Mustafa Tekir
Staff Software Engineer at Personio
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolMustafa Tekir is a Staff Software Engineer based in Berlin with a decade of experience building cloud-native, highly available systems used by millions. He specializes in scalable backend architectures using Java/Kotlin, Spring Boot, Kafka, Redis and PostgreSQL, and has deep hands‑on experience deploying on AWS and GCP. At Personio he now focuses on identity and authentication at scale, after technical leadership roles at Wayfair and Klarna where he shipped resilient payment and commerce services. Mustafa combines strong testing discipline (JUnit/Mockito/AssertJ) with infrastructure-as-code practices (CloudFormation, CI/CD) to reduce operational risk. He is comfortable across the full stack—from API and data-layer design to client-side React/TypeScript—and has repeatedly moved teams from prototype to production. Colleagues rely on him for pragmatic, scalable solutions to thorny performance and availability challenges.
10 years of coding experience
10 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Yıldız Teknik Üniversitesi
Turkish, İngilizce
Stackoverflow
107reputation
4kreached
8answers
0questions
Github Skills (25)
client-library10
php-library10
fintech9
php8
java8
tomcat6
google-play6
apk6
android6
rest6
java-time6
spring-mvc6
spring6
apache-kafka5
npm4
Programming languages (6)
Github contributions (5)
berilacburrows/Data_Structures-Veri_Yapilari
Apr 2016 - Nov 2016
Contributions:2 pushes, 2 branches in 6 months
mustafacantekir/Brick_Breaker
Apr 2016 - Apr 2016
Contributions:4 commits, 2 pushes, 1 branch in 1 day
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