Jonathan Yu
Software Engineer at Palantir Technologies
Palo Alto, California, United States
Summary
👤
Senior🎓
Top SchoolJonathan Yu is a seasoned backend software engineer with over a decade of experience building infrastructure and distributed systems, currently leading Skylab at Palantir to simplify and harden service deployment and management. He joined Skylab as its first engineer and progressed from lead developer to technical lead over four years, blending hands-on coding with long-term architectural ownership. His open-source contributions include substantive fixes and feature work on a native Go logging library (seelog), improving rolling file writers, compression and archive handling to make production logging safer and more memory-efficient. Early internships at Facebook, ITA Software, and Fidelity reflect a consistent focus on monitoring, post-mortem analysis, and robust data workflows. Based in Palo Alto with a CS degree from Carnegie Mellon, he combines production-scale systems expertise with a pragmatic attention to operational reliability.
11 years of coding experience
1 year of employment as a software developer
BS, Computer Science, BS, Computer Science at Carnegie Mellon University
Github Skills (8)
file-handling10
compression10
logging10
go10
archiving9
archives9
archived9
testing8
Programming languages (7)
Github contributions (5)
cihub/seelog
May 2016 - Sep 2016
Seelog is a native Go logging library that provides flexible asynchronous dispatching, filtering, and formatting.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits, 4 PRs, 12 comments in 4 months
Contributions summary:Jonathan contributed to the core Go logging library, implementing features and fixing bugs related to file rolling and archive handling. They developed a logger cloning helper and refactored file writing logic to avoid buffering logs in memory. The user made modifications to the rolling file writer, addressing issues with file opening and date-based roll operations, along with adding rolling tracker. They also improved compression handling and integrated with different archive types.
golangdispatchingasynchronousloggernative-go
jonsyu1/gradle-baseline
Apr 2019 - Nov 2023
A set of Gradle plugins that configure default code quality tools for developers.
Contributions:1 push, 1 branch in 4 years 7 months
gradlegradle-pluginsfor-developerscode-qualityconfigure
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