René Zubčević
Mission Critical Engineer at Schuberg Philis
Randstad, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolRené Zubčević is a mission-critical engineer with 10+ years crafting resilient Java enterprise systems for banks, government agencies and high-stakes operations. He combines deep expertise in application architecture, deployment automation, performance tuning and security with hands-on experience across Java, Kotlin, Go, TypeScript and Python. As an independent consultant and recent contributor to OWASP WebGoat, he has improved Spring MVC testability and added Kubernetes/cloud deployment lessons—demonstrating a practical focus on secure, testable platforms. René has led CI/CD and platform initiatives for large organisations (Politie, Rabobank, ING, ASN), often driving compliance-minded automation and developer enablement. He’s equally comfortable tuning middleware for peak performance and designing cloud-native delivery pipelines, and has a long-standing interest in PSD2, instant payments, blockchain and IoT.
10 years of coding experience
30 years of employment as a software developer
ir, Electrical Engineering - Telecommunications, ir, Electrical Engineering - Telecommunications at Eindhoven University of TechnologyChristelijk Gymnasium
English, Dutch, German
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (12)
unit-testing10
javas10
spring-mvc10
java10
api-design9
restful-api9
webapp9
web-application9
rest-api9
web-development9
api-rest9
ejb6
Programming languages (6)
Github contributions (5)
WebGoat/WebGoat
Mar 2019 - Sep 2022
WebGoat is a deliberately insecure application
Role in this project:
Back-end Developer
Back-end DeveloperContributions:69 reviews, 150 commits, 395 PRs in 3 years 6 months
Contributions summary:René primarily focused on improving the Spring MVC configuration, removing unnecessary interceptors and adding new ones. They also made changes to fix unit tests, particularly related to locale handling and dynamic port usage. Additionally, the user made adjustments to the flag and test cases.
webgoat
zubcevic/WebGoat
Mar 2019 - Nov 2023
WebGoat 8.0
Contributions:24 PRs, 98 pushes, 31 branches in 4 years 9 months
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