Justin Yoo
Principal Developer Advocate
Seoul, South Korea
Summary
🤩
Rockstar🎓
Top SchoolJustin Yoo is a Principal Developer Advocate and cloud architect with 14+ years of hands-on experience building Azure-native solutions, DevOps/SRE practices, and .NET back-ends across industries from telecom and BI to education and public service. A double-awarded Microsoft MVP and Umbraco-certified developer, he combines deep open-source contributions—such as foundational work on an Azure Functions OpenAPI extension—with practitioner empathy gained from running a consultancy (Aliencube) and a long-running technical blog (Dev Kimchi). At Microsoft he accelerates developer velocity around cloud and AI tooling, captures community feedback for engineering teams, and drives content and events that solve real-world developer pain points. Fluent across SDLCs and both front- and back-end stacks, he’s known for tackling thorny integration and migration challenges and for translating complex cloud patterns into practical guidance.
14 years of coding experience
10 years of employment as a software developer
Bachelor, Science, Education, Bachelor, Science, Education at Seoul National UniversityMaster, Information Management and Systems, Master, Information Management and Systems at Monash University
English, Korean
Github Skills (9)
net10
asp-net10
json10
azure-functions10
dotnet10
swagger-ui10
csharp10
openapi10
dotnet-core10
Programming languages (19)
Github contributions (5)
Azure/azure-functions-openapi-extension
Aug 2020 - Jan 2023
This extension provides an Azure Functions app with Open API capability for better discoverability to consuming parties
Role in this project:
Back-end Developer
Back-end DeveloperContributions:22 releases, 256 reviews, 290 commits in 2 years 5 months
Contributions summary:Justin's initial commit introduces core code that establishes the foundation for an Azure Functions Open API extension. The user implemented several methods to interact with the type extensions. These methods provide the base functionality for generating openAPI specifications that work with various data types. The user modified files for the CLI project for the open API extension.
apiazure-functionspartiespower-platformcapability
aliencube/GitHub-API-Cache
Jun 2014 - Jul 2014
Contributions:79 commits in 21 days
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.