A Köken
Sr. Staff Software Engineer, Senior Manager at OBSS
Istanbul, Istanbul, Turkey
Summary
👤
Senior🎓
Top SchoolA Köken is a Sr. Staff Software Engineer and senior manager based in Istanbul with 12 years of experience building high-performance, production-grade systems that blend pragmatic engineering and applied AI. He leads and mentors cross-functional teams at OBSS, driving architecture, DevOps tooling, and scalable CI/CD platforms on RHEL with Kubernetes, Argo CD, GitLab, SonarQube, and Elastic Stack. Practically minded and detail-oriented, he champions the “3P” philosophy—Precision, Performance, Practicality—while reducing complexity and shaping engineering culture. Recently he architected an on-prem RAG chatbot platform using open-source LLMs, llama.cpp, Qdrant and .NET, and also led company-wide adoption of GitHub Copilot with standards and training. An active contributor to MSBuild optimizations, he brings hands-on refactoring and reliability work to large codebases as well as strategic technical leadership.
12 years of coding experience
9 years of employment as a software developer
Bachelor of Science (BS), Computer Engineering, Bachelor of Science (BS), Computer Engineering at Kocaeli Üniversitesi
Github Skills (9)
net10
asp-net10
code-optimization10
dotnet10
csharp10
msbuild10
build-automation10
dotnet-core10
unit-testing9
Programming languages (7)
Github contributions (5)
dotnet/msbuild
Mar 2015 - Jul 2016
The Microsoft Build Engine (MSBuild) is the build platform for .NET and Visual Studio.
Role in this project:
Backend Developer
Backend DeveloperContributions:6 commits, 4 PRs, 5 comments in 1 year 4 months
Contributions summary:A primarily focused on code optimization and refactoring within the MSBuild codebase. Their contributions include removing redundant conditional expressions, unreachable code, and unnecessary comments. Additionally, the user addressed a bug related to the handling of temporary file paths, and modified an identical unit test to ensure its uniqueness, thus improving code quality and maintainability within the build engine.
dotnetbuild-enginesqfmsbuildcsharp
akoken/Jirabox
May 2014 - Aug 2016
Contributions:119 commits, 2 PRs, 11 pushes in 2 years 3 months
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