Tongxin Xu
@tongxinxu
Senior software engineer specializing in TypeScript and React with systems focus.
United StatesWhat I'm looking for
I am a Senior Software Engineer with about 12 years of experience building scalable front-end systems using TypeScript and React. I focus on implementing clean, maintainable code and leveraging advanced debugging techniques to resolve complex technical challenges.
At Waymo and XPENG I architected solutions that improved reliability and performance, reduced downtime by 30%, increased team throughput by 25%, and decreased critical post-deployment bugs by 20%. I iterate through testing, monitoring, and performance tuning to deliver dependable user experiences.
I collaborate closely with product managers and cross-functional teams to translate technical specifications into functional features, mentor junior engineers, and promote best practices in tooling and debugging. I engage deeply with both what is being built and why, fostering transparency and team alignment.
I value continuous improvement, adaptability in ambiguous requirements, and practical problem resolution. I aim to contribute technical leadership and hands-on implementation to teams solving complex business challenges.
Experience
Work history, roles, and key accomplishments
Implemented scalable TypeScript and React frontend solutions, diagnosed infrastructure issues with advanced debugging to reduce downtime by 30% and increased team throughput by 25% through process improvements.
Senior Software Engineer
XPENG
Aug 2019 - Jul 2022 (2 years 11 months)
Architected scalable front-end systems using TypeScript and React to improve user engagement and implemented monitoring and debugging practices that reduced critical post-deployment bugs by 20%.
Data Engineer Intern
XPENG
Dec 2018 - Aug 2019 (8 months)
Supported development of data-driven applications and scalable data solutions, improving data processing efficiency by 15% and enhancing pipeline reliability through debugging and documentation.
Research Assistant
University of California, Davis
Jan 2016 - Aug 2018 (2 years 7 months)
Conducted data analysis and supported transportation technology research, contributing to publications and presentations while developing reproducible analysis and tooling.
Service Development Intern
Long Beach Transit
May 2014 - Mar 2015 (10 months)
Assisted transit service development by analyzing ridership data and conducting surveys to improve routes and operational efficiency, contributing to service proposals and community outreach.
Education
Degrees, certifications, and relevant coursework
University of California, Davis
Doctor of Philosophy, Transportation Technology and Policy
2015 - 2019
Activities and societies: Research assistantship; presented research findings at conferences; contributed to publications.
Completed a Doctor of Philosophy in Transportation Technology and Policy focused on transportation research and policy analysis.
University of California, Los Angeles
Master of Public Policy, Transportation Policy
2013 - 2015
Activities and societies: Collaborated on projects translating technical specifications into policy recommendations; participated in cross-functional team meetings.
Completed a Master of Public Policy in Transportation Policy with coursework and projects addressing transportation systems and policy design.
Tech stack
Software and tools used professionally
Availability
Location
United StatesAuthorized to work in
Job categories
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