Yakup Kalafat
Principal Site Reliability Engineer at Hirehoot
Ankara, Ankara, Türkiye Turkey
Summary
🤩
Rockstar🎓
Top SchoolYakup Kalafat is a Principal Site Reliability Engineer based in Ankara with 9 years of experience building and operating resilient, scalable systems across startups and enterprise teams. He has progressed from hands-on software engineering to technical leadership roles—most recently at sahibinden.com and as Solutions Architect at Hirehoot—bringing practical SRE, backend, and team-management expertise. Yakup’s background includes leading engineering teams at OPLOG and Bilişim, and contributing to backend-focused open-source work such as Sidekick, where he implemented phone-home metrics, webhook integrations, and broker functionality. He combines a systems-thinking approach to reliability with a track record of shipping observability and automation features that improve operational visibility. Known for turning operational needs into code and scheduled workflows, he balances strategic architecture with day-to-day incident reduction.
9 years of coding experience
14 years of employment as a software developer
Görele Halil Gürel Anadolu LisesiBachelor's degree, Computer Engineering, Bachelor's degree, Computer Engineering at Hacettepe Üniversitesi
English
Github Skills (12)
javas10
java10
spring-boot10
api-design9
restful-api9
webhooks9
logging9
rest-api9
api-rest9
debug8
debugging8
monitoring8
Programming languages (3)
Github contributions (5)
runsidekick/sidekick
Aug 2022 - Jan 2023
Sidekick is no longer in service
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 reviews, 31 commits, 28 PRs in 4 months
Contributions summary:Yakup primarily focused on implementing and modifying back-end services related to phone-home metrics and broker functionality. They added features for server statistics collection and reporting, integrating scheduled tasks for data transmission. The user also worked on enabling new webhook integrations and adding support for various webhook identifiers. They also addressed bug fixes to improve client response handling and event history support.
devloggingchrome-devchromedebugging
runsidekick/sidekick-demo-todo-app-java
Feb 2022 - Nov 2022
Contributions:3 reviews, 10 commits, 8 PRs in 9 months
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