applications, ensuring efficient handling ofcomplex application states and improved scalability.• Migrated legacy Angular modules to the latest Angular 17+ architecture, using control flow syntax (@if,@for)and fine-grained change detection for optimized rendering.• Spearheaded the migration process to adopt Java 17, consolidating its latest features and enhancements tooptimize application performance, enhance security, and ensure compliance with modern Java standards.• Implemented Java 21 features such as sealed classes, pattern matching for switch statements, and local-variabletype inference, enhancing code readability, maintainability, and overall development and efficiency.• Applied enhancements from Java 17, including the new and improved APIs and library updates, to optimizeapplication performance and functionality.• Developed and maintained unit and end-to-end test suites using Cypress for Angular applications, ensuringconsistent user experience and early defect detection.• Integrated Cypress with CI/CD pipelines (Jenkins/GitLab) for automated browser testing during each deploymentcycle.• Utilized Java 17 features like sealed classes, instance of pattern matching, new HttpClient, new Optional.orElseThrow() methods in developing the API’s.• Designed and developed backend components for multimedia messaging workflows, handlingmessage parsing, formatting, and routing across distributed systems.• Contributed to the redesign of customer-facing messaging modules