Marek Isalski is a seasoned CTO and systems architect with 11+ years building reliable, secure internet infrastructure and mission-critical networks for public, private and healthcare sectors. A Cambridge-educated engineer, he combines deep hands-on expertise in BGP/OSPF, Linux, MikroTik/VyOS, FRR, PKI and HA server/network design with practical security operations like vulnerability assessment and incident management. As founder/CTO of FAELIX he delivers turnkey hosting, server administration and software projects that reflect customers’ real-world dependence on resilient connectivity. His NHS background in information confidentiality and crisis response gives him uncommon experience marrying strict data protection needs with robust network engineering. He balances low-level networking knowledge with software development and long-term operational stewardship, often working across both infrastructure and code to close the reliability gap.
11 years of coding experience
5 years of employment as a software developer
MA, Computer Science Tripos, MA, Computer Science Tripos at University of Cambridge
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.