Oleg Demchenko
Senior Software Engineer at The Trade Desk
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top School
Top expert inXamarin and .NET MAUI Development
Oleg Demchenko is a Senior Software Engineer in San Francisco with 12+ years building developer tools, ML-powered cloud platforms, and cross-platform mobile tooling. He has driven full-stack engineering at Microsoft (Codespaces, Live Share, Azure DevBox) and now The Trade Desk, regularly tackling auth, security, CI/CD and Kubernetes migrations. Oleg’s background at Xamarin and extensive open-source contributions to projects like fastlane, MonoDevelop and Xamarin samples show deep practical expertise in iOS/macOS tooling, build automation and platform integration. He has a track record of shipping developer-facing features—such as an automated iOS certificate/provisioning system and a Windows iOS signing tool—that removed major customer pain points and influenced industry acquisitions. Comfortable across backend services, mobile platforms, and release engineering, he blends systems thinking with hands-on refactoring and UX improvements. His training in applied mathematics/AI and recent data science coursework at Harvard/Stanford underpin a data-informed approach to product and platform decisions.
12 years of coding experience
11 years of employment as a software developer
Университет "Синергия"Graduate Certificate Data Science, Graduate Certificate Data Science at Harvard UniversityMaster's degree Applied Mathematics and Artificial Intelligence, Master's degree Applied Mathematics and Artificial Intelligence at Higher School of EconomicsStanford Continuing Studies
Russian, Hebrew, English
Github Skills (44)
audiotoolbox10
objective-c10
ios10
foundation10
net10
ide10
xamarin10
dotnet10
android-sdk10
fastlane10
ui-design10
xamarin-ios10
interface-design10
appkit10
cicd10
Programming languages (11)
Github contributions (5)
xamarin/ios-samples
Dec 2013 - Jan 2017
Xamarin.iOS sample apps
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:566 commits, 72 PRs, 297 pushes in 3 years 2 months
Contributions summary:Oleg contributed to bug fixes and feature implementation for the Xamarin.iOS sample apps. Their commits focused on fixing issues in various UI components, including touch handling, gesture recognizers, and layout-related problems. Furthermore, the user was involved in improving the performance and usability of the code by updating build targets and refactoring the sample apps.
ios-samplesample-appstvosxamarin-ioswatchkit
xamarin/mac-samples
Jan 2014 - Mar 2017
Sample programs showing how to use Xamarin.Mac on OSX.
Role in this project:Front-end Developer
Front-end DeveloperContributions:194 commits, 17 PRs, 100 pushes in 3 years 2 months
Contributions summary:Oleg added a new solution for the `CoreWLANWirelessManager` sample program, creating new project files and an initial `AppDelegate`. They also added the `MainWindow` and `MainWindowController` along with the corresponding .designer files. This involved setting up the basic structure of the app's user interface, integrating with `CoreWLAN` framework to work with macOS, and implementing core elements for interacting with the OS X UI.
xamarin
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