Eriawan Kusumawardhono
.NET Software Development Lead (Backend Focused) at Avanade
Special capital Region of Jakarta, Indonesia
Summary
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Rockstar🎓
Top SchoolEriawan Kusumawardhono is an experienced application developer and Co-Owner at RX Communica with over a decade designing scalable enterprise systems and unifying heterogeneous databases. A longtime Microsoft community leader and multi‑MVP (Developer Technology, Visual Studio, Visual F#), he blends practical .NET expertise (C#, VB, F#) with functional and imperative mindsets to solve complex ALM and BPMN challenges using Azure DevOps and Git. He contributes to prominent open-source .NET projects including dotnet/runtime and winforms, focusing on runtime and System.Drawing improvements and careful refactors that keep libraries robust. As a pro bono DevOps trainer and active organizer in Microsoft User Group Indonesia and Azure DevOps Indonesia, he pairs hands‑on engineering with mentorship and community stewardship. Notably, his background spans niche language work (Haskell, F#) and pragmatic enterprise delivery, making him comfortable both in deep code cleanup and in shaping team processes.
11 years of coding experience
SMUN 16D3 Informatics, D3 Informatics at Sekolah Tinggi Teknik Surabaya
English, Indonesian, French
Stackoverflow
4,846reputation
873kreached
192answers
6questions
azure-devops
top-5%
visual-studio
top-5%
wpf
top-5%
migration
top-5%
Github Skills (29)
unit-testing10
draw10
testing10
net10
octokit-net10
dotnet10
drawing10
netframework10
windows-forms10
asp-net10
sys10
dotnet-core10
csharp10
debug9
debugging9
Programming languages (14)
Github contributions (5)
dotnet/runtime
Oct 2019 - Oct 2022
.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.
Role in this project:
Backend Developer
Backend DeveloperContributions:5 reviews, 7 commits, 4 PRs in 3 years 1 month
Contributions summary:Eriawan's contributions primarily involve modifying and updating .NET runtime code. They focused on refactoring code, specifically removing unused local variables and incorporating the use of discard in several files related to System.Data.Common and System.Data.OleDb. Furthermore, the user made changes to the System.Drawing.Common library, adding attributes to the PrintDocument class and updating the StreamReader constructors. The user's work focused on code cleanup and enhancing the .NET ecosystem's functionality.
dotnetruntimelinuxcsharpxamarin
dotnet/winforms
Oct 2019 - Dec 2021
Windows Forms is a .NET UI framework for building Windows desktop applications.
Role in this project:Back-end Developer / QA Engineer
Back-end Developer / QA EngineerContributions:5 reviews, 9 commits, 4 PRs in 2 years 2 months
Contributions summary:Eriawan primarily contributed to the System.Drawing.Common and System.Windows.Forms projects, making enhancements and fixing bugs. Their work involved refactoring code to utilize string interpolation, adding attributes to the PrintDocument class, and implementing/testing the HasErrors property in the ErrorProvider class. They also worked on migrating code, and updating dependencies.
dotnetuwpwindows-desktopwindowsui-framework
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