About Me
Hi, I'm Roman Čerešňák, a passionate Cloud Solutions Architect and DevOps Engineer specializing in AWS, Azure, and multi-cloud infrastructure. With over 8 years of experience in cloud technologies, I help organizations transform their infrastructure and accelerate their digital transformation journey.
I hold 14 AWS certifications including the prestigious AWS Golden Jacket, along with 5 Azure and 5 Oracle Cloud Infrastructure certifications. My expertise spans cloud architecture, infrastructure automation, security, and AI/ML integration.
Through this blog, I share my knowledge and experiences building scalable, secure, and cost-effective cloud solutions. I cover topics ranging from serverless architectures and Infrastructure as Code to DevOps practices and emerging technologies like GenAI.
Achievements
- 🏆 Slovakia's #1 AWS Cloud Architect — Recognized by CloudExperts
- 🎖️ 14x AWS Certified — AWS Golden Jacket Holder
- ☁️ 5x Azure Certified — Including Azure Solutions Architect Expert
- ☁️ 5x Oracle Cloud Certified — OCI Architecture & AI Specialist
- 🔐 Security Certified — AWS Security Specialty & CKA/CKAD
Core Expertise
Education
Ph.D. in Information Technology (2018-2021)
Faculty of Management Science and Informatics, University of Žilina
Specialization: Database migration mechanisms and NoSQL optimization
Master's Degree in Information Technology (2016-2018)
University of Žilina