Barclays Capital — Modernization of Trading Data Systems
Modernization of a critical system processing live trading and collateral data. I upgraded and extended several data‑transformation modules, migrated them to a new integration platform, and delivered a secure AWS EC2 implementation for hybrid on‑prem/cloud processing.
Commerzbank — Regulatory Reporting Platform
Three years of developing a regulatory reporting platform for one of Europe’s major banks. Part of a 30‑member international team, responsible for backend components, code quality and daily collaboration with the headquarters abroad. Worked across 8+ front‑office systems, 6+ regulatory frameworks and 10+ financial instruments, ensuring compliance and stability at scale.