Quan Gao
SDE @ Expedia Group
- Role
- Software Development Engineer at Expedia Group
- Location
- Seattle, WA, US
- LinkedIn followers
- 500 followers
About Quan Gao
Software Engineer with 3+ years of experience in full stack and backend development…
Experience
Software Development Engineer
Jan 2023 — Present · Seattle, WA, US
Global Tax PlatformGlobal Tax System team focuses on supporting jurisdictions in which the Tax Business team is interested, by calculating and recording enriched tax information to provide improved auditing, reporting, remitting and invoicing-• Built and maintained backend services in Kotlin to improve tax rule creation capabilities, ensuring accurate rule storage in MongoDB while integrating a GraphQL layer for seamless and efficient data interaction between the frontend and backend systems.• Spearheaded full-stack development efforts for a significant portion of the Compliance UI, leading to the successful delivery of the Create Jurisdiction feature to production.• Enabled business users to self-serve in response to tax changes, leveraging a comprehensive understanding of both front-end and back-end development.• Demonstrated strong ownership of deliverables throughout the development lifecycle, ensuring end-to-end implementation and functionality.• Collaborated closely with business and product teams to prioritize user needs, driving iterative UI improvements with a customer-centric approach.• Contributed expertise in both front-end and back-end technologies to enhance user experience and operational efficiency in a dynamic regulatory environment.• Developed backend services in Java to support a new UI for tax business users, enabling them to review, approve, or reject incoming tax files. Created REST APIs to handle user decisions, process file data formats, and queue tasks into RabbitMQ ensuring integration with downstream services for final processing and storage in MySQL. Replaced manual workflows with a scalable review and approval system, enhancing productivity across teams.
Education
University of California, Santa Cruz
Bachelor of Science - BS, Computer Science: Games
Northeastern University
Master of Science - MS, Computer Science
Santa Monica College
Associate of Science - AS, Computer Science
2015 — 2017
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