Li Wen
Principal Software Engineer at Cardlytics
San Jose, California, United States
Summary
👤
Senior🎓
Top SchoolLi Wen is a Principal Software Engineer with 12 years of experience building high-performance, cost-efficient backend services at major tech companies including Yahoo and Cardlytics. He has a strong track record of identifying performance bottlenecks and redesigning large-scale pipelines—cutting SLAs from over 24 hours to under 8 while reducing hardware use by 60%+. As a technical lead he blends hands-on engineering with cross-team coordination, shipping resilient systems like Yahoo’s image processing service and GDPR-compliant push notification clients. He excels at production incident support and integrating targeting/ads systems for privacy-driven requirements such as iOS 14.5+ adaptations. Based in San Jose and trained in computer science, he brings pragmatic architecture, proactive problem-finding, and measurable cost and latency improvements to complex distributed systems.
12 years of coding experience
14 years of employment as a software developer
Master's degree Computer Science and Technology, Master's degree Computer Science and Technology at Northeastern University (CN)
English, Chinese
Github Skills (70)
pluggable10
launcher10
salesforce10
crud10
arcgis-js-api10
gis10
javascript9
app-builder9
crm9
maps9
drag-and-drop9
embed9
airtable9
photoshop9
nodejs9
Programming languages (5)
Github contributions (5)
hellocreep/refactoring
Mar 2017 - Sep 2017
Contributions:33 commits, 1 PR, 14 pushes in 6 months
hellocreep/presentation-workshop
Mar 2019 - Apr 2023
Contributions:4 pushes, 1 branch in 4 years 1 month
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