Summary
Eugene Pilyankevich is a Chief Technology Officer with 11 years of experience designing and delivering high-assurance systems for customers with elevated security and resilience needs. Based in Kyiv, he leads Cossack Labs where he shapes technical vision and teams to solve bespoke security challenges ranging from novel cryptographic R&D to specialized hardware for critical infrastructure, defense, finance, and healthcare. He also advises startups and engineering teams at myGaru and Rocke.Tech, vetting architectures for high-performance, high-availability, and security-sensitive projects. Known for enjoying hard puzzles, Eugene combines pragmatic engineering with bold technical imagination to turn unusual threat models into deployable, auditable solutions. Beyond leadership, he’s consistently involved in hands-on technical review and design, bridging product requirements with rigorous security engineering.
11 years of coding experience
English, Russian, Ukrainian