Çalgan Aygün is a Warsaw-based DevOps Lead at FinalCheck. As a Google Developer Expert (GDE) on Google Cloud, he focuses on building scalable, robust infrastructure. His professional background spans fintech, data analytics, OSINT and cyber security.

An active public speaker and former community organizer, he remains deeply involved in the tech ecosystem.

He also provides independent consultancy services for AI and DevSecOps. Outside of his professional focus, he is a dedicated ham radio enthusiast and amateur photographer.