Keyu Liu
Software Engineer at DoorDash
Sunnyvale, California, United States
Summary
👤
Senior🎓
Top SchoolKeyu Liu is a software engineer with 11 years of experience building high-throughput, resilient cloud services and distributed systems, currently working on logistics at DoorDash in Sunnyvale. He has driven performance and reliability improvements at AWS—cutting API latency up to 79%, scaling background jobs by 1500%, and restoring thousands of customer repositories with a disaster recovery platform used for major clients. Earlier internships at Alibaba Cloud and IBM show a knack for pragmatic system design that improved API throughput and reliability across large product surfaces. Comfortable across databases, message queues, and cloud-native patterns, he combines hands-on implementation with thoughtful data-model and API design. Beyond metrics, Keyu’s first open-source project sparked a lasting passion for software craft and community contribution that informs his engineering approach.
11 years of coding experience
4 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Beijing University of Posts and TelecommunicationsHigh School Diploma, General Studies, High School Diploma, General Studies at Nankai High SchoolMaster's degree, Information system, 3.7, Master's degree, Information system, 3.7 at Northeastern University
Github Skills (7)
uploader6
clover5
flutter3
leaf3
android2
cron1
hook1
Programming languages (2)
Github contributions (5)
WillZeroman/CodingInterviews
Aug 2021 - Oct 2021
Contributions:9 commits, 7 pushes, 1 branch in 1 month
WillZeroman/leetcodeProgramPlus
Sep 2020 - Jan 2023
Contributions:20 pushes in 2 years 5 months
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