Lingwei Gu
Member Of Technical Staff at Enam Co.
Old Toronto, Ontario, Canada
Summary
👤
Senior🎓
Top SchoolLingwei Gu is a software engineer with eight years of experience building high-throughput, production-grade systems and a 2024 Computer Science graduate from the University of Waterloo. He has driven end-to-end design and delivery of billing and ads infrastructure at DoorDash, including a 0-to-1 ad billing microservice that handled promo budgets at 200k QPS and a cross-team merchant credit system spanning 10+ services. Currently a Member of Technical Staff at Enam and an NLP/IR researcher at Waterloo, he blends applied research with hands-on backend engineering. Comfortable in startup and large-team settings, Lingwei has a track record of tackling complex distributed workflows and synchronizing billing/order consistency across services. Notably, his career shows a pattern of shipping foundational monetization components that other teams depend on, highlighting both technical depth and cross-team leadership.
8 years of coding experience
4 years of employment as a software developer
Bachelor's Degree, Computer Science, Bachelor's Degree, Computer Science at University of Waterloo
French, Chinese, English
Github Skills (32)
sparse10
record-linkage10
information-retrieval10
similarity10
representations10
retrieval9
lucene9
cosine-similarity9
percentage9
python8
java8
nlp7
expressjs7
ranking6
question-answering6
Programming languages (5)
Github contributions (5)
lingwei-gu/UWork
Mar 2020 - Jul 2021
A full stack web application that sorts job postings on WaterlooWorks by the percentage of students from different work terms that companies hire. -- Tech Stacks: JavaScript, Node.js, Express, React, MongoDB, Python, Selenium, Beautiful Soup
Contributions:1 PR, 127 pushes, 1 branch in 1 year 4 months
hirepythonexpressweb-applicationtech-stacks
lingwei-gu/CanvasDrawing
Feb 2021 - Feb 2021
Contributions:10 commits, 10 pushes, 1 branch in 4 days
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