Douglas Winter
Sr. Mobile Developer (React Native)
Sassenheim, South Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolDouglas Winter is a senior mobile developer with 13 years in software engineering and over seven years focused on cross-platform mobile apps using React Native and Xamarin. He architects scalable, multilingual apps and CI/CD pipelines (Fastlane, Azure DevOps) and has led monorepo and automation efforts integrating Appium, SauceLabs and Robot frameworks. Comfortable across the stack, he pairs TypeScript, modern React (hooks, FP) and Redux Toolkit with a background in C#, MVVM and backend ASP.NET APIs. Douglas is a hands-on mentor who has stepped into Scrum Master and tooling ownership roles, driving reusable designs and test-first practices that achieved high code coverage in previous projects. Based in the Netherlands, he consistently ships store-published apps for thousands of users while prioritizing proactivity, self-learning and focus. An engineer who blends practical architecture with automation and testing expertise, he often surfaces improvements that increase delivery speed and reliability.
13 years of coding experience
13 years of employment as a software developer
Industrial Electronics Technology/Technician, Industrial Electronics Technology/Technician at Escola Técnica Estadual Monteiro Lobato (CIMOL)Bachelor's degree Information Systems, Bachelor's degree Information Systems at UnisinosBachelor's degree Information Systems, Bachelor's degree Information Systems at Fundação Educacional Encosta Inferior do Nordeste
Portuguese, English
Github Skills (117)
xamarin-mac10
tizen10
winforms10
xamarin-ios10
wpf10
mutable10
dotnet10
reactive-extensions10
functional-reactive-programming10
viewmodel10
readable10
xamarin-android10
mvvm10
xamarin-forms10
csharp10
Programming languages (5)
Github contributions (5)
anyellezanatta/recipe-book
Sep 2023 - Jun 2024
Contributions:23 reviews, 3 PRs, 6 pushes in 9 months
winterdouglas/cinelovers
Nov 2017 - Aug 2020
A cross-platform app using Xamarin.Forms to list upcoming movies and search for movies from The Movie Database (TMDb)
Contributions:58 commits, 12 PRs, 62 pushes in 2 years 9 months
app-platformmoviesreactiveuimvvmmovie-database
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