Jiulong Wang
CTO at Vibe Inc
Greater Seattle Area United States
Summary
👤
Senior🎓
Top SchoolJiulong Wang is a seasoned technology leader and CTO based in the Greater Seattle Area with 11 years of experience building large-scale, distributed systems and performance-sensitive software. He has led engineering and product execution at startups he co-founded as well as at enterprise teams at Microsoft and Twitter, owning end-to-end systems from near-real-time ad targeting pipelines to novel ad formats. Jiulong pairs hands-on debugging and performance tuning with architecture and infrastructure strategy, and has a track record of shipping reliable, scalable solutions that align with business goals. He is an active contributor to notable open-source projects such as Skia and SWIG, where his fixes addressed subtle bugs in rendering cache eviction and language binding code generation. Comfortable toggling between deep technical work and executive decision-making, he fosters cross-functional collaboration and continuous learning across teams. His background in large-scale graphics, ads systems, and tool-building reflects a pragmatic engineer who surfaces and fixes the tricky corner cases others miss.
12 years of coding experience
8 years of employment as a software developer
Exchange Student Computer Science, Exchange Student Computer Science at Simon Fraser UniversityBachelor & Master Computer Science, Bachelor & Master Computer Science at Zhejiang University
Github Skills (15)
testing10
debugging10
code-generation10
c-language10
parser10
cprogramming-language10
parsing10
parse10
graphic10
skia10
csharp9
opengl9
dotnet-core9
webassembly7
go7
Programming languages (19)
Github contributions (5)
google/skia
Oct 2020 - Oct 2022
Skia is a complete 2D graphic library for drawing Text, Geometries, and Images. See documentation for contribution instructions.
Role in this project:
Software Engineer
Software EngineerContributions:3 commits in 2 years
Contributions summary:Jiulong primarily contributed to the Skia graphics library by addressing a critical bug related to cache eviction in the GrCCDrawPathsOp component. They implemented fixes to prevent errors caused by cached atlas entries being evicted during a flush, ensuring correct rendering. They also contributed to test cases related to cache behavior. Furthermore, the user was involved in updating text rendering features, specifically fixing the index mapping in the `ParagraphImpl`.
skia
swig/swig
Sep 2016 - Oct 2016
SWIG is a software development tool that connects programs written in C and C++ with a variety of high-level programming languages.
Role in this project:Back-end Developer
Back-end DeveloperContributions:9 commits, 1 PR, 10 comments in 1 month
Contributions summary:Jiulong primarily focused on fixing a bug related to the generation of C# enum expressions when they contain character constants within compound expressions. This involved modifying the parser and header files to correctly handle character literals and their promotion in the generated code. Further contributions included adding test cases to verify the fix, and subsequently reverting those test cases, demonstrating iterative development and debugging. The user also made modifications related to the Go code generation.
cppprogramming-languageswig
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