Greg Stoll is a Senior Staff Software Engineer in Austin with 20 years building high-performance systems in C#, C++, Python, and JavaScript, and hands-on experience with Rust and TypeScript. He has driven significant optimizations—turning a C++ data engine into a 50x faster system through parallelization, allocation reduction, and finer-grained locking—and led cross-team transitions to new C# codebases. At Mozilla he contributed to Firefox’s content analysis and clipboard handling, integrating DLP agents and fixing subtle thread-safety and iframe URL issues in a widely used open-source project. Greg combines deep systems and backend expertise with practical product instincts, having worked across compilers, device control via gRPC, and large .NET interfaces. He publishes personal projects at gregstoll.com and has a proven track record of accelerating legacy systems while mentoring teams to adopt safer, more concurrent designs.
20 years of coding experience
22 years of employment as a software developer
Bachelor of Science (BS), Computer Science, Bachelor of Science (BS), Computer Science at Rice University
Read-only Git mirror of the Mercurial gecko repositories at https://hg.mozilla.org. How to contribute: https://firefox-source-docs.mozilla.org/contributing/contribution_quickref.html
Role in this project:
Back-end Developer
Contributions:79 commits in 3 months
Contributions summary:Greg contributed to the content analysis system within the Firefox browser. Their work involved implementing clipboard content analysis, including handling paste operations and integrating with the DLP agent. They addressed bug fixes related to thread safety and the processing of various clipboard formats. Furthermore, the user was also responsible for ensuring the correct URL was passed to content analysis for iframes and the incorporation of custom data to the agent.
Contributions:15 PRs, 126 pushes, 16 branches in 4 years 5 months
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