Jeff Sylvan
Principal Software Engineer at CarGurus
Greater Boston United States
Summary
👤
Senior🎓
Top SchoolJeff Sylvan is a Principal Software Engineer with 13 years of experience building scalable, reliable, and secure systems across startups, enterprise, and the US military. He has led major modernizations—rearchitecting monoliths into cloud microservices, creating continuous delivery pipelines, and driving company-wide training that boosted productivity for hundreds of engineers. His background spans real-time multiplayer game engines he built as a founder to high-throughput enterprise tax and banking systems at Cimpress, HubSpot, First Republic, and CarGurus, showing rare fluency from low-latency game networks to regulatory-grade financial software. Known for optimizing team efficiency as much as technical design, he repeatedly reduces operational costs and time-to-market while mentoring junior engineers into ownership roles. Based in Greater Boston, he combines hands-on engineering with practical leadership and a track record of turning complex legacy systems into maintainable, high-performance platforms.
13 years of coding experience
21 years of employment as a software developer
Bachelors Computer Science, Bachelors Computer Science at University of HartfordStart Smart, Start Smart at MIT Enterprise Forum
Github Skills (2)
chatbot7
anthropic3
Programming languages (1)
Github contributions (5)
jsylvan/AlteilApiExamples
Apr 2013 - Jun 2013
Contributions:13 commits in 2 months
jsylvan/research-agent
Dec 2024 - Dec 2024
Contributions:1 branch in 1 day
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