Sergey Stelmakh is Head of Security Engineering based in San Francisco with seven years of focused industry experience and a deeper technical pedigree rooted in a Ph.D. in Mathematics. He has progressed from hands-on engineering and Android leadership to platform and security architecture roles at Symphony and MuleSoft, now leading security engineering at Yugabyte. Sergey blends rigorous academic discipline with practical product security, specializing in securing distributed systems and platform-level defenses for enterprise software. He is comfortable moving between code, architecture, and team leadership, having led back-end engineering and security teams as well as directed software projects. An uncommon strength is his academic background, which informs a methodical, research-minded approach to threat modeling and risk quantification rather than ad hoc mitigations.
7 years of coding experience
13 years of employment as a software developer
Ph.D Mathematics, Ph.D Mathematics at Belarusian State University
Xml digital signature and encryption library for Node.js
Contributions:2 pushes in 1 day
cryptographynode-jssignaturejavascriptxml
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