Summary
Karol Dowbecki is a Senior Lead Software Engineer based in London with over a decade of hands-on experience building high-throughput distributed systems for finance and payments. He has led backend platform initiatives at JPMorgan Chase that modernised deployment architecture, cut network errors by 70%, and enabled Java 17/Spring Boot 3 and Helm 3 adoption across teams. His background includes designing FX clearing and balances microservices at Wise that handled thousands of events per second, plus performance-critical trading and data-ingestion systems earlier in his career. Comfortable across cloud-native stacks (Kubernetes, Docker, AWS, Terraform) and streaming platforms (Kafka), he combines deep Java expertise with infrastructure and CI/CD pragmatism. A seasoned interviewer and mentor, he’s evaluated over 100 candidates internationally and consistently drives reliability and scalability improvements that are as operationally impactful as they are technical.
11 years of coding experience
8 years of employment as a software developer
Master of Science - MS Computer Science, Master of Science - MS Computer Science at Military University of Technology
Polish, English