Jumar Macato
Software Engineer at Avalonia UI
Metro Manila, Philippines
Summary
🤩
Rockstar🎓
Top SchoolJumar Macato is a software engineer with a decade of experience, based in Metro Manila, specializing in UI engineering and back-end refactoring for open-source projects. He is an active core maintainer and contributor to Avalonia UI, driving front-end improvements like animations, context menus, and custom controls that enhance multi-platform .NET desktop experiences. His work on WalletWasabi demonstrates back-end discipline—refactoring assets and transaction handling in a privacy-focused Bitcoin wallet used across Windows, Linux, and macOS. Jumar blends hands-on C# and XAML expertise with pragmatic codebase improvements, able to move between UX polish and service-level changes. He holds an engineering degree in Electrical, Electronics, and Communications, bringing hardware-aware rigor to software design. Colleagues would describe him as a steady maintainer who quietly ships thoughtful UI details and robust integrations in high-profile open-source ecosystems.
9 years of coding experience
4 years of employment as a software developer
Bachelor of Engineering - BE Electrical Electronics and Communications Engineering, Bachelor of Engineering - BE Electrical Electronics and Communications Engineering at Mapúa University
Github Skills (17)
xaml10
net10
dotnet10
ui-design10
asp-net10
uid10
front-end-development10
dotnet-core10
csharp10
cprogramming-language10
avalonia10
refactoring9
version-control8
blockchain8
git8
Programming languages (11)
Github contributions (5)
WalletWasabi/WalletWasabi
Jun 2019 - Jan 2023
Open-source, non-custodial, privacy preserving Bitcoin wallet for Windows, Linux, and Mac.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:276 reviews, 1350 commits, 250 PRs in 3 years 7 months
Contributions summary:Jumar's contributions focused on refactoring the codebase by moving text resources into an Assets folder and loading them using the asset loader. The user also integrated a master branch into an embed-notices-as-assets branch, indicating code merging. Further, the user made updates to a `WalletService.cs` file with changes for unconfirmed transactions and modifications to various view models.
walletwasabinbitcoincoinbitcoin-wallet
AvaloniaUI/Avalonia
Mar 2018 - Jan 2023
Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The most popular .NET UI client technology
Role in this project:Front-end Developer
Front-end DeveloperContributions:262 reviews, 1486 commits, 514 PRs in 4 years 11 months
Contributions summary:Jumar primarily focused on enhancing the user interface and implementing various UI components within the Avalonia framework, as demonstrated by their work on features such as context menus, calendar date pickers, and styling. The user contributed to the UI by applying design changes to button animations, and implementing a slide-in animation for the flyouts. This involved direct interaction with UI elements and potentially some XAML styling or theming aspects.
c-sharpiosmobileuwpavaloniaui
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