Kun Ren
Chief Scientific Officer at Shanghai JiuSi Technologies, Co., Ltd.
Shanghai, Shanghai, China
Summary
🤩
Rockstar🎓
Top SchoolKun Ren is a Chief Scientific Officer with 12 years of experience building quantitative research frameworks, tooling, and portfolio optimization for hedge funds. Based in Shanghai, he blends finance expertise (M.A. in Finance) with hands-on engineering, having served as a senior investment manager before moving into scientific leadership. An active open-source maintainer and Microsoft MVP, he contributes substantial features to the popular vscode-R extension—improving data viewers, R Markdown support, and UI—and strengthens R code quality through bug fixes and new linters in lintr. His work sits at the intersection of production research systems and developer tooling, making complex quantitative workflows more reproducible and usable. Kun is notable for shipping both algorithmic portfolio solutions and developer-facing integrations, a combination that accelerates research-to-production cycles.
12 years of coding experience
6 years of employment as a software developer
Master of Arts (M.A.) Finance, Master of Arts (M.A.) Finance at WISE, Xiamen UniversityBachelor of Arts (B.A.) Finance General, Bachelor of Arts (B.A.) Finance General at Xiamen University
Stackoverflow
4,833reputation
3.0mreached
20answers
57questions
r
top-5%
Github Skills (26)
r10
vscode-extension10
regular-expression10
code-analysis10
lint10
linter10
rmarkdown10
linting10
testing9
javascript9
typescripts8
xml8
html8
typescript-types8
typescript8
Programming languages (21)
Github contributions (5)
REditorSupport/vscode-R
Sep 2019 - Jan 2023
R Extension for Visual Studio Code
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:474 reviews, 476 commits, 388 PRs in 3 years 4 months
Contributions summary:Kun primarily contributed to the development of the R extension for VS Code. They implemented features related to data viewing, including creating interactive tables and JSON viewers. The user also made enhancements to the user interface and added support for R Markdown features by integrating code lens for running code chunks and implementing completion for chunk options. The user also fixed a number of bugs within the codebase.
visual-studiovisual-studio-codegitignorevscodevscode-extension
r-lib/lintr
Mar 2020 - Jun 2022
Static Code Analysis for R
Role in this project:Back-end Developer / Linter Developer
Back-end Developer / Linter DeveloperContributions:38 reviews, 53 commits, 32 PRs in 2 years 3 months
Contributions summary:Kun primarily contributes to the `lintr` project by fixing bugs and adding new linters. Their work includes addressing typos and incorrect handling in existing linters, notably `unneeded_concatenation_linter` and `fix_eq_assigns`. They also actively introduced new linting functionality, such as the `namespace_linter`, `missing_package_linter`, and `sprintf_linter`, demonstrating a focus on expanding the project's code analysis capabilities. Furthermore, the user demonstrates expertise in enhancing the reliability of linting and resolving parsing errors.
linterstatic-code-analysiscode-analysisr
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