Peter Mularien
Distinguished Software Engineer at Circle
Manchester, New Hampshire, United States
Summary
👤
Senior🎓
Top SchoolPeter Mularien is a distinguished software engineer and security-focused technical leader with 15 years of experience designing and securing large-scale enterprise and SaaS systems. He has led architecture and resiliency initiatives at UKG and Kronos, set ML and platform strategy at Fidelity, and recently served as Meta's Security Engineer Technical Lead before founding Nightcrawler Security to provide secure architecture and ethical hacking services. Now at Circle, he combines hands-on vulnerability research and source-code analysis with executive-level architecture governance to harden internet-scale products. Peter is also the author of a foundational Spring Security book, reflecting deep practical expertise in secure application design that blends research rigor with production-grade implementation.
15 years of coding experience
25 years of employment as a software developer
BS, Computer Science, BS, Computer Science at University of Massachusetts Amherst
Stackoverflow
2,608reputation
391kreached
48answers
7questions
spring-security
top-5%
Github Skills (42)
spring-security9
scoverage8
maven6
windows-authentication6
api6
single-sign-on6
sourcemaps6
spring6
python6
financial-data6
java6
pandas6
truststore6
keystore6
gpytorch5
Programming languages (4)
Github contributions (5)
pmularien/springsecuritybook
May 2011 - Sep 2011
Contributions:3 commits in 3 months
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