Joo Ro
Software Engineer at Citadel Securities
Chicago, Illinois, United States
Summary
🤩
Rockstar🎓
Top SchoolJoo Ro is a software engineer with 8 years of experience building scalable back-end systems, currently based in Chicago and working at Citadel Securities. Previously at Microsoft, Joo worked on the metadata microservice for Azure Data Lake Storage, helping manage exabytes of data in a hyperscale distributed file system. Their open-source contributions to high-profile Azure SDKs and Azure PowerShell focus on Data Lake Analytics and Data Lake Store, including code generation fixes, API maintenance, and test/playback improvements. Joo brings practical expertise in refactoring, release migrations, and automation for cloud-native developer tooling. Complementing a dual degree in Computer Engineering and Mathematics from the University of Virginia, they have hands-on experience designing algorithms (HSTS lookup implemented in IE/Edge) and teaching core CS concepts. Colleagues rely on Joo for durable, maintenance-minded code that keeps large distributed systems reliable at scale.
8 years of coding experience
2 years of employment as a software developer
Computer Engineering (BS) and Mathematics (BA), Computer Engineering (BS) and Mathematics (BA) at University of Virginia
Github Skills (17)
python10
apidoc10
azure-sdk10
net10
dotnet10
microsoft-azure10
asp-net10
code-generation10
api10
powershell10
azure10
csharp10
back-end-development9
automations8
test-automation8
Programming languages (7)
Github contributions (5)
Azure/azure-sdk-for-net
Aug 2017 - Feb 2018
This repository is for active development of the Azure SDK for .NET. For consumers of the SDK we recommend visiting our public developer docs at https://learn.microsoft.com/dotnet/azure/ or our versioned developer docs at https://azure.github.io/azure-sdk-for-net.
Role in this project:
Back-end Developer & Automation Engineer
Back-end Developer & Automation EngineerContributions:14 commits, 30 PRs, 1 push in 6 months
Contributions summary:Joo primarily contributed to the Azure SDK for .NET, with a focus on the Data Lake Analytics (ADLA) and Data Lake Store (ADLS) components. Their work involved code generation, refactoring objects, and fixing bugs related to the ADLA/ADLS management and catalog APIs. The user also updated and migrated specs and performed version updates to the SDK, indicating some involvement in the build process and release management.
dotnetversionedazure-functionssdkconsumers
Azure/azure-powershell
Jul 2017 - Jan 2018
Microsoft Azure PowerShell
Role in this project:Back-end Developer
Back-end DeveloperContributions:80 commits, 11 PRs, 28 comments in 6 months
Contributions summary:Joo primarily contributed to the Azure PowerShell module, focusing on improving the DataLakeAnalytics and DataLakeStore functionalities. They fixed issues, such as reverting changes related to the DataLakeStore, and updated objects and parameter handling, including the addition of script parameters and alias. The user also made revisions to unit tests and made code refactoring for clarity.
microsoft-azure-powershellpowershellmicrosoft-azuremicrosoftazure
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