# Sergey Lipin

> Software Developer

Location: Walnut Creek, California, United States
Profile: https://flows.cv/sergeylipin

• Strong proficiency in C/C++, Golang, C#
• In-depth knowledge of Windows internals (authentication, registry, services, hooks, drivers, etc.)
• Experience with Windows security architecture
• Familiarity with Active Directory, Kerberos, OIDC, biometrics, and enterprise authentication mechanisms.

## Work Experience
### Principal Software Engineer @ JumpCloud
Jan 2021 – Present

### Senior Principal Software Engineer @ HID Global
Jan 2006 – Jan 2021

### Senior Software Engineer @ Bioscrypt
Jan 2005 – Jan 2006

### Senior Software Engineer @ Cognizance Corporation
Jan 2003 – Jan 2005

### Software Development Engineer @ Identix Inc
Jan 1999 – Jan 2002

### Senior Software Engineer @ Sberbank
Jan 1995 – Jan 1999

### Software Engineer @ Plastpolymer
Jan 1993 – Jan 1995


## Education
### Masters in Applied Mathematics
Saint Petersburg State University

### None in Business Communications
Diablo Valley College


## Contact & Social
- LinkedIn: https://linkedin.com/in/sergeylipin

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Source: https://flows.cv/sergeylipin
JSON Resume: https://flows.cv/sergeylipin/resume.json
Last updated: 2026-04-12