Nikitha S

About Nikitha S

Full Stack Java Developer with 8+ years of experience building enterprise, client-server,…

Experience

1. Full Stack Developer

   Costco Travel

   Apr 2025 — Present · Seattle, WA, US

   Built interactive UI components for flight, hotel, and rental car booking flows using ReactJS, jQuery, HTML, CSS, JavaScript improving customer experience with dynamic search and filter options.•Enhanced agent booking portal by integrating jQuery-based event handling for stateroom selection and travel package modifications, ensuring seamless user interactions.•Practiced Agile methodologies (Scrum) by collaborating with offshore teams, actively participating in sprint planning, retrospectives, and story grooming for travel product enhancements.•Designed and exchanged JSON and XML payloads for integrating vendor APIs (airlines, hotels, rental cars) into Costco’s microservices ecosystem.•Applied Java 8 features (Streams, Collections, Multithreading) to handle concurrent requests in package search and booking workflows, improving response times during high-traffic sales.•Developed microservices for flight availability and package search, scalable, and reusable travel services across consumer and agent applications.•Exposed RESTful APIs to retrieve flight schedules, hotel availability, and rental car options, standardizing integrations with external vendors.•Utilized API Gateway for routing consumer and agent travel service calls, enabling secure communication and throttling between front-end and backend APIs.•Implemented OAuth2-based security for authentication and authorization of member logins and agent workflows.•Designed queries in Oracle and MySQL databases to optimize reporting for customer bookings, vendor contracts, and travel inventory.•Automated CI/CD pipelines using Jenkins, streamlining deployments of consumer and agent applications across staging and production environments.•Used Git for version control and Gradle for consistent builds across local, QA, and production setups.•Leveraged AWS services – S3 for itinerary storage, Lambda for on-demand data enrichment, and DynamoDB for caching traveler preferences to improve application performance.