Loren Van Spronsen
Staff Software Engineer at Google
Seattle, Washington, United States
Summary
👤
Senior🎓
Top SchoolLoren Van Spronsen is a Staff Software Engineer in Seattle with 13 years of experience building reliable systems at scale, currently leading engineering efforts at Google after progressive senior roles there since 2015. He brings deep expertise in Microsoft technologies—C#, Visual Studio and T-SQL—while also having broad web experience across PHP, Classic ASP, XHTML/CSS, XSLT and JavaScript. Known for pragmatic performance work, he contributed key optimizations and correctness fixes to the widely used google/protobuf.dart runtime, including benchmark-driven hash code improvements. Loren combines hands-on backend and performance engineering with a history of shipping customer-facing tools and BI systems, and he pairs that product focus with a background in information security from University of the Fraser Valley and a CS degree from Simon Fraser.
13 years of coding experience
10 years of employment as a software developer
Computer and Information Systems Security/Information Assurance, Computer and Information Systems Security/Information Assurance at University of the Fraser ValleyBachelor of Science (B.S.), Computer Science, Bachelor of Science (B.S.), Computer Science at Simon Fraser University
English
Stackoverflow
11reputation
80reached
0answers
1question
Github Skills (12)
benchmarking10
benchmark10
dart10
performance-optimization10
protobuffer10
protobuf10
data-structure9
struct9
structures9
data-structures9
testing8
mercurial6
Programming languages (8)
Github contributions (5)
google/protobuf.dart
Mar 2021 - May 2022
Runtime library for Dart protobufs
Role in this project:
Back-end Developer & Performance Engineer
Back-end Developer & Performance EngineerContributions:3 reviews, 5 commits, 11 PRs in 1 year 2 months
Contributions summary:Loren contributed to the `protobuf.dart` library by addressing performance bottlenecks and fixing bugs. They implemented benchmarks for hash code computation and optimized the `_hashCode` method. Further improvements included correcting hash code generation for repeated enums and ensuring the library's consistent behavior with empty lists in frozen messages.
dartprotobuf
LorenVS/Eto.OxyPlot
Sep 2014 - Mar 2016
Contributions:3 commits, 1 PR, 2 pushes in 1 year 5 months
etooxyplotui-library
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