Ryan Chang
Member Of Technical Staff at PayPal
Singapore
Summary
🤩
Rockstar🎓
Top SchoolRyan Chang is a pragmatic full-stack engineer with 11 years’ experience building reliable, production-grade systems across fintech and SaaS, now contributing at PayPal from Singapore. He has driven microservice migrations and resilient API design at Intuit, containerized and orchestrated cloud workloads, and improved inventory and billing systems at TradeGecko. A Rubyist who also contributes to well-known OSS like ASP.NET Boilerplate and TEAMMATES, he’s improved event bus async handling and polished student-facing UI flows—showing comfort across backend event infrastructure and frontend usability. His background in mechatronics and campus-safety IoT projects informs a systems-minded approach to performance and energy-efficient protocols. Known for pragmatic design and an emphasis on data integrity, he pairs hands-on coding with orchestration patterns like Saga and anti-corruption layers to manage complex migrations.
11 years of coding experience
9 years of employment as a software developer
Diploma Mechatronic Engineering, Diploma Mechatronic Engineering at Nanyang PolytechnicHigh School Science Stream, High School Science Stream at Foon Yew High School 宽柔中学Bachelor's Degree Computer Science, Bachelor's Degree Computer Science at National University of Singapore
English, Chinese
Stackoverflow
264reputation
9kreached
19answers
0questions
Github Skills (35)
asynchronous10
javascript10
async10
net10
dotnet10
asp-net-core10
tooltip10
asp-net10
front-end-development10
dotnet-core10
csharp10
tooltips10
cprogramming-language10
authentication9
user-interface9
Programming languages (10)
Github contributions (5)
aspnetboilerplate/aspnetboilerplate
May 2017 - Dec 2020
ASP.NET Boilerplate - Web Application Framework
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 review, 296 commits, 123 PRs in 3 years 7 months
Contributions summary:Ryan primarily contributed to the framework's event bus implementation. Their commits fixed an assertion related to event handling, corrected a parameter name, and added and refactored asynchronous event handler implementations. They also made significant changes to the EventBus class, including adding methods for registering and unregistering both synchronous and asynchronous event handlers, indicating a focus on improving the event handling infrastructure.
web-applicationwcfc-sharpnlayer-architecturedomain-driven-design
aspnetboilerplate/module-zero-core-template
Jul 2017 - Sep 2020
ASP.NET Core MVC / Angular Startup Project For ASP.NET Boilerplate
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:29 commits, 26 PRs, 3 pushes in 3 years 2 months
Contributions summary:Ryan primarily contributed to bug fixes and minor enhancements across the ASP.NET Boilerplate module. They fixed issues with user authentication, registration, and swagger configuration. They also made changes to the front-end code, including modifications to the Javascript files and layout views. Additionally, the user updated NuGet packages and addressed localization issues.
angularmvc
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