Ian Turner is a software engineer with seven years of focused experience building reliable back-end systems and contributing to open-source tooling. His career spans quantitative and infrastructure-heavy environments including Jane Street and PDT Partners, where he blended rigorous engineering discipline with production-scale problem solving. Ian has hands-on experience in data engineering and storage systems dating back to roles at Living Goods and Zmanda, and deep Unix systems expertise from D. E. Shaw. He contributes to notable open-source projects such as schibsted/jslt, improving date/time handling and numeric parsing—practical fixes that reduce subtle cross-timezone bugs. Based in the Los Angeles area, he combines a practical, detail-oriented approach with an inclination for improving developer-facing libraries. He also solicits anonymous feedback publicly, reflecting a commitment to continuous improvement and openness to critique.
7 years of coding experience
15 years of employment as a software developer
University of California Santa Cruz
Github Skills (10)
javas10
json10
jackson10
java10
sql-query9
date-format8
datetime-format8
date-formatter8
gradle8
gradlew8
Programming languages (12)
TypeScriptJavaDockerfileC++RustCSpline Font DatabaseJavaScript
Contributions:7 commits, 6 PRs, 13 comments in 21 days
Contributions summary:Ian primarily focused on improving the `jslt` library's functionality, particularly around date/time handling and number parsing. They fixed a bug related to time zone calculations and milliseconds. They also updated the library's implementation of the `number()` function to utilize Jackson for number parsing, addressing limitations in the previous approach. Additionally, the user upgraded the Gradle wrapper.
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