William Leonard
Senior Software Engineer II at Confluent
Cambridge, Massachusetts, United States
Summary
🤩
Rockstar🎓
Top SchoolWilliam Leonard is a Senior Software Engineer II with a decade of experience building production-grade systems across startups and enterprise teams, now based in Cambridge, MA. He has progressed from research and engineering roles at MIT Lincoln Laboratory and GE Global Research into principal engineering positions at Salsify and JRNI, and recently joined Confluent to work on data infrastructure. William specializes in scaling backend services and bridging research-grade problem solving with product-focused engineering execution. His career shows a strong trajectory of technical leadership, mentoring, and ownership across the full lifecycle of large web and data-driven applications. A University of Illinois Urbana-Champaign computer science graduate, he brings an uncommon blend of lab-style rigor and pragmatic delivery honed over diverse domains including adtech, e-commerce platforms, and real-time data systems.
10 years of coding experience
11 years of employment as a software developer
BS Computer Science, BS Computer Science at University of Illinois Urbana-Champaign
Github Skills (55)
delayed-job10
avro10
priority-queue10
eager-loading10
rails10
rails-console10
ruby10
html10
shopify9
excelreader9
asynchronous9
mvc9
confluent-schema-registry9
roo9
cloudinary-sdk9
Programming languages (2)
Github contributions (5)
salsify/activerecord-forbid_implicit_connection_checkout
Jan 2018 - Feb 2021
Optionally prevent threads from checking out out an ActiveRecord connection
Contributions:2 reviews, 37 commits, 14 PRs in 3 years 1 month
activerecordgem
salsify/roo
May 2017 - Nov 2021
Roo provides an interface to Open Office, Excel, and Google Spreadsheets.
Contributions:4 reviews, 30 commits, 5 PRs in 4 years 6 months
excel
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