Edwin Zhang
Senior Software Engineer at AngelList
Canada
Summary
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Rockstar🎓
Top SchoolEdwin Zhang is a senior software engineer with nine years of experience building backend systems and machine learning infrastructure across startups and large tech companies. Currently at AngelList, he previously co-founded Slingshot AI and contributed as an ML engineer at Quora, with stints at Databricks, LinkedIn, and Shopify demonstrating breadth across production data systems. An active open-source maintainer on UWFlow and contributor to the well-known Anserini IR toolkit, he has hands-on experience optimizing indexing and query workflows for reproducible information retrieval research. Based in Canada and trained at the University of Waterloo, Edwin combines product-minded engineering with research-oriented problem solving, often tackling platform-specific robustness issues that quietly improve developer and data workflows.
9 years of coding experience
6 years of employment as a software developer
International Baccalaureate Diploma, International Baccalaureate Diploma at Western Canada High SchoolBachelor's degree, Bachelor's degree at University of Waterloo
Stackoverflow
1reputation
0reached
0answers
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Github Skills (11)
lucene10
javas10
information-retrieval10
indexer10
indexing10
java10
indexed10
jsonb9
json9
jsonp9
python8
Programming languages (9)
Github contributions (5)
castorini/anserini
Jan 2020 - May 2020
Anserini is a Lucene toolkit for reproducible information retrieval research
Role in this project:
Back-end Developer
Back-end DeveloperContributions:4 reviews, 23 commits, 33 PRs in 4 months
Contributions summary:Edwin contributed to the core functionality of the Anserini information retrieval toolkit by modifying Java code related to data collection and indexing. They refactored code to convert array fields to strings and implement custom field generation for the CORE dataset. Additionally, the user addressed platform-specific issues, such as line endings for MSMARCO passage and closed searcher for SearchMsmarco class. Their work streamlined the indexing process, enabled efficient querying with field search, and supported various datasets.
reproducibleretrievalluceneinformation-retrievaljava
edwinzhng/personal-site
Aug 2017 - Feb 2021
Source code for personal website
Contributions:3 PRs, 91 pushes, 7 branches in 3 years 6 months
reactnextjs
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