Chengye Yin
Staff Software Engineer at ZipRecruiter
Los Angeles, California, United States
Summary
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Rockstar🎓
Top SchoolChengye Yin is a Staff Software Engineer in Los Angeles with 12 years of experience building backend systems and improving performance across startups and research labs. He has led backend work at ZipRecruiter and Foursquare and previously developed large-scale data integration and deduplication pipelines at ISI using SPARQL, Hive, and MapReduce. Chengye contributes to notable open-source projects including Web-Karma (information integration) and Acala (a Substrate-based DeFi hub), where he focused on backend stability, stable-asset logic, and performance benchmarking. Comfortable bridging research and production, he brings deep expertise in data modeling, distributed joins, and blockchain runtime changes, and often surfaces optimizations that reduce operational weight while enabling new integrations.
12 years of coding experience
8 years of employment as a software developer
Bachelor's Degree, Computer Science, Bachelor's Degree, Computer Science at University of Southern California
Stackoverflow
1reputation
0reached
0answers
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Github Skills (19)
substrate10
python10
polkadot-js10
f10
json-ld10
r2rml10
rust10
polkadot10
back-end-development9
benchmark9
json9
java9
benchmarking9
javas9
blockchain8
Programming languages (8)
Github contributions (5)
usc-isi-i2/Web-Karma
Feb 2014 - Dec 2015
Information Integration Tool
Role in this project:
Backend Developer
Backend DeveloperContributions:561 commits, 6 PRs, 47 pushes in 1 year 9 months
Contributions summary:Chengye's commits focused on improving and maintaining the information integration tool "web-karma". The commits show enhancements to the backend functionality including adding support to delete and refresh models in the triple store and adding features like @context, for JSON-LD. Furthermore, the changes included significant updates to both UI and backend components of the program, specifically to the SQL import functionality, indicating an involvement in maintaining and extending the core functionalities of the system.
json-ldjsonldtriplestorelinked-datar2rml
AcalaNetwork/Acala
Aug 2021 - Nov 2022
Acala - cross-chain DeFi hub and stablecoin based on Substrate for Polkadot and Kusama.
Role in this project:Back-end Developer
Back-end DeveloperContributions:11 reviews, 14 commits, 59 PRs in 1 year 3 months
Contributions summary:Chengye primarily focused on implementing and modifying stable asset functionalities within the Acala DeFi project, a Substrate-based blockchain. Their work involved adding currency IDs, modifying pool parameters, and adding precompile methods for stable asset interactions. These contributions included updates to benchmarking tests and weights, highlighting their role in performance optimization within the stable asset module. The user also worked on updating the currency types and related configurations.
kusamasubstraterustblockchainacala
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