Dongruixuan Li
Software Engineer Intern at Shopify
Canada
Summary
👤
Senior🎓
Top SchoolDongruixuan Li is a software engineer with a decade of hands-on experience in cloud infrastructure, performance optimization, and full-stack development, currently interning at Shopify. He has driven large latency reductions and resource savings across high-QPS systems—migrating OLAP workloads to ClickHouse, cutting query p95 by 92%, and shaving dashboard load times from 19s to 3s via a GraphQL caching layer. Comfortable across Go, TypeScript/React, distributed queues, and GPU-backed ML infra, he’s rebuilt critical pipelines (including a 100x C++ speedup for MinHash) and deployed Kubernetes and Ceph clusters to accelerate LLM experimentation. His work spans real-time moderation, trading UX, and security-oriented LLM research, reflecting an uncommon mix of low-level performance tuning and product-focused UI improvements. Based in Canada and trained at the University of Waterloo, he blends research-grade systems thinking with pragmatic engineering that measurably improves reliability and developer velocity.
9 years of coding experience
1 year of employment as a software developer
Bachelor of Engineering, Software Engineering, Bachelor of Engineering, Software Engineering at University of Waterloo
Github Skills (82)
minecraft10
firmware10
proxy10
foundation-models10
arm10
command-line-tool10
fabric10
nms10
jetbrains10
keyboard10
translator10
cli10
atmel10
rp204010
spigot10
Programming languages (12)
Github contributions (5)
starcatmeow/html-to-markdown
Jun 2022 - Jan 2025
Contributions:3 releases, 7 pushes, 4 tags in 2 years 8 months
starcatmeow/vjudge-helper
Apr 2021 - Aug 2022
Contributions:15 releases, 9 commits, 18 pushes in 1 year 4 months
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