Sergei Khabibullin
Senior .NET C Engineer at Constructor
Barcelona, Catalonia, Spain
Summary
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Rockstar🎓
Top SchoolSergei Khabibullin is a Senior .NET/C# engineer with 12 years of experience building backend systems, database architectures and cloud-native infrastructure from Barcelona. He combines deep expertise in PostgreSQL, indexing and query optimization with hands-on experience in Kafka event streaming, Redis caching and observability tooling (OpenTelemetry, Grafana, Prometheus). Comfortable across the full stack, he pairs .NET backend mastery with frontend exposure (React, Vue) and familiarity with Rust, Go and Java. Sergei has driven migrations (SQL Server to PostgreSQL), high-load mobile backend integrations and CI/CD/Kubernetes deployments, and his open-source contributions include performance-focused fixes to the MonoDevelop NUnit addin. Pragmatic and data-driven, he thrives in autonomous Agile teams where he shapes architecture, reviews code and turns complex requirements into reliable production services.
12 years of coding experience
7 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Moscow Technological Institute
English, Russian, Spanish
Stackoverflow
2,816reputation
121kreached
8answers
28questions
Github Skills (14)
net10
nunit10
asp-net10
ide10
dotnet10
binary-serialization10
csharp10
xml-serialization9
kotlin6
datetime6
generics6
mono6
extension-methods6
monodevelop6
Programming languages (8)
Github contributions (5)
mono/monodevelop
Mar 2014 - Apr 2014
MonoDevelop is a cross platform .NET IDE
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 commits, 1 PR in 7 days
Contributions summary:Sergei primarily contributed to the MonoDevelop IDE, specifically focusing on the NUnit addin. Their work involved fixing bugs related to test case handling and improving the test result storage mechanism. This included modifications to the `NUnitTestRunner.cs` and the implementation of a binary results store to improve performance. Furthermore, the user fixed issues related to XML serialization within the NUnit addin.
dotnetrevit-apimonomonodevelopcsharp
egramtel/egram.tel
Apr 2018 - May 2019
Crossplatform Telegram client
Contributions:9 releases, 210 commits, 12 PRs in 1 year
telegram-botavaloniaavaloniauitelegramdotnetcore
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