William Huang
@williamhuang4
Senior full-stack software engineer delivering scalable web and mobile systems.
United StatesWhat I'm looking for
I am a senior full-stack engineer with 13 years building web and mobile products across travel, e-commerce, aerospace & transportation, and healthcare. I design and implement scalable backend and frontend systems, drive cloud-native infrastructure work, and deliver measurable performance and reliability improvements.
At recent roles I engineered services to support 10,000+ concurrent users, cut database query times by 60%, reduced page load from 13s to 3s, migrated platforms to Kubernetes, and built CI/CD pipelines that slashed deployment time by 70%. I work effectively in agile teams, prioritize security and accessibility, and focus on shipping high-quality, user-centered software.
Experience
Work history, roles, and key accomplishments
Senior Software Engineer
Amex GBT Egencia
Oct 2021 - Present (4 years 8 months)
Enhanced platform scalability to support 10,000+ concurrent users and stabilized real-time bookings; cut database query times by 60%, reduced deployment times by 70% via Kubernetes and CI/CD, and improved page load times from 13s to 3s.
Mid-Level Software Engineer
FlightAware
May 2016 - Oct 2021 (5 years 5 months)
Built responsive web and Android clients and optimized real-time flight tracking by integrating WebSocket and Mapbox, improving update latency and data freshness; implemented Redis caching and GraphQL to accelerate data retrieval.
Software Engineer
Oscar Health
Aug 2013 - Apr 2016 (2 years 8 months)
Developed a telemedicine platform that reduced patient intake time by 40% and designed a service-oriented backend to enable scalable inter-service communication; implemented JWT/RBAC security and automated CI/CD pipelines.
Education
Degrees, certifications, and relevant coursework
The University of Texas at Austin
Bachelor of Science, Computer Science
Completed a Bachelor of Science in Computer Science at The University of Texas at Austin, graduating in 2013.
Tech stack
Software and tools used professionally
Availability
Location
United StatesAuthorized to work in
Job categories
Skills
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