Zhiyu Lei
SWE @ DraftKings | CIS/MSE @ UPenn | A coder believing in the power of data and algorithms
- Role
- Software Engineer at DraftKings Inc.
- Location
- Boston, MA, US
- LinkedIn followers
- 500 followers
About Zhiyu Lei
I am Zhiyu (Oliver) Lei, a software engineer at DraftKings. I completed my bachelor\'s…
Experience
Software Engineer
Feb 2024 — Present · Boston, MA, US
Programmed request handlers in.NET framework for over five major microservices managing free currencies and transaction histories of above 200K active users with 25M total debits and credits weekly.• Optimized MySQL database procedures and indexing to avoid temporary tables, simplify query logics, and reduce deadlock risks, lowering latencies by around 30%.• Led two tech plans and broke complex downstream stories and requirements into smaller actionable tasks.• Reviewed code and maintained documents with seven teammates to keep good productivity and software reliability.• Cooperated across teams to ensure good functionalities of financial APIs with other vertical services.
Education
Shanghai Foreign Language School Affiliated to SISU
High School Diploma
University of Rochester
Bachelor of Science - BS, Data Science and Applied Mathematics
University of Pennsylvania
Master of Science in Engineering - MSE, Computer and Information Science
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