Olcay Karaduman
Software Engineer at bol.com
Randstad, Netherlands
Summary
👤
Senior🎓
Top SchoolOlcay Karaduman is a seasoned software engineer with nine years of experience building data-intensive, production-grade systems across startups and large enterprises. Currently at bol.com, he brings deep backend and infrastructure expertise in Java, Kotlin, Scala, JavaScript and cloud-native tooling, having implemented Kafka Streams, Cassandra, Redis, Kubernetes and Terraform in previous roles. He has a strong track record delivering payment, security and real-time tracking features for high-traffic e-commerce platforms and helped migrate complex legacy systems to Spring Boot and AWS. Comfortable across the full stack, he has also contributed to React/React Native frontends and built NodeJS analytics services from scratch. A self-taught developer with a formal degree from Bilkent University, Olcay stands out for repeatedly taking early-employee roles to design architectures and CI/CD pipelines that scale. Based in the Randstad, he combines pragmatic engineering with a hunger for learning and tackling hard distributed systems problems.
10 years of coding experience
5 years of employment as a software developer
Bachelor’s Degree, Computer Technology & Information Systems, Bachelor’s Degree, Computer Technology & Information Systems at Bilkent Üniversitesi
Turkish, English
Stackoverflow
39reputation
3kreached
1answer
1question
Github Skills (37)
react-native-app10
firestore10
react-native9
react-hooks9
javascript9
push-notifications9
crashlytics9
open-source9
storage9
remote-config9
android9
react9
database9
auth9
firebase9
Programming languages (4)
Github contributions (5)
olckara/olckara
Jul 2020 - Apr 2026
Contributions:7 pushes, 1 branch in 5 years 9 months
olckara/resume
Jul 2020 - Dec 2024
Contributions:22 pushes, 1 branch in 4 years 5 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.